Knowledge (XXG)

Mixosaurus

Source ๐Ÿ“

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of later ichthyosaurs. The jaws were narrow, with several sharp teeth, that would have been ideal for catching fish. They had relatively large skulls compared to their bodies, unlike the basal ichthyosaurs, but resembled fish-shaped ichthyosaurs that appeared later. They had around 50 vertebrae in front of the pelvic girdle, around twice as many as terrestrial
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for stability in the water. The paddle-like limbs were made up of five toes each, unlike the three toes found in later Ichthyosaurs. Noteworthy, however, is that each toe had more individual bones than is usual in reptiles, and the front limbs were longer than the back limbs, both adaptations typical
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was a small ichthyosaur, measuring 73โ€“100 cm (2.40โ€“3.28 ft) long and weighing 2.2โ€“5.7 kg (4.9โ€“12.6 lb). The largest specimens would have measured over 2 m (6.6 ft) in length. It possessed a long tail with a low fin, suggesting it wasnโ€™t as fast as Jurassic Ichthyosaurs,
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are higher than they are long. This is evidence for its transitional position between basal early Triassic ichthyosaurs and more derived Jurassic and Cretaceous species; who have disc shaped circular centra of the vertebrae. This species has been moved to its own genus,
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Klein, Nicole; Schmitz, Lars; Wintrich, Tanja; Sander, P. Martin (2020). "A new cymbospondylid ichthyosaur (Ichthyosauria) from the Middle Triassic (Anisian) of the Augusta Mountains, Nevada, USA".
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Sander, P.M.; Griebeler, E.M.; Klein, N.; Juarbe, J.V.; Wintrich, T.; Revell, L.J.; Schmitz, L. (2021). "Early giant reveals faster evolution of large body size in ichthyosaurs than in cetaceans".
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occurring in the dental region. Examples of the dental variation are the extent of the dental groove in the upper jaw, the shape and size of the teeth and the number of rows of teeth
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HL-21-08-002 being the holotype and only known specimen. This specimen, a largely complete but disarticulated skeleton, was found in the Upper Member of the Guanling Formation in
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of mixosaurid ichthyosaurs has been a controversial topic. Most recently, Mixosauridae has been separated into Mixosaurinae and the sister group
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Numerous species have been described within this genus, which was once considered as the most common genus of Triassic ichthyosaurs. The
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is the only Triassic ichthyosaur for which completely articulated skeletons have been found. Many specimens have been collected but
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should be included in Mixosauridae but only dental material has been found so it is difficult to assign it to a genus.
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is not well studied, this is because all of the known specimens have been compressed during the preservation process.
1696:"A new look at ichthyosaur long bone microanatomy and histology: implications for their adaption to an aquatic life" 67: 3756: 2999: 700:
The specimens found have important Mixosaurid characteristics such as a long sagittal crest along the top of the
1847: 3751: 3707: 1412:"A new species of mixosaurid ichthyosaur from the Middle Triassic of Luxi County, Yunnan Province, South China" 1806: 1694:
Houssaye, Alexandra; Scheyer, Torsten M.; Kolb, Christian; Fisher, Valentin; Sander, P. Martin (April 2014).
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share many similar characteristics throughout the cranial and post cranial with the main differences
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Cheng Ji; Da-Yong Jiang; Ryosuke Motani; Olivier Rieppel; Wei-Cheng Hao; Zuo-Yu Sun (2016).
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Jiang, D.; et al. (2006). "A new mixosaurid ichthyosaur from the Middle Triassic".
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but is seen as a different species because there is no external contact between the
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Motani, R.; et al. (1996). "Eel like swimming in the earliest ichthyosaurs".
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may have lived near shore or in a shelf-like habitat as it possesses more compact
317:. The name means "Mixed Lizard", and was chosen because it appears to have been a 1720: 3809: 3470: 3435: 3354: 3160: 3153: 3030: 3017: 2942: 2877: 2836: 2773: 2697: 2227: 2183: 2172: 2065: 1760:"Phylogeny, systematics, and origin of the Ichthyosauria โ€“ the state of the art" 611: 507: 397: 307: 303: 295: 1575:
Renesto, Silvio; Dal Sasso, Cristiano; Fogliazza, Fabio; Ragni, Cinzia (2020).
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as a new genus because its forefin was sufficiently different from that of
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The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals
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Mixosaurids are characterised by a relatively short and wide humerus and
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are characterised by the lack of a dental groove in the upper jaw.
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Previous authors assigned other species to the genus, including
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Jun Liu; Ryosuke Motani; Da-Yong Jiang; et al. (2013).
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Articulated skeletons have been found and the centra of the
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10.1671/0272-4634(2005)025[0983:ttsomn]2.0.co;2
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10.1671/0272-4634(2006)26[60:anmift]2.0.co;2
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In 2024, Ye-Wei Fang and coauthors named a new species,
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Schmitz.; et al. (2010). "The taxonomic status of
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Motani, R. (1999). "Phylogeny of the Ichthyopterygia".
1932:"A new phylogeny of ichthyosaurs (Reptilia: Diapsida)" 1052:
Cladogram following the preferred tree of Moon, 2017.
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Handbook of Paeoherpetology, Part 8, Ichthyopterygia
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fossils are found in every major Mixosaur locality.
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associated with the expansion of the upper temporal
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"The skull and taxonomy of 689:, which consists of thinly bedded bituminous 677:was discovered in the Middle Triassic of the 408:A 2024 study which described the new species 8: 1786: 1784: 1782: 1780: 1445: 1443: 1441: 1439: 1356:"The first specimen of the Middle Triassic 412:showed that the identity of species within 57:Dorsal view of fossil showing top of skull 3772: 3732: 3462: 3338: 3300: 3289: 3242: 3191: 3187: 3112: 3102: 3069: 3036: 3025: 3012: 2913: 2790: 2675: 2609: 2550: 2515: 2504: 2491: 2369: 2360: 2321: 2278: 2219: 2188: 2164: 2153: 2140: 2086: 2077: 2028: 2012: 1998: 1990: 1961:. Archived from the original on 2020-03-18 1349: 1347: 1345: 48: 20: 3907:Middle Triassic reptiles of North America 1729: 1719: 1628:. London: Marshall Editions. p. 79. 1592: 1427: 1383: 1297: 1295: 1882: 1880: 1873:. Munchen: Friedrich Pfeil. p. 175. 416:is debated among researchers except for 1405: 1403: 1401: 1399: 1397: 1395: 1291: 685:. The specimens have been found in the 298:. Its fossils have been found near the 1971: 854:following Jiang and colleagues, 2006. 392:. Recent studies suggest that genus 7: 1939:Journal of Systematic Palaeontology 1889:Journal of Systematic Palaeontology 1177: 1127: 1086: 1062: 1055: 980: 956: 897: 871: 864: 857: 434:, and it may more likely belong to 243:Jiang, Schmitz, Hao & Sun, 2006 3902:Middle Triassic reptiles of Europe 1835:Journal of Vertebrate Paleontology 1794:Journal of Vertebrate Paleontology 1542:Journal of Vertebrate Paleontology 1308:Journal of Vertebrate Paleontology 14: 3897:Middle Triassic reptiles of Asia 3718: 3712: 3706: 2998: 2992: 2987: 2981: 2477: 2471: 2465: 1869:Prof. Dr. H.D Sues, ed. (2003). 1280:Timeline of ichthyosaur research 1259: 734:based on phylogenetic analyses. 594:have been found from the Middle 573: 555: 232:Fang, Wolniewicz & Liu, 2024 66: 1071:Barracudasauroides panxianensis 313:The genus was named in 1887 by 1562:10.1080/02724634.1999.10011160 335:-shaped ichthyosaurs, such as 1: 3922:Fossil taxa described in 1887 1951:10.1080/14772019.2017.1394922 1909:10.1080/14772019.2020.1748132 1581:Acta Palaeontologica Polonica 1416:Acta Palaeontologica Polonica 1328:10.1080/02724634.2015.1025956 325:-shaped ichthyosaurs such as 3892:Middle Triassic ichthyosaurs 1721:10.1371/journal.pone.0095637 487:. These are now included in 566:showing soft tissue outline 562:Skeletal reconstruction of 3943: 1830:Mixosaurus nordenskioeldii 1758:Michael W. Maisch (2010). 726:. The 2024 study included 375:with a human hand to scale 3742: 3731: 3704: 3465: 3341: 3303: 3288: 3245: 3190: 3115: 3101: 3072: 3039: 3024: 3011: 2979: 2912: 2793: 2678: 2612: 2549: 2518: 2503: 2490: 2463: 2372: 2324: 2222: 2191: 2167: 2152: 2139: 2089: 2076: 2027: 1476:10.1017/S0022336000040750 1199: 1182: 1175: 1149: 1132: 1125: 1108: 1091: 1084: 1067: 1060: 1002: 985: 978: 961: 954: 919: 902: 895: 876: 869: 862: 205: 200: 186:Ichthyosaurus cornalianus 183: 176: 63:Scientific classification 61: 56: 47: 23: 16:Extinct genus of reptiles 3927:Ichthyosauromorph genera 3917:Taxa named by Georg Baur 1624:Palmer, D., ed. (1999). 1203:Mixosaurus kuhnschnyderi 923:Mixosaurus kuhnschnyderi 1511:10.1126/science.abf5787 1456:Journal of Paleontology 1095:Mixosaurus xindianensis 881:Mixosaurus panxianensis 675:Mixosaurus panxianensis 669:Mixosaurus panxianensis 606:areas on the border of 1594:10.4202/app.00731.2020 1429:10.4202/app.01133.2024 1186:Mixosaurus cornalianus 1136:Contectopalatus atavus 906:Mixosaurus cornalianus 839:It was suggested that 760: 750: 628:Mixosaurus cornalianus 622:Mixosaurus cornalianus 618:Mixosaurus cornalianus 592:Mixosaurus cornalianus 546:Mixosaurus cornalianus 428:has been suggested as 376: 252:Chen & Cheng, 2010 3864:Paleobiology Database 756: 745: 383:but also possessed a 371: 294:, about 250-240 Mya) 2821:Guizhouichthyosaurus 2743:Guizhouichthyosaurus 2691:Guizhouichthyosaurus 1454:(Ichthyopterygia)". 1275:List of ichthyosaurs 1153:Phalarodon callawayi 1006:Phalarodon callawayi 763:In recent years the 643:Mixosaurus luxiensis 580:Life restoration of 517:species declared as 42:, about 247โ€“242 Mya) 3107:Temnodontosauroidea 1930:Moon, B.C. (2017). 1901:2020JSPal..18.1167K 1712:2014PLoSO...995637H 1665:1996Natur.382..347M 1554:1999JVPal..19..473M 1468:1999JPal...73..924M 1376:2013Palgy..56..849L 1320:2016JVPal..36E5956J 1267:Paleontology portal 485:Liu & Yin, 2008 440:. Known species of 3912:Guanling Formation 3737:Related categories 3220:Protoichthyosaurus 2639:Barracudasauroides 2524:Quasianosteosaurus 2274:Ichthyosauriformes 2159:Ichthyosauromorpha 2146:Ichthyosauromorpha 2109:Ichthyosauromorpha 2021:Ichthyosauromorpha 1505:(6575): eabf5787. 1385:10.1111/pala.12021 794:Barracudasauroides 761: 751: 723:Barracudasauroides 687:Guanling Formation 590:Many specimens of 539:M. nordenskioeldii 502:Barracudasauroides 431:species inquirenda 377: 3879: 3878: 3851:Open Tree of Life 3778:Taxon identifiers 3769: 3768: 3765: 3764: 3757:Triassic reptiles 3727: 3726: 3702: 3701: 3698: 3697: 3694: 3693: 3690: 3689: 3686: 3685: 3682: 3681: 3678: 3677: 3674: 3673: 3538:Kazakhstanosaurus 3452: 3451: 3413:Ophthalmosaurinae 3378:Myobradypterygius 3334:Ophthalmosauridae 3230: 3229: 3175: 3174: 3171: 3170: 3007: 3006: 2977: 2976: 2973: 2972: 2908: 2907: 2904: 2903: 2900: 2899: 2896: 2895: 2859:Qianichthyosaurus 2597: 2596: 2486: 2485: 2461: 2460: 2457: 2456: 2453: 2452: 2449: 2448: 2445: 2444: 2421: 2420: 2268: 2267: 2264: 2263: 2239:Parahupehsuchinae 2135: 2134: 2131: 2130: 2127: 2126: 1895:(14): 1167โ€“1191. 1659:(6589): 347โ€“388. 1635:978-1-84028-152-1 1358:Phalarodon atavus 1249: 1248: 1241: 1240: 1232: 1231: 1223: 1222: 1214: 1213: 1164: 1163: 1112:Phalarodon fraasi 1044: 1043: 1035: 1034: 1026: 1025: 1017: 1016: 989:Phalarodon fraasi 965:Phalarodon atavus 943: 942: 934: 933: 600:Monte San Giorgio 486: 479: 468: 457: 456:(Quenstedt, 1852) 319:transitional form 268: 267: 262: 261:Chen et al., 2016 253: 244: 233: 225: 224:(Brinkmann, 1998) 217: 172: 3934: 3872: 3871: 3859: 3858: 3846: 3845: 3833: 3832: 3820: 3819: 3818: 3805: 3804: 3803: 3773: 3733: 3722: 3716: 3710: 3658:Simbirskiasaurus 3607:Platypterygiinae 3575:Pervushovisaurus 3463: 3458:Platypterygiidae 3339: 3301: 3290: 3263:Stenopterygiidae 3243: 3192: 3188: 3119:Temnodontosaurus 3113: 3103: 3070: 3064:Neoichthyosauria 3037: 3026: 3013: 3002: 2996: 2991: 2985: 2914: 2791: 2676: 2618:Cymbospondylidae 2610: 2555:Cymbospondylidae 2551: 2516: 2505: 2492: 2481: 2475: 2469: 2370: 2361: 2322: 2279: 2220: 2189: 2165: 2154: 2141: 2087: 2078: 2071: 2070: 2029: 2014: 2007: 2000: 1991: 1984: 1983: 1977: 1969: 1967: 1966: 1936: 1927: 1921: 1920: 1884: 1875: 1874: 1866: 1860: 1859: 1825: 1819: 1818: 1788: 1775: 1774: 1764: 1755: 1744: 1743: 1733: 1723: 1691: 1685: 1684: 1673:10.1038/382347a0 1646: 1640: 1639: 1621: 1615: 1614: 1596: 1572: 1566: 1565: 1537: 1531: 1530: 1494: 1488: 1487: 1447: 1434: 1433: 1431: 1407: 1390: 1389: 1387: 1351: 1340: 1339: 1299: 1269: 1264: 1263: 1262: 1178: 1128: 1087: 1063: 1056: 981: 957: 898: 872: 865: 858: 847: 841:Tholodus schmidi 785:M. kuhnschnyderi 773:Phalarondontinae 730:as a species of 679:Guizhou Province 577: 559: 511:, respectively. 484: 482:M. yangjuanensis 473: 462: 455: 422:M. kuhnschnyderi 260: 251: 242: 231: 223: 221:M. kuhnschnyderi 211: 167: 160: 147: 134: 121: 71: 70: 52: 29:Temporal range: 21: 3942: 3941: 3937: 3936: 3935: 3933: 3932: 3931: 3882: 3881: 3880: 3875: 3867: 3862: 3854: 3849: 3841: 3836: 3828: 3823: 3814: 3813: 3808: 3799: 3798: 3793: 3780: 3770: 3761: 3752:Marine reptiles 3738: 3723: 3670: 3601: 3501:Brachypterygius 3493:Athabascasaurus 3485:Arthropterygius 3448: 3443:Ophthalmosaurus 3407: 3347:Arthropterygius 3328: 3297: 3295:Ophthalmosauria 3284: 3257: 3239: 3226: 3196:Ichthyosauridae 3184: 3167: 3122: 3097: 3066: 3057: 3033: 3020: 3003: 2969: 2957:Svalbardosaurus 2936:Pachygonosaurus 2929:Barracudasaurus 2892: 2872: 2843: 2807:Californosaurus 2786:Euichthyosauria 2780: 2712: 2665: 2646:Contectopalatus 2624: 2606: 2593: 2545: 2512: 2499: 2482: 2441: 2417: 2390: 2356:Eoichthyosauria 2350: 2317:Ichthyopterygia 2311: 2283:Omphalosauridae 2260: 2255:Parahupehsuchus 2233: 2209: 2204:Nanchangosaurus 2178: 2161: 2148: 2123: 2103: 2072: 2034: 2033: 2023: 2018: 1988: 1987: 1970: 1964: 1962: 1934: 1929: 1928: 1924: 1886: 1885: 1878: 1868: 1867: 1863: 1827: 1826: 1822: 1790: 1789: 1778: 1767:Palaeodiversity 1762: 1757: 1756: 1747: 1693: 1692: 1688: 1648: 1647: 1643: 1636: 1623: 1622: 1618: 1574: 1573: 1569: 1539: 1538: 1534: 1496: 1495: 1491: 1449: 1448: 1437: 1409: 1408: 1393: 1353: 1352: 1343: 1314:(1): e1025956. 1301: 1300: 1293: 1288: 1265: 1260: 1258: 1255: 1250: 1242: 1233: 1224: 1215: 1165: 1047: 1045: 1036: 1027: 1018: 944: 935: 818:Contectopalatus 799:B. panxianensis 789:M. xindianensis 740: 728:M. panxianensis 672: 662:Yunnan Province 646: 588: 587: 586: 585: 584: 578: 569: 568: 567: 560: 549: 490:Contectopalatus 471:M. panxianensis 426:M. xindianensis 406: 366: 284:Middle Triassic 257:M. xinzhaiensis 248:M. xindianensis 238:M. panxianensis 196: 189: 166: 158: 145: 132: 119: 65: 43: 33: 27: 17: 12: 11: 5: 3940: 3938: 3930: 3929: 3924: 3919: 3914: 3909: 3904: 3899: 3894: 3884: 3883: 3877: 3876: 3874: 3873: 3860: 3847: 3834: 3821: 3806: 3790: 3788: 3782: 3781: 3776: 3767: 3766: 3763: 3762: 3760: 3759: 3754: 3749: 3743: 3740: 3739: 3736: 3729: 3728: 3725: 3724: 3705: 3703: 3700: 3699: 3696: 3695: 3692: 3691: 3688: 3687: 3684: 3683: 3680: 3679: 3676: 3675: 3672: 3671: 3669: 3668: 3661: 3654: 3651:Plutoniosaurus 3647: 3644:Platypterygius 3640: 3633: 3626: 3619: 3616:Caypullisaurus 3611: 3609: 3603: 3602: 3600: 3599: 3592: 3585: 3578: 3571: 3564: 3556: 3549: 3541: 3534: 3526: 3519: 3511: 3504: 3497: 3489: 3481: 3474: 3466: 3460: 3454: 3453: 3450: 3449: 3447: 3446: 3439: 3432: 3425: 3417: 3415: 3409: 3408: 3406: 3405: 3397: 3389: 3385:Nannopterygius 3381: 3374: 3366: 3359: 3351: 3342: 3336: 3330: 3329: 3327: 3326: 3323:Macropterygius 3319: 3316:Delphinosaurus 3312: 3304: 3298: 3293: 3286: 3285: 3283: 3282: 3279:Stenopterygius 3275: 3272:Magnipterygius 3267: 3265: 3259: 3258: 3256: 3255: 3251:Chacaicosaurus 3246: 3240: 3235: 3232: 3231: 3228: 3227: 3225: 3224: 3216: 3208: 3200: 3198: 3185: 3180: 3177: 3176: 3173: 3172: 3169: 3168: 3166: 3165: 3157: 3150: 3146:Excalibosaurus 3142: 3133: 3131: 3124: 3123: 3116: 3110: 3099: 3098: 3096: 3095: 3092:Suevoleviathan 3088: 3081: 3073: 3067: 3062: 3059: 3058: 3056: 3055: 3048: 3040: 3034: 3029: 3022: 3021: 3016: 3009: 3008: 3005: 3004: 2980: 2978: 2975: 2974: 2971: 2970: 2968: 2967: 2960: 2953: 2946: 2939: 2932: 2924: 2922: 2910: 2909: 2906: 2905: 2902: 2901: 2898: 2897: 2894: 2893: 2891: 2890: 2889: 2888: 2882: 2880: 2874: 2873: 2871: 2870: 2863: 2854: 2852: 2849:Toretocnemidae 2845: 2844: 2842: 2841: 2833: 2829:Mikadocephalus 2825: 2817: 2810: 2803: 2799:Auroroborealia 2794: 2788: 2782: 2781: 2779: 2778: 2770: 2763: 2755: 2751:Himalayasaurus 2747: 2739: 2735:Guanlingsaurus 2731: 2722: 2720: 2718:Shastasauridae 2714: 2713: 2711: 2710: 2702: 2694: 2687: 2679: 2673: 2671:Merriamosauria 2667: 2666: 2664: 2663: 2656: 2649: 2642: 2634: 2632: 2626: 2625: 2623: 2622: 2613: 2607: 2602: 2599: 2598: 2595: 2594: 2592: 2591: 2583: 2579:Thalattoarchon 2575: 2571:Phantomosaurus 2567: 2564:Cymbospondylus 2559: 2557: 2547: 2546: 2544: 2543: 2535: 2527: 2519: 2513: 2508: 2501: 2500: 2495: 2488: 2487: 2484: 2483: 2464: 2462: 2459: 2458: 2455: 2454: 2451: 2450: 2447: 2446: 2443: 2442: 2440: 2439: 2438: 2437: 2431: 2429: 2423: 2422: 2419: 2418: 2416: 2415: 2408: 2400: 2398: 2392: 2391: 2389: 2388: 2381: 2373: 2367: 2358: 2352: 2351: 2349: 2348: 2341: 2334: 2330:Isfjordosaurus 2325: 2319: 2313: 2312: 2310: 2309: 2302: 2295: 2287: 2285: 2276: 2270: 2269: 2266: 2265: 2262: 2261: 2259: 2258: 2251: 2243: 2241: 2235: 2234: 2232: 2231: 2223: 2217: 2211: 2210: 2208: 2207: 2200: 2192: 2186: 2180: 2179: 2177: 2176: 2168: 2162: 2157: 2150: 2149: 2144: 2137: 2136: 2133: 2132: 2129: 2128: 2125: 2124: 2122: 2121: 2120: 2119: 2113: 2111: 2105: 2104: 2102: 2101: 2100: 2099: 2090: 2084: 2074: 2073: 2069: 2068: 2059: 2053: 2047: 2041: 2032: 2025: 2024: 2019: 2017: 2016: 2009: 2002: 1994: 1986: 1985: 1922: 1876: 1861: 1842:(4): 983โ€“985. 1820: 1776: 1745: 1686: 1641: 1634: 1616: 1567: 1548:(3): 472โ€“495. 1532: 1489: 1462:(5): 924โ€“935. 1435: 1422:(2): 263โ€“280. 1391: 1370:(4): 849โ€“866. 1341: 1290: 1289: 1287: 1284: 1283: 1282: 1277: 1271: 1270: 1254: 1251: 1247: 1246: 1239: 1238: 1235: 1234: 1230: 1229: 1226: 1225: 1221: 1220: 1217: 1216: 1212: 1211: 1208: 1207: 1198: 1195: 1194: 1191: 1190: 1181: 1176: 1174: 1171: 1170: 1167: 1166: 1162: 1161: 1158: 1157: 1148: 1145: 1144: 1141: 1140: 1131: 1126: 1124: 1121: 1120: 1117: 1116: 1107: 1104: 1103: 1100: 1099: 1090: 1085: 1083: 1080: 1079: 1076: 1075: 1066: 1061: 1059: 1054: 1049: 1042: 1041: 1038: 1037: 1033: 1032: 1029: 1028: 1024: 1023: 1020: 1019: 1015: 1014: 1011: 1010: 1001: 998: 997: 994: 993: 984: 979: 977: 974: 973: 970: 969: 960: 955: 953: 950: 949: 946: 945: 941: 940: 937: 936: 932: 931: 928: 927: 918: 915: 914: 911: 910: 901: 896: 894: 891: 890: 887: 886: 875: 870: 868: 863: 861: 856: 845: 781:M. cornalianus 758:M. cornalianus 747:M. cornalianus 739: 738:Classification 736: 671: 666: 645: 640: 632:sagittal crest 582:M. cornalianus 579: 572: 571: 570: 564:M. cornalianus 561: 554: 553: 552: 551: 550: 548: 543: 523:M. maotaiensis 418:M. cornalianus 405: 402: 365: 362: 358:M. cornalianus 331:and the later 328:Cymbospondylus 315:George H. Baur 306:border and in 266: 265: 264: 263: 254: 245: 234: 226: 218: 209:M. cornalianus 203: 202: 198: 197: 190: 181: 180: 174: 173: 156: 152: 151: 143: 139: 138: 130: 126: 125: 117: 113: 112: 107: 103: 102: 97: 93: 92: 87: 83: 82: 77: 73: 72: 59: 58: 54: 53: 45: 44: 28: 15: 13: 10: 9: 6: 4: 3: 2: 3939: 3928: 3925: 3923: 3920: 3918: 3915: 3913: 3910: 3908: 3905: 3903: 3900: 3898: 3895: 3893: 3890: 3889: 3887: 3870: 3865: 3861: 3857: 3852: 3848: 3844: 3839: 3835: 3831: 3826: 3822: 3817: 3811: 3807: 3802: 3796: 3792: 3791: 3789: 3787: 3783: 3779: 3774: 3758: 3755: 3753: 3750: 3748: 3745: 3744: 3741: 3734: 3730: 3721: 3717: 3715: 3709: 3667: 3666: 3662: 3660: 3659: 3655: 3653: 3652: 3648: 3646: 3645: 3641: 3639: 3638: 3637:Maiaspondylus 3634: 3632: 3631: 3627: 3625: 3624: 3620: 3618: 3617: 3613: 3612: 3610: 3608: 3604: 3598: 3597: 3593: 3591: 3590: 3586: 3584: 3583: 3579: 3577: 3576: 3572: 3570: 3569: 3565: 3562: 3561: 3557: 3555: 3554: 3550: 3547: 3546: 3542: 3540: 3539: 3535: 3532: 3531: 3527: 3525: 3524: 3520: 3517: 3516: 3515:Cryopterygius 3512: 3510: 3509: 3505: 3503: 3502: 3498: 3495: 3494: 3490: 3487: 3486: 3482: 3480: 3479: 3475: 3473: 3472: 3468: 3467: 3464: 3461: 3459: 3455: 3445: 3444: 3440: 3438: 3437: 3433: 3431: 3430: 3426: 3424: 3423: 3422:Acamptonectes 3419: 3418: 3416: 3414: 3410: 3403: 3402: 3401:Thalassodraco 3398: 3395: 3394: 3390: 3387: 3386: 3382: 3380: 3379: 3375: 3372: 3371: 3367: 3365: 3364: 3360: 3357: 3356: 3352: 3349: 3348: 3344: 3343: 3340: 3337: 3335: 3331: 3325: 3324: 3320: 3318: 3317: 3313: 3311: 3310: 3306: 3305: 3302: 3299: 3296: 3291: 3287: 3281: 3280: 3276: 3274: 3273: 3269: 3268: 3266: 3264: 3260: 3253: 3252: 3248: 3247: 3244: 3241: 3238: 3233: 3222: 3221: 3217: 3214: 3213: 3209: 3207: 3206: 3205:Ichthyosaurus 3202: 3201: 3199: 3197: 3193: 3189: 3186: 3183: 3178: 3163: 3162: 3158: 3156: 3155: 3151: 3148: 3147: 3143: 3140: 3139: 3138:Eurhinosaurus 3135: 3134: 3132: 3129: 3128:Leptonectidae 3125: 3121: 3120: 3114: 3111: 3108: 3104: 3100: 3094: 3093: 3089: 3087: 3086: 3085:Hauffiopteryx 3082: 3080: 3079: 3075: 3074: 3071: 3068: 3065: 3060: 3054: 3053: 3049: 3047: 3046: 3045:Hudsonelpidia 3042: 3041: 3038: 3035: 3032: 3027: 3023: 3019: 3014: 3010: 3001: 2997: 2995: 2990: 2984: 2966: 2965: 2961: 2959: 2958: 2954: 2952: 2951: 2950:Sphaerodontes 2947: 2945: 2944: 2940: 2938: 2937: 2933: 2931: 2930: 2926: 2925: 2923: 2921: 2920: 2915: 2911: 2886: 2885: 2884: 2883: 2881: 2879: 2875: 2869: 2868: 2864: 2861: 2860: 2856: 2855: 2853: 2850: 2846: 2839: 2838: 2834: 2831: 2830: 2826: 2823: 2822: 2818: 2816: 2815: 2811: 2809: 2808: 2804: 2801: 2800: 2796: 2795: 2792: 2789: 2787: 2783: 2776: 2775: 2771: 2769: 2768: 2764: 2761: 2760: 2756: 2753: 2752: 2748: 2745: 2744: 2740: 2737: 2736: 2732: 2729: 2728: 2724: 2723: 2721: 2719: 2715: 2708: 2707: 2703: 2700: 2699: 2695: 2693: 2692: 2688: 2686: 2685: 2681: 2680: 2677: 2674: 2672: 2668: 2662: 2661: 2657: 2655: 2654: 2650: 2648: 2647: 2643: 2641: 2640: 2636: 2635: 2633: 2631: 2627: 2620: 2619: 2615: 2614: 2611: 2608: 2605: 2600: 2589: 2588: 2587:Xinminosaurus 2584: 2581: 2580: 2576: 2573: 2572: 2568: 2566: 2565: 2561: 2560: 2558: 2556: 2552: 2548: 2541: 2540: 2539:Xinminosaurus 2536: 2533: 2532: 2528: 2526: 2525: 2521: 2520: 2517: 2514: 2511: 2510:Ichthyosauria 2506: 2502: 2498: 2497:Ichthyosauria 2493: 2489: 2480: 2476: 2474: 2468: 2435: 2434: 2433: 2432: 2430: 2428: 2427:Ichthyosauria 2424: 2414: 2413: 2409: 2407: 2406: 2402: 2401: 2399: 2397: 2393: 2387: 2386: 2382: 2380: 2379: 2375: 2374: 2371: 2368: 2366: 2362: 2359: 2357: 2353: 2347: 2346: 2342: 2340: 2339: 2335: 2332: 2331: 2327: 2326: 2323: 2320: 2318: 2314: 2308: 2307: 2303: 2301: 2300: 2299:Omphalosaurus 2296: 2294: 2293: 2292:Cartorhynchus 2289: 2288: 2286: 2284: 2280: 2277: 2275: 2271: 2257: 2256: 2252: 2250: 2249: 2245: 2244: 2242: 2240: 2236: 2230: 2229: 2225: 2224: 2221: 2218: 2216: 2215:Hupehsuchidae 2212: 2206: 2205: 2201: 2199: 2198: 2197:Eohupehsuchus 2194: 2193: 2190: 2187: 2185: 2181: 2175: 2174: 2170: 2169: 2166: 2163: 2160: 2155: 2151: 2147: 2142: 2138: 2117: 2116: 2115: 2114: 2112: 2110: 2106: 2098: 2094: 2093: 2092: 2091: 2088: 2085: 2083: 2079: 2075: 2067: 2063: 2060: 2058: 2054: 2052: 2048: 2046: 2042: 2040: 2036: 2035: 2030: 2026: 2022: 2015: 2010: 2008: 2003: 2001: 1996: 1995: 1992: 1981: 1975: 1960: 1956: 1952: 1948: 1944: 1940: 1933: 1926: 1923: 1918: 1914: 1910: 1906: 1902: 1898: 1894: 1890: 1883: 1881: 1877: 1872: 1865: 1862: 1857: 1853: 1849: 1845: 1841: 1837: 1836: 1831: 1824: 1821: 1816: 1812: 1808: 1804: 1800: 1796: 1795: 1787: 1785: 1783: 1781: 1777: 1772: 1768: 1761: 1754: 1752: 1750: 1746: 1741: 1737: 1732: 1727: 1722: 1717: 1713: 1709: 1706:(4): e95637. 1705: 1701: 1697: 1690: 1687: 1682: 1678: 1674: 1670: 1666: 1662: 1658: 1654: 1653: 1645: 1642: 1637: 1631: 1627: 1620: 1617: 1612: 1608: 1604: 1600: 1595: 1590: 1586: 1582: 1578: 1571: 1568: 1563: 1559: 1555: 1551: 1547: 1543: 1536: 1533: 1528: 1524: 1520: 1516: 1512: 1508: 1504: 1500: 1493: 1490: 1485: 1481: 1477: 1473: 1469: 1465: 1461: 1457: 1453: 1446: 1444: 1442: 1440: 1436: 1430: 1425: 1421: 1417: 1413: 1406: 1404: 1402: 1400: 1398: 1396: 1392: 1386: 1381: 1377: 1373: 1369: 1365: 1364:Palaeontology 1361: 1359: 1350: 1348: 1346: 1342: 1337: 1333: 1329: 1325: 1321: 1317: 1313: 1309: 1305: 1298: 1296: 1292: 1285: 1281: 1278: 1276: 1273: 1272: 1268: 1257: 1252: 1245: 1237: 1236: 1228: 1227: 1219: 1218: 1210: 1209: 1206: 1205: 1204: 1197: 1196: 1193: 1192: 1189: 1188: 1187: 1180: 1179: 1173: 1172: 1169: 1168: 1160: 1159: 1156: 1155: 1154: 1147: 1146: 1143: 1142: 1139: 1138: 1137: 1130: 1129: 1123: 1122: 1119: 1118: 1115: 1114: 1113: 1106: 1105: 1102: 1101: 1098: 1097: 1096: 1089: 1088: 1082: 1081: 1078: 1077: 1074: 1073: 1072: 1065: 1064: 1058: 1057: 1053: 1050: 1048: 1040: 1039: 1031: 1030: 1022: 1021: 1013: 1012: 1009: 1008: 1007: 1000: 999: 996: 995: 992: 991: 990: 983: 982: 976: 975: 972: 971: 968: 967: 966: 959: 958: 952: 951: 948: 947: 939: 938: 930: 929: 926: 925: 924: 917: 916: 913: 912: 909: 908: 907: 900: 899: 893: 892: 889: 888: 885: 884: 883: 882: 874: 873: 867: 866: 860: 859: 855: 853: 849: 848: 844: 842: 837: 835: 831: 826: 824: 820: 819: 814: 810: 806: 805: 800: 796: 795: 790: 786: 782: 778: 774: 770: 766: 759: 755: 748: 744: 737: 735: 733: 729: 725: 724: 718: 713: 711: 710:quadratojugal 707: 703: 698: 696: 692: 688: 684: 680: 676: 670: 667: 665: 663: 659: 655: 651: 644: 641: 639: 637: 633: 629: 625: 623: 619: 615: 613: 609: 605: 601: 597: 593: 583: 576: 565: 558: 547: 544: 542: 540: 536: 532: 531:M. timorensis 528: 527:M. helveticus 524: 520: 516: 512: 510: 509: 504: 503: 498: 497: 492: 491: 483: 477: 472: 466: 461: 454: 449: 447: 443: 439: 438: 433: 432: 427: 423: 419: 415: 411: 403: 401: 399: 395: 391: 386: 381: 374: 370: 363: 361: 359: 355: 350: 348: 347:Ichthyosaurus 344: 341:. Baur named 340: 339: 338:Ichthyosaurus 334: 330: 329: 324: 320: 316: 311: 309: 305: 301: 297: 293: 289: 285: 281: 278: 274: 273: 258: 255: 249: 246: 240: 239: 235: 230: 227: 222: 219: 215: 210: 207: 206: 204: 199: 194: 188: 187: 182: 179: 175: 170: 165: 164: 157: 154: 153: 150: 144: 141: 140: 137: 131: 128: 127: 124: 123:Ichthyosauria 118: 115: 114: 111: 108: 105: 104: 101: 98: 95: 94: 91: 88: 85: 84: 81: 78: 75: 74: 69: 64: 60: 55: 51: 46: 41: 37: 32: 26: 22: 19: 3785: 3747:Ichthyosaurs 3711: 3663: 3656: 3649: 3642: 3635: 3628: 3621: 3614: 3596:Undorosaurus 3594: 3589:Sveltonectes 3587: 3580: 3573: 3568:Parrassaurus 3566: 3558: 3553:Muiscasaurus 3551: 3543: 3536: 3528: 3521: 3513: 3508:Catutosaurus 3506: 3499: 3491: 3483: 3478:Aegirosaurus 3476: 3469: 3441: 3434: 3427: 3420: 3399: 3391: 3383: 3376: 3368: 3363:Jabalisaurus 3361: 3353: 3345: 3321: 3314: 3309:Argovisaurus 3307: 3277: 3270: 3249: 3218: 3210: 3203: 3182:Thunnosauria 3159: 3152: 3144: 3136: 3117: 3090: 3083: 3076: 3050: 3043: 2986: 2964:Tibetosaurus 2962: 2955: 2948: 2941: 2934: 2927: 2919:Nomina dubia 2917: 2867:Toretocnemus 2865: 2857: 2835: 2827: 2819: 2812: 2805: 2797: 2772: 2767:Shastasaurus 2765: 2759:Ichthyotitan 2757: 2749: 2741: 2733: 2727:Besanosaurus 2725: 2704: 2696: 2689: 2684:Besanosaurus 2682: 2658: 2652: 2651: 2644: 2637: 2630:Mixosauridae 2616: 2604:Hueneosauria 2585: 2577: 2569: 2562: 2537: 2529: 2522: 2470: 2410: 2403: 2385:Utatsusaurus 2383: 2378:Parvinatator 2376: 2343: 2338:Chaohusaurus 2336: 2328: 2306:Sclerocormus 2304: 2297: 2290: 2253: 2248:Eretmorhipis 2246: 2226: 2202: 2195: 2171: 2061: 1974:cite journal 1963:. Retrieved 1942: 1938: 1925: 1892: 1888: 1870: 1864: 1839: 1833: 1829: 1823: 1798: 1792: 1770: 1766: 1703: 1699: 1689: 1656: 1650: 1644: 1625: 1619: 1584: 1580: 1570: 1545: 1541: 1535: 1502: 1498: 1492: 1459: 1455: 1451: 1419: 1415: 1367: 1363: 1357: 1311: 1307: 1243: 1202: 1201: 1200: 1185: 1184: 1183: 1151: 1150: 1134: 1133: 1110: 1109: 1094: 1093: 1092: 1069: 1068: 1051: 1046: 1004: 1003: 987: 986: 963: 962: 922: 921: 920: 905: 904: 903: 879: 878: 877: 850: 840: 838: 833: 829: 827: 822: 816: 813:P. callawayi 812: 808: 802: 798: 792: 788: 784: 780: 776: 762: 757: 746: 731: 727: 721: 714: 699: 674: 673: 668: 650:M. luxiensis 649: 647: 642: 627: 626: 621: 617: 616: 591: 589: 581: 563: 545: 538: 534: 530: 526: 522: 519:nomen dubium 518: 514: 513: 506: 500: 494: 488: 481: 475: 470: 464: 460:M. callawayi 459: 452: 450: 441: 435: 429: 425: 421: 417: 413: 410:M. luxiensis 409: 407: 393: 379: 378: 372: 357: 354:type species 351: 346: 342: 336: 326: 321:between the 312: 271: 270: 269: 256: 247: 236: 229:M. luxiensis 228: 220: 208: 185: 184: 178:Type species 162: 161: 149:Mixosaurinae 136:Mixosauridae 24: 18: 3810:Wikispecies 3471:Acuetzpalin 3436:Mollesaurus 3355:Gengasaurus 3161:Wahlisaurus 3154:Leptonectes 3031:Parvipelvia 3018:Parvipelvia 2943:Pessosaurus 2878:Parvipelvia 2837:Shonisaurus 2774:Shonisaurus 2698:Pessopteryx 2228:Hupehsuchus 2184:Hupehsuchia 2173:Baisesaurus 2066:Neodiapsida 1945:(2): 1โ€“27. 658:Luxi County 612:Switzerland 508:Nothosaurus 398:spongy bone 364:Description 308:South China 304:Switzerland 296:ichthyosaur 142:Subfamily: 3886:Categories 3816:Mixosaurus 3786:Mixosaurus 3665:Sisteronia 3623:Kyhytysuka 3530:Janusaurus 3523:Grendelius 3429:Baptanodon 3370:Janusaurus 3237:Baracromia 3078:Dearcmhara 3052:Macgowania 2887:see belowโ†“ 2814:Callawayia 2660:Phalarodon 2653:Mixosaurus 2436:see belowโ†“ 2405:Gulosaurus 2396:Grippiidae 2345:Thaisaurus 2118:see belowโ†“ 2097:Sauropsida 2082:Sauropsida 2055:Subclass: 2051:Sauropsida 1965:2023-06-09 1773:: 151โ€“214. 1452:Mixosaurus 1286:References 834:Phalarodon 830:Phalarodon 804:Phalarodon 777:Mixosaurus 732:Mixosaurus 691:limestones 515:Mixosaurus 496:Phalarodon 446:morphology 442:Mixosaurus 437:Phalarodon 414:Mixosaurus 394:Mixosaurus 385:dorsal fin 380:Mixosaurus 373:Mixosaurus 343:Mixosaurus 272:Mixosaurus 163:Mixosaurus 25:Mixosaurus 3560:Palvennia 3545:Keilhauia 3393:Palvennia 3212:Malawania 2365:Grippidia 2037:Kingdom: 1917:219078178 1801:: 60โ€“69. 1611:222285117 1603:0567-7920 1527:245444783 1484:130661969 852:Cladogram 823:C. atavus 821:contains 809:P. fraasi 807:contains 797:contains 779:contains 769:phylogeny 717:vertebrae 453:M. atavus 86:Kingdom: 80:Eukaryota 3795:Wikidata 3582:Sumpalla 2706:Wimanius 2531:Tholodus 2057:Diapsida 2045:Chordata 2043:Phylum: 2039:Animalia 1959:90912678 1856:84214133 1815:55171917 1740:24752508 1700:PLOS ONE 1519:34941418 1336:85621052 1253:See also 765:taxonomy 749:in Milan 708:and the 636:fenestra 602:and the 596:Triassic 535:M. major 463:Schmitz 390:diapsids 292:Ladinian 201:Species 129:Family: 110:Reptilia 100:Chordata 96:Phylum: 90:Animalia 76:Domain: 40:Ladinian 31:Triassic 3856:4126886 3843:1366635 3830:4818035 3801:Q134753 3630:Leninia 2412:Grippia 2049:Class: 1897:Bibcode 1731:3994080 1708:Bibcode 1681:4323012 1661:Bibcode 1550:Bibcode 1499:Science 1464:Bibcode 1372:Bibcode 1316:Bibcode 652:, with 404:Species 333:dolphin 288:Anisian 277:extinct 216:, 1886) 214:Bassani 195:, 1886) 193:Bassani 155:Genus: 116:Order: 106:Class: 36:Anisian 1957:  1915:  1854:  1813:  1738:  1728:  1679:  1652:Nature 1632:  1609:  1601:  1525:  1517:  1482:  1334:  1244: 815:, and 630:has a 604:Tessin 537:, and 478:, 2006 476:et al. 474:Jiang 467:, 2004 465:et al. 275:is an 171:, 1887 3869:36562 3838:IRMNG 2062:Clade 1955:S2CID 1935:(PDF) 1913:S2CID 1852:S2CID 1811:S2CID 1763:(PDF) 1677:S2CID 1607:S2CID 1523:S2CID 1480:S2CID 1332:S2CID 706:jugal 702:skull 695:marls 683:China 608:Italy 300:Italy 280:genus 3825:GBIF 2095:see 1980:link 1736:PMID 1630:ISBN 1599:ISSN 1515:PMID 811:and 787:and 767:and 693:and 654:HFUT 610:and 505:and 480:and 420:and 169:Baur 1947:doi 1905:doi 1844:doi 1832:". 1803:doi 1726:PMC 1716:doi 1669:doi 1657:382 1589:doi 1558:doi 1507:doi 1503:374 1472:doi 1424:doi 1380:doi 1324:doi 598:of 356:is 323:eel 290:to 282:of 38:to 3888:: 3866:: 3853:: 3840:: 3827:: 3812:: 3797:: 2064:: 1976:}} 1972:{{ 1953:. 1943:17 1941:. 1937:. 1911:. 1903:. 1893:18 1891:. 1879:^ 1850:. 1840:25 1838:. 1809:. 1799:26 1797:. 1779:^ 1769:. 1765:. 1748:^ 1734:. 1724:. 1714:. 1702:. 1698:. 1675:. 1667:. 1655:. 1605:. 1597:. 1587:. 1585:65 1583:. 1579:. 1556:. 1546:19 1544:. 1521:. 1513:. 1501:. 1478:. 1470:. 1460:73 1458:. 1438:^ 1420:69 1418:. 1414:. 1394:^ 1378:. 1368:56 1366:. 1362:. 1344:^ 1330:. 1322:. 1312:36 1310:. 1306:. 1294:^ 825:. 801:, 791:, 783:, 775:. 712:. 697:. 681:, 660:, 614:. 541:. 533:, 529:, 525:, 499:, 493:, 469:, 458:, 424:. 349:. 310:. 259:? 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Index

Triassic
Anisian
Ladinian

Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Reptilia
Ichthyosauria
Mixosauridae
Mixosaurinae
Mixosaurus
Baur
Type species
Bassani
Bassani
M. panxianensis
extinct
genus
Middle Triassic
Anisian
Ladinian
ichthyosaur
Italy
Switzerland
South China
George H. Baur
transitional form

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