141:
599:
120:
558:
674:
545:
640:
689:
694:
383:
is still present to which the generic name is referring. It is the only known fossil that can be definitely assigned to this genus.
379:, about sixty centimetres long. It shows the divisions of at least five and probably seven sacral vertebrae. On three of them the
140:
684:
679:
633:
669:
664:
659:
494:
F. v. Huene, 1926, "The carnivorous
Saurischia in the Jura and Cretaceous formations, principally in Europe",
478:, a new dinosaur from the Hastings Sand, indicated by the sacrum and the neural canal of the sacral region",
704:
337:
626:
513:
699:
571:
229:
397:
352:
311:
304:
135:
576:
563:
610:
429:
272:
30:
380:
308:
653:
392:
322:
288:
70:
455:
446:
372:
315:
261:
205:
598:
364:
360:
284:
110:
106:
45:
451:
441:
425:
90:
55:
536:
433:
356:
300:
152:
119:
95:
39:
606:
530:
437:
368:
344:
333:
268:
185:
172:
85:
80:
65:
60:
50:
550:
336:', a reference to the "extremely thin" bone forming the vertebrae. The
276:
100:
75:
376:
303:, in the nineteenth century acquired a fossil found in the quarry of
162:
507:
424:
have been hard to determine. Seeley himself merely assigned it to
264:
436:. Von Huene however in 1909 considered it to be a member of the
511:
390:, was added by Seeley in 1888, but later given its own genus,
614:
367:. It consist of an elongated natural internal cast or
480:
Quarterly
Journal of the Geological Society of London
520:
408:, but this has not been commonly accepted, because
450:, of which it is not even certain whether it is a
420:Based on such meagre material, the affinities of
299:Dr. A.C. Horner, an amateur geologist living at
260:(THEEK-o-SPON-di-lus, "sheath vertebra") is a
634:
8:
641:
627:
508:
314:who in 1882 described and named it as the
118:
20:
467:
279:. Scientists are unsure as to whether
7:
675:Early Cretaceous dinosaurs of Europe
595:
593:
613:. You can help Knowledge (XXG) by
444:. Recent authors conclude it is a
14:
321:. The genus name is derived from
597:
139:
351:, was found in a layer of the
1:
690:Fossil taxa described in 1882
496:Revista del Museo de La Plata
432:in 1888 referred it to the
721:
695:Taxa named by Harry Seeley
592:
16:Extinct genus of dinosaurs
235:
228:
136:Scientific classification
134:
126:
117:
23:
474:*H.G. Seeley, 1882, "On
609:-related article is a
476:Thecospondylus Horneri
319:Thecospondylus horneri
242:Thecospondylus horneri
572:Paleobiology Database
412:would have priority.
406:Thecocoelurus horneri
328:meaning 'sheath' and
398:Friedrich von Huene
312:Harry Govier Seeley
685:Fossils of England
680:Cretaceous England
386:A second species,
130:neural canal cast
622:
621:
587:
586:
514:Taxon identifiers
253:
252:
209:
712:
670:Valanginian life
665:Hauterivian life
643:
636:
629:
601:
594:
580:
579:
567:
566:
554:
553:
541:
540:
539:
509:
502:
492:
486:
472:
430:Richard Lydekker
359:dating from the
340:honours Horner.
307:. He sent it to
273:Early Cretaceous
244:
240:
204:
197:
144:
143:
122:
105:
42:
31:Early Cretaceous
29:Temporal range:
21:
720:
719:
715:
714:
713:
711:
710:
709:
660:Dinosaur genera
650:
649:
648:
647:
590:
588:
583:
575:
570:
562:
557:
549:
544:
535:
534:
529:
516:
506:
505:
493:
489:
473:
469:
464:
418:
381:cancellous bone
297:
249:
246:
238:
237:
224:
221:T. horneri
203:
195:
138:
113:
104:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
37:
36:
34:
27:
17:
12:
11:
5:
718:
716:
708:
707:
705:Dinosaur stubs
702:
697:
692:
687:
682:
677:
672:
667:
662:
652:
651:
646:
645:
638:
631:
623:
620:
619:
602:
585:
584:
582:
581:
568:
555:
542:
526:
524:
522:Thecospondylus
518:
517:
512:
504:
503:
487:
466:
465:
463:
460:
417:
416:Classification
414:
410:Thecospondylus
309:paleontologist
296:
293:
281:Thecospondylus
257:Thecospondylus
251:
250:
247:
233:
232:
226:
225:
217:
215:
211:
210:
200:Thecospondylus
193:
189:
188:
183:
176:
175:
170:
166:
165:
160:
156:
155:
150:
146:
145:
132:
131:
128:Thecospondylus
124:
123:
115:
114:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
44:
43:
28:
25:Thecospondylus
15:
13:
10:
9:
6:
4:
3:
2:
717:
706:
703:
701:
698:
696:
693:
691:
688:
686:
683:
681:
678:
676:
673:
671:
668:
666:
663:
661:
658:
657:
655:
644:
639:
637:
632:
630:
625:
624:
618:
616:
612:
608:
603:
600:
596:
591:
578:
573:
569:
565:
560:
556:
552:
547:
543:
538:
532:
528:
527:
525:
523:
519:
515:
510:
500:
497:
491:
488:
484:
481:
477:
471:
468:
461:
459:
457:
456:ornithischian
453:
449:
448:
443:
439:
435:
431:
427:
423:
415:
413:
411:
407:
403:
399:
395:
394:
393:Thecocoelurus
389:
384:
382:
378:
374:
370:
366:
362:
358:
354:
353:Hastings Sand
350:
346:
341:
339:
338:specific name
335:
331:
327:
324:
320:
317:
313:
310:
306:
302:
294:
292:
290:
289:ornithischian
286:
282:
278:
274:
270:
266:
263:
259:
258:
245:
243:
234:
231:
230:Binomial name
227:
223:
222:
216:
213:
212:
207:
202:
201:
194:
191:
190:
187:
184:
181:
178:
177:
174:
171:
168:
167:
164:
161:
158:
157:
154:
151:
148:
147:
142:
137:
133:
129:
125:
121:
116:
112:
108:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
41:
38:140β129
32:
26:
22:
19:
700:Nomina dubia
615:expanding it
604:
589:
521:
498:
495:
490:
482:
479:
475:
470:
447:nomen dubium
445:
421:
419:
409:
405:
401:
391:
387:
385:
373:neural canal
348:
342:
329:
325:
318:
316:type species
305:Southborough
298:
280:
256:
255:
254:
248:Seeley, 1882
241:
236:
220:
219:
199:
198:
179:
127:
24:
18:
452:saurischian
365:Hauterivian
361:Valanginian
285:saurischian
111:Hauterivian
107:Valanginian
654:Categories
462:References
442:Coeluridae
426:Dinosauria
422:T. horneri
402:T. horneri
396:. In 1926
388:T. daviesi
349:BMNH R.291
186:Dinosauria
485:: 457-460
434:Sauropoda
357:sandstone
332:meaning '
330:spondylos
301:Tonbridge
271:from the
214:Species:
159:Kingdom:
153:Eukaryota
607:dinosaur
531:Wikidata
501:: 35-167
438:theropod
400:renamed
369:endocast
345:holotype
334:vertebra
269:dinosaur
173:Chordata
169:Phylum:
163:Animalia
149:Domain:
564:1402022
551:4577869
537:Q870974
440:family
375:of the
371:of the
295:History
277:England
262:dubious
239:†
218:†
192:Genus:
454:or an
377:sacrum
287:or an
283:was a
208:, 1882
206:Seeley
605:This
577:56549
559:IRMNG
326:theke
323:Greek
265:genus
180:Clade
611:stub
546:GBIF
343:The
46:Preκ
404:to
275:of
267:of
656::
574::
561::
548::
533::
499:29
483:38
458:.
428:.
363:-
355:,
347:,
291:.
182::
96:Pg
40:Ma
33:,
642:e
635:t
628:v
617:.
196:β
109:-
101:N
91:K
86:J
81:T
76:P
71:C
66:D
61:S
56:O
51:κ
35:~
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
