Knowledge (XXG)

Ashoroa

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is the smallest and one of the oldest desmostylians with an estimated body length of 168 cm (66 in). It is known from a rib, a humerus, a femur, and three vertebrae of the single species and holotype,
577:
Hayashi, Shoji; Houssaye, Alexandra; Nakajima, Yasuhisa; Kentaro, Chiba; Ando, Tatsuro; Sawamura, Hiroshi; Inuzuka, Norihisa; Kaneko, Naotomo; Osaki, Tomohiro (2013).
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Inuzuka, N. (2000). "Primitive late Oligocene desmostylians from Japan and Phylogeny of the Desmostylia".
341: 310: 1455: 507: 489: 248: 1032: 997: 467:. as a "shallow water swimmer, either hovering slowly at a preferred depth, or walking on the bottom". 1193: 590: 579:"Bone Inner Structure Suggests Increasing Aquatic Adaptations in Desmostylia (Mammalia, Afrotheria)" 967: 404: 1375: 1251: 1224: 909: 836: 720: 669: 134: 1011: 1460: 953: 826: 796: 1442: 1122: 1039: 626: 608: 296: 207: 1447: 1235: 616: 598: 280: 431:, but not as dense as in sirenians. The recovered long bones lack inner cavities, like in 1271: 1262: 944: 424: 594: 1244: 1186: 1138: 621: 578: 419: 407:(large and dense) bones. The ribs are broader than in other desmostylians, similar to 1477: 1156: 1018: 988: 69: 1285: 1211: 1145: 1069: 1004: 856: 786: 747: 428: 603: 1300: 1179: 1172: 1112: 1099: 1050: 974: 960: 900: 876: 806: 699: 437: 284: 194: 44: 1420: 1278: 1165: 1083: 1059: 930: 886: 866: 846: 816: 737: 705: 413: 89: 54: 612: 356: 343: 325: 312: 1025: 923: 916: 442: 370: 151: 94: 38: 630: 1414: 1317: 687: 300: 171: 84: 79: 64: 59: 49: 30: 118: 1434: 1350: 1329: 757: 408: 99: 74: 1346: 693: 681: 638: 288: 181: 161: 1391: 381: 769: 380: 304: 1395: 642: 546: 534: 519: 452: 503:
Morawan (Lower Hard Shale Member) (Oligocene of Japan)
1208: 1109: 1065: 985: 941: 897: 882: 872: 862: 852: 842: 832: 822: 812: 802: 792: 782: 753: 743: 733: 530: 528: 1404: 1328: 1299: 1261: 1234: 1207: 1155: 1121: 1108: 1097: 1049: 984: 940: 896: 767: 718: 654: 566:Bulletin of the Ashoro Museum of Paleontology 8: 423:; and extant, semi-aquatic mammals such as 1392: 1216: 1118: 1105: 775: 726: 715: 661: 647: 639: 117: 20: 620: 602: 476: 7: 411:ribs, and very dense, like those of 445:pattern is different from that in 14: 1380: 1374: 138: 279:(named after its type locality 1: 1509:Fossil taxa described in 2000 369:) and were dated to the late 1494:Prehistoric placental genera 604:10.1371/journal.pone.0059146 1525: 128:Hokkaido University Museum 16:Species of mammal (fossil) 1499:Oligocene mammals of Asia 1371: 1219: 778: 729: 714: 676: 283:) is an extinct genus of 254: 247: 135:Scientific classification 133: 125: 116: 23: 510:. Retrieved March 2013. 295:have been found in the 287:, aquatic, herbivorous 492:. Retrieved March 2013 386: 1456:Paleobiology Database 508:Paleobiology Database 490:Paleobiology Database 384: 126:Mounted skeleton in 595:2013PLoSO...859146H 547:Hayashi et al. 2013 535:Hayashi et al. 2013 520:Hayashi et al. 2013 453:Hayashi et al. 2013 405:pachyosteosclerotic 353: /  338:, paleocoordinates 322: /  721:Paenungulatomorpha 670:Paenungulatomorpha 549:, pp. 7–9, 15 387: 1471: 1470: 1443:Open Tree of Life 1406:Ashoroa laticosta 1398:Taxon identifiers 1389: 1388: 1369: 1368: 1365: 1364: 1361: 1360: 1295: 1294: 1203: 1202: 1123:Paleoparadoxiidae 1093: 1092: 1033:Postschizotherium 998:Hengduanshanhyrax 485:Ashoroa laticosta 395:Ashoroa laticosta 297:Morawan Formation 272: 271: 261:Ashoroa laticosta 240:A. laticosta 228: 208:Paleoparadoxiidae 1516: 1504:Fossils of Japan 1464: 1463: 1451: 1450: 1438: 1437: 1425: 1424: 1423: 1393: 1384: 1379: 1378: 1236:Arsinoitheriidae 1217: 1210: 1194:Ounalashkastylus 1119: 1111: 1106: 1067: 987: 943: 899: 884: 874: 864: 854: 844: 834: 824: 814: 804: 794: 784: 776: 755: 745: 735: 727: 716: 663: 656: 649: 640: 634: 624: 606: 573: 550: 544: 538: 532: 523: 517: 511: 499: 493: 481: 459:, together with 385:Skeletal diagram 368: 367: 365: 364: 363: 358: 354: 351: 350: 349: 346: 337: 336: 334: 333: 332: 327: 323: 320: 319: 318: 315: 281:Ashoro, Hokkaido 263: 259: 226: 219: 206: 193: 143: 142: 121: 111: 41: 29:Temporal range: 21: 1524: 1523: 1519: 1518: 1517: 1515: 1514: 1513: 1474: 1473: 1472: 1467: 1459: 1454: 1446: 1441: 1433: 1428: 1419: 1418: 1413: 1400: 1390: 1385: 1373: 1357: 1324: 1291: 1272:Crivadiatherium 1263:Palaeoamasiidae 1257: 1230: 1199: 1151: 1102: 1089: 1045: 980: 945:Titanohyracidae 936: 892: 772: 763: 723: 710: 672: 667: 637: 576: 563: 559: 554: 553: 545: 541: 533: 526: 518: 514: 500: 496: 482: 478: 473: 425:Eurasian beaver 379: 361: 359: 355: 352: 347: 344: 342: 340: 339: 330: 328: 324: 321: 316: 313: 311: 309: 308: 268: 265: 257: 256: 243: 225: 217: 204: 191: 137: 112: 110: 109: 108: 107: 102: 97: 92: 87: 82: 77: 72: 67: 62: 57: 52: 47: 36: 35: 33: 27: 17: 12: 11: 5: 1522: 1520: 1512: 1511: 1506: 1501: 1496: 1491: 1486: 1476: 1475: 1469: 1468: 1466: 1465: 1452: 1439: 1426: 1410: 1408: 1402: 1401: 1396: 1387: 1386: 1372: 1370: 1367: 1366: 1363: 1362: 1359: 1358: 1356: 1355: 1354: 1353: 1343: 1334: 1332: 1326: 1325: 1323: 1322: 1321: 1320: 1314: 1305: 1303: 1297: 1296: 1293: 1292: 1290: 1289: 1282: 1275: 1267: 1265: 1259: 1258: 1256: 1255: 1248: 1245:Arsinoitherium 1240: 1238: 1232: 1231: 1229: 1228: 1220: 1214: 1205: 1204: 1201: 1200: 1198: 1197: 1190: 1187:Kronokotherium 1183: 1176: 1169: 1161: 1159: 1153: 1152: 1150: 1149: 1142: 1139:Paleoparadoxia 1135: 1127: 1125: 1116: 1103: 1098: 1095: 1094: 1091: 1090: 1088: 1087: 1080: 1073: 1063: 1055: 1053: 1047: 1046: 1044: 1043: 1036: 1029: 1022: 1015: 1008: 1001: 993: 991: 982: 981: 979: 978: 971: 964: 957: 949: 947: 938: 937: 935: 934: 927: 920: 913: 905: 903: 894: 893: 891: 890: 880: 870: 860: 850: 840: 830: 820: 810: 800: 790: 779: 773: 768: 765: 764: 762: 761: 751: 741: 730: 724: 719: 712: 711: 709: 708: 702: 696: 690: 684: 677: 674: 673: 668: 666: 665: 658: 651: 643: 636: 635: 574: 560: 558: 555: 552: 551: 539: 524: 512: 494: 475: 474: 472: 469: 465:Paleoparadoxia 433:Paleoparadoxia 420:Paleoparadoxia 378: 375: 357:44.6°N 141.4°E 326:43.3°N 143.8°E 291:. Fossils of 270: 269: 266: 252: 251: 245: 244: 236: 234: 230: 229: 215: 211: 210: 202: 198: 197: 189: 185: 184: 179: 175: 174: 169: 165: 164: 159: 155: 154: 149: 145: 144: 131: 130: 123: 122: 114: 113: 105: 104: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 43: 42: 28: 15: 13: 10: 9: 6: 4: 3: 2: 1521: 1510: 1507: 1505: 1502: 1500: 1497: 1495: 1492: 1490: 1489:Chattian life 1487: 1485: 1484:Desmostylians 1482: 1481: 1479: 1462: 1457: 1453: 1449: 1444: 1440: 1436: 1431: 1427: 1422: 1416: 1412: 1411: 1409: 1407: 1403: 1399: 1394: 1383: 1377: 1352: 1348: 1344: 1342: 1338: 1337: 1336: 1335: 1333: 1331: 1327: 1319: 1315: 1313: 1309: 1308: 1307: 1306: 1304: 1302: 1298: 1288: 1287: 1283: 1281: 1280: 1276: 1274: 1273: 1269: 1268: 1266: 1264: 1260: 1254: 1253: 1249: 1247: 1246: 1242: 1241: 1239: 1237: 1233: 1227: 1226: 1222: 1221: 1218: 1215: 1213: 1206: 1196: 1195: 1191: 1189: 1188: 1184: 1182: 1181: 1177: 1175: 1174: 1170: 1168: 1167: 1163: 1162: 1160: 1158: 1157:Desmostylidae 1154: 1148: 1147: 1143: 1141: 1140: 1136: 1134: 1133: 1129: 1128: 1126: 1124: 1120: 1117: 1114: 1107: 1104: 1101: 1096: 1086: 1085: 1081: 1079: 1078: 1074: 1072: 1071: 1064: 1062: 1061: 1057: 1056: 1054: 1052: 1048: 1042: 1041: 1037: 1035: 1034: 1030: 1028: 1027: 1023: 1021: 1020: 1019:Parapliohyrax 1016: 1014: 1013: 1009: 1007: 1006: 1002: 1000: 999: 995: 994: 992: 990: 989:Pliohyracidae 983: 977: 976: 972: 970: 969: 968:Rupestrohyrax 965: 963: 962: 958: 956: 955: 951: 950: 948: 946: 939: 933: 932: 928: 926: 925: 921: 919: 918: 914: 912: 911: 907: 906: 904: 902: 895: 889: 888: 881: 879: 878: 871: 869: 868: 861: 859: 858: 851: 849: 848: 841: 839: 838: 831: 829: 828: 821: 819: 818: 811: 809: 808: 801: 799: 798: 791: 789: 788: 781: 780: 777: 774: 771: 766: 760: 759: 752: 750: 749: 742: 740: 739: 732: 731: 728: 725: 722: 717: 713: 707: 703: 701: 697: 695: 691: 689: 685: 683: 679: 678: 675: 671: 664: 659: 657: 652: 650: 645: 644: 641: 632: 628: 623: 618: 614: 610: 605: 600: 596: 592: 589:(4): e59146. 588: 584: 580: 575: 571: 567: 562: 561: 556: 548: 543: 540: 536: 531: 529: 525: 521: 516: 513: 509: 505: 504: 498: 495: 491: 487: 486: 480: 477: 470: 468: 466: 462: 458: 454: 450: 448: 444: 440: 439: 434: 430: 426: 422: 421: 416: 415: 410: 406: 402: 398: 396: 391: 383: 376: 374: 372: 366: 335: 306: 302: 298: 294: 290: 286: 282: 278: 277: 267:Inuzuka, 2000 264: 262: 253: 250: 249:Binomial name 246: 242: 241: 235: 232: 231: 227:Inuzuka, 2000 224: 223: 216: 213: 212: 209: 203: 200: 199: 196: 190: 187: 186: 183: 180: 177: 176: 173: 170: 167: 166: 163: 160: 157: 156: 153: 150: 147: 146: 141: 136: 132: 129: 124: 120: 115: 101: 96: 91: 86: 81: 76: 71: 66: 61: 56: 51: 46: 40: 32: 26: 22: 19: 1405: 1286:Palaeoamasia 1284: 1277: 1270: 1250: 1243: 1223: 1212:Embrithopoda 1192: 1185: 1178: 1171: 1164: 1146:Neoparadoxia 1144: 1137: 1131: 1130: 1082: 1075: 1070:Gigantohyrax 1068: 1058: 1038: 1031: 1024: 1017: 1010: 1005:Kvabebihyrax 1003: 996: 973: 966: 959: 952: 929: 922: 915: 908: 885: 875: 865: 857:Saghatherium 855: 845: 835: 825: 815: 805: 795: 787:Dimaitherium 785: 756: 748:Hadrogeneios 746: 736: 704:Superorder: 698:Infraclass: 586: 582: 569: 565: 557:Bibliography 542: 515: 502: 497: 484: 479: 464: 460: 456: 455:interpreted 451: 446: 436: 432: 429:hippopotamus 418: 412: 400: 399: 394: 389: 388: 292: 285:desmostylian 275: 274: 273: 260: 255: 239: 238: 221: 220: 24: 18: 1312:Proboscidea 1301:Proboscidea 1252:Namatherium 1225:Stylolophus 1180:Desmostylus 1173:Cornwallius 1113:Desmostylia 1100:Tethytheria 1077:Heterohyrax 1060:Dendrohyrax 1051:Procaviidae 975:Titanohyrax 961:Antilohyrax 910:Brachyhyrax 901:Geniohyidae 877:Selenohyrax 837:Regubahyrax 807:Megalohyrax 700:Placentalia 522:, p. 2 438:Desmostylus 377:Description 362:44.6; 141.4 360: / 331:43.3; 143.8 329: / 195:Desmostylia 37:28–23  1478:Categories 1279:Hypsamasia 1166:Behemotops 1012:Meroehyrax 931:Pachyhyrax 887:Thyrohyrax 867:Seggeurius 847:Rukwalorax 817:Microhyrax 770:Hyracoidea 738:Abdounodus 706:Afrotheria 537:, Abstract 471:References 461:Behemotops 447:Behemotops 443:trabecular 441:, and the 414:Behemotops 1345:includes 1318:elephants 1316:includes 1026:Pliohyrax 954:Afrohyrax 924:Geniohyus 917:Bunohyrax 827:Namahyrax 797:Helioseus 680:Kingdom: 613:837402105 572:: 91–123. 371:Oligocene 233:Species: 158:Kingdom: 152:Eukaryota 1421:Q4805827 1415:Wikidata 1351:manatees 1084:Procavia 1040:Prohyrax 694:Mammalia 688:Chordata 686:Phylum: 682:Animalia 631:23565143 583:PLOS ONE 409:sirenian 348:141°24′E 317:143°48′E 301:Hokkaido 201:Family: 182:Mammalia 172:Chordata 168:Phylum: 162:Animalia 148:Domain: 31:Chattian 1448:3617752 1435:4968810 1347:dugongs 1341:Sirenia 1330:Sirenia 1132:Ashoroa 758:Ocepeia 692:Class: 622:3615000 591:Bibcode 506:in the 488:in the 457:Ashoroa 401:Ashoroa 390:Ashoroa 345:44°36′N 314:43°18′N 293:Ashoroa 276:Ashoroa 258:† 237:† 222:Ashoroa 214:Genus: 188:Order: 178:Class: 106:↓ 25:Ashoroa 629:  619:  611:  289:mammal 1461:71795 305:Japan 1430:GBIF 1349:and 1339:see 1310:see 627:PMID 609:OCLC 463:and 435:and 427:and 417:and 403:had 45:PreꞒ 617:PMC 599:doi 299:on 1480:: 1458:: 1445:: 1432:: 1417:: 625:. 615:. 607:. 597:. 585:. 581:. 568:. 527:^ 449:. 397:. 373:. 303:, 95:Pg 39:Ma 1209:† 1115:? 1110:† 1066:† 986:† 942:† 898:† 883:† 873:† 863:† 853:† 843:† 833:† 823:† 813:† 803:† 793:† 783:† 754:† 744:† 734:† 662:e 655:t 648:v 633:. 601:: 593:: 587:8 570:1 307:( 218:† 205:† 192:† 100:N 90:K 85:J 80:T 75:P 70:C 65:D 60:S 55:O 50:Ꞓ 34:~

Index

Chattian
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Hokkaido University Museum
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Mammalia
Desmostylia
Paleoparadoxiidae
Ashoroa
Binomial name
Ashoro, Hokkaido
desmostylian
mammal
Morawan Formation

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