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Urbión Group

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were recovered, and most of them belong to a single specimen of rebbachisaurid sauropod. The remains were found disarticulated in the same bed and in close proximity to each other. The neural arches of the vertebrae are firmly co−ossified to the centra. There are no anatomically repeated elements, and the bones correspond presumably to a single individual. The relative size of the bones suggests a medium−sized individual whose total length was approximately 10 to 12 metres (33 to 39 ft). In addition, several vertebral centra and femur fragments from a small
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Ten caudal vertebrae, a haemal arch, two ischia and a femur, as well as bone fragments were collected in the site. Excavations were carried out during the years 2002–2004, covering a surface area of some 240 square metres (2,600 sq ft). Approximately 810 skeletal elements and bone fragments
1985:
F. Torcida Fernández, L. A. Izquierdo Montero, P. Huerta Hurtado, D. Montero Huerta, and G. Pérez Martínez. 2003. Dientes de dinosaurios (Theropoda, Sauropoda), en el Cretácico Inferior de Burgos (España) . In F. Pérez Lorente, M. M. Romero Molina & P. Rivas Carrera (eds.), Dinosaurios y Otros
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deposits respectively. The fluvial system of the Castrillo de la Reina Formation shows a braided channel pattern with well developed and drained floodplains. This lithostratigraphic unit belongs to the fifth depositional sequence of the six ones that divide the basin. The age of the fifth
1996:
F. Ortega, J. J. Moratalla, A.G. Buscalioni, J. S. Sanz, S. Jiménez and J. Valbuena. 1996. Sobre la presencia de un cocodrilo fósil (Crocodylomorpha: Neosuchia: Goniopholis sp.) en la Cuenca de Cameros (Cretácico inferior: Vadillos-San Román de Cameroa, La Rioja). Zubía
1992:
X. Pereda Suberbiola, M. Meijide, F. Torcida, J. Welle, C. Fuentes, L. A. Izquierdo, D. Montero, G. Pérez, and V. Urién. 1999. Espinas dermicas del dinosaurio anquilosaurio Polacanthus en las facies Weald de Salas de los Infantes (Burgos, España) . Estudios Geológicos
1853:"Huellas en las obras. Reconocimiento y estudio de huellas fósiles de dinosaurio en las obras de la presa de Enciso (La Rioja. España) - Footprints in the works. Recognition and study of fossil dinosaur footprints in the works of the Enciso dam (La Rioja. Spain)" 550:, outcropping in the provinces of Burgos, Soria and La Rioja. This basin is one of the most subsident basins formed during the rift interval at the end of the Jurassic and the Early Cretaceous, which affected this part of the Iberian Peninsula. 580:
The Tenadas de los Vallejos II site was discovered in 1999 during prospection work carried out by the Archaeological−Palaeontological Group of Salas de los Infantes (Colectivo Arqueológico−Paleontológico de Salas de los Infantes, CAS).
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were recovered in the "Tenadas de los Vallejos II" quarry, located 10 kilometres (6.2 mi) southwest of the town of Salas de los Infantes (Province of Burgos, northern Spain). In geological terms, this area lies within the western
1981:
J. I. Ruiz Omeñaca and J. I. Canudo. 2003. Dinosaurios (Saurischia, Ornithischia) en el Barremiense (Cretácico Inferior) de la península Ibérica . In F. Pérez Lorente (ed.), Dinosaurios y Otros Reptiles Mesozóicos de España
1974:
P. Ansorena, I. Díaz Martínez, and F. Pérez Lorente. 2008. Mina Victoria (Navajún) y Valdeperillo (Cornago). Nuevos yacimientos de icnitas de dinosaurio en El Grupo de Urbión (Cuenca de Cameros. La Rioja. España) . Zubía
1970:
A. Pérez-García and X. Murelaga. 2012. Larachelus morla, gen. et sp. nov., a new member of the little-known European Early Cretaceous record of stem cryptodiran turtles. Journal of Vertebrate Paleontology
1989:
F. Pérez Lorente. 2002. La distribución de yacimientos y de tipos de huellas de dinosaurios en la Cuenca de Cameroa (La Rioja, Burgos, Soria, España) . Zubia Monográfico 14:191-210
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Reptiles Mesozoicos en España. Congreso Internacional sobre Dinosaurios y otros Reptiles Mesozoicos en España, Logroño 335-346
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F. Torcida Fernández Baldor. 2005. Los dinosaurios de Castilla y León . Patrimonio Histórico de Castilla y León 6(23):23-34
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Torcida Fernández-Baldor, F.; Canudo, J.I.; Huerta, P.; Montero, D.; Pereda Suberbiola, X.; Salgado, L. (2011).
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and comprise red clay beds intercalated with sheet−like sandstone channel fills that are interpreted as
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Dinosaur remains are among the fossils that have been recovered from the formation.
1930: 1883:, a new rebbachisaurid sauropod from the Early Cretaceous of the Iberian Peninsula" 1572: 1110: 1032: 678: 517: 503: 457: 168: 158: 1938: 1835: 1810: 1688: 1400: 1305: 695: 657: 643: 632: 429: 46: 28: 1919: 1721: 1621: 1601: 1487: 1344: 1255: 813: 688: 621: 604:
Among others, the following fossils have been reported from the Urbión Group:
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depositional sequence is Late Barremian to Early Aptian as is suggested by
1943:(2nd ed.). Berkeley: University of California Press. pp. 1–880. 1901: 593: 571: 86: 81: 66: 61: 51: 1914: 1681: 507: 461: 101: 76: 975: 894: 553:
The sediments of the Tenadas de los Vallejos II quarry belong to the
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Material was copied from this source, which is available under a
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vertebrae and a crocodile tooth were recovered from the site.
818: 436:. The formations of the group comprise a sequence of brown 546:, which is located in the north−westernmost part of the 1920:
Creative Commons Attribution 4.0 International License
349: 344: 330: 312: 290: 251: 212: 207: 193: 179: 174: 164: 154: 132: 122: 18: 1784: 1782: 117:Lake Urbíon near the summit of Pico del Urbión 8: 1851:Melero Rubio, M.; Pérez Lorente, F. (2011). 1788:Melero Rubio & Pérez Lorente, 2011, p.31 502:deposited under terrestrial conditions, in 456:deposited under terrestrial conditions, in 715: 520:is exposed at the Presa Enciso tracksite. 111: 15: 1900: 1768:List of dinosaur-bearing rock formations 1778: 424:, Spain whose strata date back to the 1612: 932: 872: 7: 390: 381: 372: 1797:Weishampel et al., 2004, pp.556-563 478:The Urbión Group, named after the 14: 2021:Lower Cretaceous Series of Europe 717:Early Cretaceous stratigraphy of 1913: 1807:Presa de Enciso tracksite (2PRE) 1752: 1738: 1724: 1492: 1310: 482:, comprises a sequence of brown 389: 380: 371: 364: 317: 638:Castrillo de la Reina Formation 555:Castrillo de la Reina Formation 516:The contact with the overlying 627:Pinilla de los Moros Formation 616:Pinilla de los Moros Formation 1: 2086:Geography of La Rioja (Spain) 2081:Geography of Castile and León 2071:Ichnofossiliferous formations 1888:Acta Palaeontologica Polonica 149:Piedrahita de Muñó Formations 2016:Geologic formations of Spain 253:Approximate paleocoordinates 1822:Torcida et al., 2011, p.537 2102: 1705: 1670: 1361: 1299: 817: 2011:Geologic groups of Europe 1665: 1645: 1632: 1619: 1599: 1592: 1587: 1561: 1554: 1547: 1532: 1516: 1498: 1491: 1486: 1477: 1446: 1404: 1399: 1383: 1374: 1363: 1354: 1334: 1327: 1316: 1309: 1304: 1276: 1247: 1240: 1233: 1226: 1217: 1168: 1154: 1149: 1131: 1119: 1065: 979: 974: 970: 941: 909: 893: 888: 858: 856: 854: 852: 850: 838: 831: 812: 807: 674:Hypsilophodontidae indet. 359: 110: 23: 1937:, Halszka, eds. (2004). 2056:Conglomerate formations 823: 702:Brachyguanodonipus sp. 669:Crocodyliformes indet. 611:Chitracephalus dumonii 2076:Paleontology in Spain 1902:10.4202/app.2010.0003 1881:Demandasaurus darwini 1732:Earth sciences portal 822: 684:Rhabdodontidae indet. 633:Europatitan eastwoodi 530:Demandasaurus darwini 486:in a matrix of black 440:in a matrix of black 141:Castrillo de la Reina 2046:Sandstone formations 2041:Limestone formations 664:Baryonychinae indet. 535:The fossil bones of 398:Urbión Group (Spain) 339:Sierra de la Demanda 137:Pinilla de los Moros 127:Geological formation 1746:Paleontology portal 1674:Major fossiliferous 721: 679:Iguanodontia indet. 271: /  232: /  25:Stratigraphic range 1689:ichnofossiliferous 824: 716: 2061:Alluvial deposits 2036:Hauterivian Stage 1712: 1711: 1701: 1661: 1624: 1604: 1583: 1566: 1559: 1539: 1528: 1521: 1514: 1507: 1482: 1466: 1451: 1444: 1431: 1409: 1395: 1379: 1370: 1359: 1352: 1332: 1325: 1238: 1215: 1206: 1166: 1159: 1145: 1138: 1129: 1117: 1106: 1099: 1086: 1079: 1063: 1029: 1020: 1013: 1006: 988: 968: 955: 921: 914: 907: 884: 870: 848: 836: 733:Paleomap \ Basins 689:Testudines indet. 406: 405: 303:Castille and León 2093: 2066:Fluvial deposits 2051:Shale formations 2026:Cretaceous Spain 1960: 1958: 1957: 1917: 1912: 1910: 1909: 1904: 1873: 1871: 1870: 1839: 1829: 1823: 1820: 1814: 1804: 1798: 1795: 1789: 1786: 1762: 1760:Dinosaurs portal 1757: 1756: 1755: 1748: 1743: 1742: 1741: 1734: 1729: 1728: 1727: 1699: 1657: 1620: 1600: 1571: 1562: 1555: 1535: 1524: 1517: 1510: 1499: 1496: 1478: 1462: 1447: 1436: 1423: 1405: 1391: 1375: 1364: 1355: 1348: 1328: 1321: 1314: 1234: 1211: 1202: 1162: 1155: 1141: 1132: 1125: 1109: 1102: 1091: 1082: 1073: 1059: 1025: 1016: 1009: 1002: 980: 960: 951: 917: 910: 899: 880: 866: 844: 832: 803: 796: 789: 782: 775: 768: 761: 754: 747: 740: 722: 622:Larachelus morla 430:late Hauterivian 426:Early Cretaceous 418:Castile and León 412:is a geological 393: 392: 384: 383: 375: 374: 368: 323: 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791: 788: 787:South Iberian 784: 781: 777: 774: 770: 767: 763: 760: 756: 753: 749: 746: 742: 739: 735: 732: 729: 727: 724: 723: 720: 711: 704: 703: 699: 698: 697: 694: 693: 690: 687: 685: 682: 680: 677: 675: 672: 670: 667: 665: 662: 660: 659: 655: 653: 652: 651:Lepidotes sp. 648: 646: 645: 641: 639: 635: 634: 630: 628: 624: 623: 619: 617: 613: 612: 608: 607: 605: 600:Other fossils 599: 597: 595: 592: 588: 582: 578: 576: 573: 569: 564: 560: 556: 551: 549: 548:Iberian Range 545: 544:Cameros Basin 540: 539: 538:Demandasaurus 531: 528: 523: 521: 519: 514: 512: 509: 505: 501: 500:conglomerates 497: 493: 489: 485: 481: 473: 471: 468: 466: 463: 459: 455: 454:conglomerates 451: 447: 443: 439: 435: 431: 427: 423: 419: 415: 411: 367: 358: 355: 352: 348: 343: 340: 336: 335:Cameros Basin 333: 329: 326: 315: 311: 308: 304: 300: 296: 293: 289: 284: 256: 254: 250: 245: 217: 215: 211: 206: 203: 199: 196: 192: 189: 185: 182: 178: 173: 170: 167: 163: 160: 157: 153: 150: 146: 142: 138: 135: 131: 128: 125: 121: 114: 109: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 42: 39:130–121  34: 30: 26: 22: 17: 1954:. Retrieved 1939: 1929:, David B.; 1906:. Retrieved 1892: 1886: 1880: 1867:. Retrieved 1862: 1856: 1845:Bibliography 1832:Urbión Group 1827: 1818: 1802: 1793: 1713: 1693: 1687: 1680: 1679: 1671: 1666: 1646: 1634: 1633: 1626: 1613: 1606: 1593: 1556: 1548: 1541: 1518: 1470: 1469: 1453: 1416: 1412: 1384: 1376: 1336: 1335: 1317: 1300: 1285: 1284: 1277: 1266: 1259: 1248: 1236:Moutonianum 1227: 1219: 1218: 1193: 1181: 1169: 1066: 1043: 1036: 995: 942: 933: 928:Monte Grande 926: 889: 808: 700: 696:ichnofossils 656: 649: 642: 631: 620: 609: 603: 583: 579: 552: 536: 534: 529: 518:Enciso Group 515: 511:environments 504:alluvial fan 477: 469: 465:environments 458:alluvial fan 410:Urbión Group 409: 407: 345:Type section 275:32.4°N 9.0°E 236:42.1°N 2.3°W 202:conglomerate 169:Oncala Group 159:Enciso Group 19:Urbión Group 1975:25–26:75-96 1836:Fossilworks 1811:Fossilworks 1401:Valanginian 1306:Hauterivian 1157:Vega de Pas 712:Correlation 591:spinosaurid 474:Description 278: / 239: / 214:Coordinates 2005:Categories 1997:14:113-120 1993:55:267-272 1956:2019-02-21 1927:Weishampel 1908:2019-10-09 1869:2019-10-12 1774:References 1615:Higuereles 1512:Valdeprado 1488:Berriasian 1455:Piedrahita 1442:Hortigüela 1429:Hortigüela 1287:Camarillas 1093:Patrocinio 986:Tellamendi 846:Mosquerela 814:Cenomanian 801:Lusitanian 759:Maestrazgo 738:Cantabrian 587:ornithopod 568:charophyte 559:floodplain 496:claystones 492:sandstones 484:limestones 450:claystones 446:sandstones 438:limestones 241:42.1; -2.3 1933:, Peter; 1649:Arzobispo 1589:Tithonian 1577:Huérteles 1550:Arzobispo 1480:Miravetes 1338:Castellar 1242:Papo Seco 1196:Huérguina 1151:Barremian 1136:Bedoulian 1127:Villaroya 1061:Villaroya 997:Castrillo 982:Valmaseda 919:Traiguera 905:Balmaseda 828:La Cabana 794:Pre-betic 350:Named for 280:32.4; 9.0 198:Claystone 188:sandstone 184:Limestone 175:Lithology 155:Underlies 133:Sub-units 1935:Osmólska 1718:See also 1637:Lourinhã 1622:Tera Gp. 1602:Tera Gp. 1526:Alfambra 1464:Peñacoba 1366:Porto da 1357:Villares 1345:Tera Gp. 1294:Mirambel 1256:Tera Gp. 1143:Figueira 1084:Almargem 1011:Benassal 1004:Benassal 874:Utrillas 868:Altamira 840:Utrillas 594:theropod 572:ostracod 422:La Rioja 307:La Rioja 208:Location 165:Overlies 1982:269-312 1865:: 31–60 1707:Sources 1595:Lastres 1537:TdL Gp. 1501:Cab Gp. 1449:Ped Gp. 1438:Ped Gp. 1425:Ped Gp. 1418:Larriba 1407:Villaro 1350:Pinilla 1330:Llacova 1323:Pinilla 1261:Golmayo 1229:Collado 1221:Artoles 1204:Assises 1121:Forcall 1068:Morella 1045:Morella 945:Escucha 936:Escucha 834:Sopeira 780:Morella 752:Cameros 508:fluvial 462:fluvial 313:Country 263:32°24′N 224:42°06′N 180:Primary 145:Larriba 1947:  1931:Dodson 1667:Legend 1659:Ágreda 1628:Magaña 1608:Magaña 1573:On Gp. 1557:hiatus 1543:Rupelo 1519:hiatus 1505:Arcera 1413:Ur Gp. 1386:Huerva 1377:hiatus 1368:Calada 1318:Ur Gp. 1268:Alacón 1250:Rúbies 1183:Alacón 1171:Abejar 1115:Jubela 1111:En Gp. 1104:Senyús 1097:Ernaga 1055:Oliete 1050:Oliete 1033:En Gp. 992:Ol Gp. 976:Aptian 962:Itxina 953:Jijona 901:Ullaga 895:Albian 882:Eguino 766:Oliete 745:Olanyà 719:Iberia 589:, two 331:Extent 322:  297:& 295:Burgos 291:Region 266:9°00′E 227:2°18′W 147:& 1858:Zubía 1564:Tollo 1472:Galve 1393:Gaita 1279:Blesa 1272:Blesa 1213:Prada 1134:Upper 1077:Rojas 1075:Capas 1018:Olhos 966:Miono 912:Lluçà 773:Galve 414:group 325:Spain 194:Other 1945:ISBN 1838:.org 1813:.org 1189:Xert 1177:Xert 1164:Cabó 1038:Leza 1027:Font 570:and 561:and 506:and 498:and 488:silt 460:and 452:and 442:silt 420:and 408:The 123:Type 47:PreꞒ 1897:doi 1834:at 1809:at 1301:150 903:- 890:125 809:100 730:Age 432:to 416:in 2007:: 1893:56 1891:. 1885:. 1863:29 1861:. 1855:. 1781:^ 1698:, 1692:, 1686:, 1678:, 1625:- 1605:- 1575:- 1540:- 1503:- 1452:- 1440:- 1427:- 1415:- 1347:- 1320:- 1258:- 1113:- 1095:- 1035:- 994:- 984:- 964:- 726:Ma 636:- 625:- 614:- 577:. 513:. 494:, 490:, 467:. 448:, 444:, 337:, 301:, 200:, 186:, 143:, 139:, 97:Pg 41:Ma 27:: 1959:. 1922:. 1911:. 1899:: 1879:" 1872:. 1270:/ 1048:/ 428:( 102:N 92:K 87:J 82:T 77:P 72:C 67:D 62:S 57:O 52:Ꞓ 36:~ 31:-

Index

Stratigraphic range
Late Hauterivian
late Barremian
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Geological formation
Pinilla de los Moros
Castrillo de la Reina
Larriba
Piedrahita de Muñó Formations
Enciso Group
Oncala Group
Limestone
sandstone
Claystone
conglomerate
Coordinates
42°06′N 2°18′W / 42.1°N 2.3°W / 42.1; -2.3

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