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Balanoff, A.M.; Norell, M.A.; Grellet-Tinner, G.; Lewin, M.R. (2008). "Digital preparation of a probable neoceratopsian preserved within an egg, with comments on microstructural anatomy of ornithischian eggshells".
386:
has convinced the authors that the frill was not used for display, and that the fossils " at a more complex evolutionary history for ceratopsian frills". Furthermore, Yamaceratops has been dated to either
405:, but not Liaoceratops. While there are many similarities between all four specimens, placing any into a specific family can be extremely difficult, and hotly contested between research teams.
2110:
347:, but the age was reevaluated in 2009. It was a relatively small dinosaur, reaching 50 cm (1.6 ft) in length and 2 kg (4.4 lb) in body mass.
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found in 2014 at the
Khugenetjavkhlant ("Khugenslavkhant") locality. This probably three years old specimen, MPC-D 100/553, was described in detail in 2022.
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and associated redbeds at Shine Us Khudag (eastern Gobi, Dorngobi
Province, Mongolia) to the restricted Javkhlant Formation (Upper Cretaceous)"
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Eberth, David A.; Kobayashi, Yoshitsugu; Lee, Yuong-Nam; Mateus, Octávio; Therrien, François; Zelenitsky, Darla K.; Norell, Mark A. (2009).
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358:, was described by P. J. Makovicky and M. A. Norell in September, 2006. The authors consider the animal to have had an intermediate
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Varricchio D.J., Balanoff A.M., Norell M.A., 2015, "Reidentification of Avian
Embryonic Remains from the Cretaceous of Mongolia",
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674:"A juvenile Yamaceratops dorngobiensis (Ornithischia, Ceratopsia) from the Upper Cretaceous Javkhlant Formation of Mongolia"
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2014:
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696:"A new juvenile Yamaceratops (Dinosauria, Ceratopsia) from the Javkhlant Formation (Upper Cretaceous) of Mongolia"
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consists of a partial skull; other material has been found in 2002 and 2003 and has been ascribed to the genus.
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is common, was in 2008 referred to this genus. However, in 2015 it was reidentified as a bird embryo.
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Son, M.; Lee, Y.-M.; Zorigt, B.; Kobayashi, Y.; Park, J.-Y.; Lee, S.; Kim, S.-H.; Lee, K. Y. (2022).
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Dinosaur
Mailing List announcement of the description (contains full abstract of the paper)
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Son, M.; Lee, Y.-N.; Zorit, B.; Park, J.-Y.; Lee, S.; Kim, S.-H.; Lee, K.-Y. (2020).
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A fossilized embryo found within an ornithischian eggshell from sediments where
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In 2020 Minyoung Son and colleagues reported a juvenile specimen of
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10.1206/0003-0082(2006)3530[1:YDANPC]2.0.CO;2
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570:Makovicky, Peter J.; Norell, Mark A. (2006).
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538:. Princeton University Press. p. 279.
399:. This likely predated Archaeoceratops and
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419:deity; the species name to the Eastern
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535:The Princeton Field Guide to Dinosaurs
16:Extinct genus of ceratopsian dinosaur
7:
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2178:. You can help Knowledge (XXG) by
681:Journal of Vertebrate Paleontology
499:Journal of Vertebrate Paleontology
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2235:Late Cretaceous dinosaurs of Asia
754:Description and Image (in German)
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2019:
2013:
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470:Timeline of ceratopsian research
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511:10.1080/02724634.2009.10010384
1:
2240:Fossil taxa described in 2006
683:. Program and Abstracts: 311.
293:Makovicky & Norell, 2006
270:Makovicky & Norell, 2006
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574:Yamaceratops dorngobiensis
493:Yamaceratops dorngobiensis
395:, to even as early as mid-
356:Yamaceratops dorngobiensis
339:period in what is now the
288:Yamaceratops dorngobiensis
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2245:Taxa named by Mark Norell
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583:American Museum Novitates
532:Paul, Gregory S. (2016).
408:The genus name refers to
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137:Scientific classification
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2170:This article related to
19:Not to be confused with
990:Micropachycephalosaurus
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304:Juvenile MPC-D 100 553
2137:Paleobiology Database
378:. Examination of the
360:phylogenetic position
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2230:Ornithischian genera
2250:Ornithischian stubs
1155:Archaeoceratopsidae
713:10.7717/peerj.13176
619:2008NW.....95..493B
607:Naturwissenschaften
341:Javkhlant Formation
1875:Crittendenceratops
1825:Albertaceratopsini
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36:Temporal range:
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1038:Xuanhuaceratops
1024:Hualianceratops
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983:Albalophosaurus
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872:Avemetatarsalia
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337:Late Cretaceous
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1492:
1488:
1484:
1479:
1475:
1466:
1460:
1422:
1421:
1420:
1419:
1417:
1415:
1411:
1405:
1404:
1400:
1398:
1397:
1393:
1390:
1389:
1385:
1384:
1381:
1378:
1376:
1375:Ceratopsoidea
1372:
1366:
1365:
1364:Protoceratops
1361:
1359:
1358:
1357:Breviceratops
1354:
1352:
1351:
1347:
1344:
1343:
1339:
1338:
1336:
1334:
1330:
1327:
1325:
1321:
1315:
1314:
1310:
1308:
1307:
1303:
1301:
1300:
1299:Udanoceratops
1296:
1294:
1293:
1292:Prenoceratops
1289:
1287:
1286:
1282:
1280:
1279:
1278:Leptoceratops
1275:
1273:
1272:
1268:
1266:
1265:
1261:
1259:
1258:
1254:
1252:
1251:
1247:
1245:
1244:
1240:
1238:
1237:
1236:Bainoceratops
1233:
1231:
1230:
1226:
1225:
1223:
1221:
1217:
1211:
1210:
1206:
1205:
1202:
1199:
1196:
1191:
1180:
1179:
1175:
1173:
1172:
1171:Helioceratops
1168:
1166:
1165:
1161:
1160:
1158:
1156:
1152:
1146:
1145:
1141:
1139:
1138:
1137:Mosaiceratops
1134:
1132:
1131:
1127:
1125:
1124:
1120:
1117:
1116:
1112:
1110:
1109:
1108:Koreaceratops
1105:
1103:
1102:
1098:
1096:
1095:
1091:
1089:
1088:
1084:
1081:
1080:
1076:
1075:
1072:
1068:
1065:
1062:
1061:Neoceratopsia
1057:
1047:
1046:
1042:
1040:
1039:
1035:
1033:
1032:
1028:
1026:
1025:
1021:
1019:
1018:
1014:
1013:
1011:
1009:
1005:
999:
998:
994:
992:
991:
987:
985:
984:
980:
979:
976:
972:
969:
966:
961:
957:
953:
948:
944:
919:
918:
917:
916:
914:
912:
908:
900:
896:
895:
894:
893:
890:
887:
885:
881:
873:
869:
868:
867:
866:
863:
860:
858:
854:
850:
842:
838:
835:
833:
829:
826:
824:
820:
817:
815:
811:
809:
805:
804:
799:
795:
791:
784:
779:
777:
772:
770:
765:
764:
761:
755:
752:
750:
747:
746:
742:
733:
729:
724:
719:
714:
709:
705:
701:
697:
690:
687:
682:
675:
668:
665:
662:(6): e0128458
661:
658:
652:
649:
644:
640:
636:
632:
628:
624:
620:
616:
612:
608:
600:
597:
592:
588:
584:
577:
575:
566:
564:
560:
555:
551:
547:
541:
537:
536:
528:
525:
520:
516:
512:
508:
504:
500:
496:
494:
485:
482:
475:
471:
468:
467:
463:
452:
447:
445:
443:
438:
436:
431:
429:
426:
422:
418:
415:
411:
406:
404:
403:
402:Helioceratops
398:
394:
390:
385:
381:
377:
373:
372:
367:
366:
361:
357:
353:
348:
346:
342:
338:
334:
330:
327:of primitive
326:
322:
321:
314:
310:
302:
290:
289:
281:
278:
274:
267:
266:
259:
256:
255:
252:
251:Neoceratopsia
246:
243:
240:
239:
236:
230:
227:
224:
223:
220:
214:
211:
208:
207:
204:
198:
195:
192:
191:
188:
185:
182:
179:
178:
175:
172:
169:
168:
165:
162:
159:
158:
155:
152:
149:
148:
143:
138:
134:
129:
125:
120:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
39:
33:
29:
26:
22:
2225:Ceratopsians
2180:expanding it
2169:
2154:
2074:Yamaceratops
2073:
1986:
1981:Stellasaurus
1979:
1972:
1965:
1944:
1937:
1932:Coronosaurus
1930:
1925:Centrosaurus
1923:
1894:
1887:
1880:
1873:
1866:
1846:
1841:Lokiceratops
1839:
1832:
1814:Xenoceratops
1812:
1805:
1800:Sinoceratops
1798:
1791:
1784:
1777:
1749:
1742:
1735:
1727:
1720:
1713:
1708:Nedoceratops
1706:
1699:
1681:Vagaceratops
1679:
1674:Utahceratops
1672:
1667:Terminocavus
1665:
1658:
1651:
1644:
1637:
1630:
1623:
1618:Judiceratops
1616:
1609:
1604:Chasmosaurus
1602:
1595:
1588:
1581:
1574:
1567:
1543:
1536:
1529:
1522:
1515:
1508:
1496:Ceratopsidae
1483:Ceratopsidae
1414:Ceratopsidae
1403:Zuniceratops
1401:
1394:
1388:Ajkaceratops
1386:
1362:
1355:
1350:Bagaceratops
1348:
1342:Ajkaceratops
1340:
1324:Coronosauria
1311:
1304:
1297:
1290:
1283:
1276:
1269:
1262:
1255:
1248:
1241:
1234:
1229:Asiaceratops
1227:
1207:
1195:Euceratopsia
1178:Yamaceratops
1177:
1176:
1169:
1162:
1142:
1135:
1130:Microceratus
1128:
1123:Liaoceratops
1121:
1113:
1106:
1099:
1092:
1085:
1079:Ajkaceratops
1077:
1043:
1036:
1029:
1022:
1015:
995:
988:
981:
899:Ornithischia
884:Ornithischia
836:
832:Ornithischia
827:
818:
703:
699:
689:
680:
667:
659:
656:
651:
610:
606:
599:
582:
573:
534:
527:
502:
498:
492:
484:
442:Yamaceratops
441:
439:
435:Yamaceratops
434:
432:
428:IGM 100/1315
427:
407:
400:
384:Yamaceratops
383:
376:Neoceratopia
369:
365:Liaoceratops
363:
355:
352:type species
349:
320:Yamaceratops
319:
318:
317:
287:
286:
277:Type species
265:Yamaceratops
264:
263:
241:
225:
209:
203:Ornithischia
193:
180:
32:Yamaceratops
31:
25:
21:Lamaceratops
2172:ceratopsian
1974:Einiosaurus
1868:Avaceratops
1751:Triceratops
1715:Ojoceratops
1538:Monoclonius
1250:Ferrisaurus
1115:Kulceratops
335:during the
329:ceratopsian
2219:Categories
2037:See also:
1744:Torosaurus
1660:Spiclypeus
1510:Agathaumas
1423:see below↓
1243:Cerasinops
1031:Stenopelix
965:Ceratopsia
952:Ceratopsia
920:see below↓
911:Ceratopsia
823:Dinosauria
790:Ceratopsia
706:: e13176.
476:References
235:Ceratopsia
187:Dinosauria
806:Kingdom:
554:985402380
519:197540125
397:Barremian
160:Kingdom:
154:Eukaryota
45:Santonian
2083:Wikidata
2049:Category
2039:Timeline
1545:Polyonax
1531:Dysganus
1524:Ceratops
1087:Aquilops
814:Chordata
812:Phylum:
808:Animalia
732:35402094
657:PLoS ONE
635:18347769
448:See also
425:holotype
417:Buddhist
362:between
174:Chordata
170:Phylum:
164:Animalia
150:Domain:
2129:4946425
2116:1479344
2103:4965793
2089:Q132517
1939:Spinops
1257:Gremlin
1045:Yinlong
723:8992648
643:6421080
615:Bibcode
414:Tibetan
391:-early
374:within
257:Genus:
111:↓
730:
720:
641:
633:
552:
542:
517:
423:. The
393:Albian
389:Aptian
2142:85967
2111:IRMNG
837:Clade
828:Clade
819:Clade
700:PeerJ
677:(PDF)
639:S2CID
579:(PDF)
515:S2CID
380:frill
325:genus
323:is a
242:Clade
226:Clade
210:Clade
194:Clade
181:Clade
2176:stub
2098:GBIF
897:see
870:see
728:PMID
631:PMID
550:OCLC
540:ISBN
421:Gobi
412:, a
410:Yama
368:and
350:The
333:Asia
50:PreꞒ
1101:Beg
718:PMC
708:doi
623:doi
587:doi
507:doi
382:of
2221::
2139::
2126::
2113::
2100::
2085::
839::
830::
821::
726:.
716:.
704:10
702:.
698:.
679:.
660:10
637:.
629:.
621:.
611:95
609:.
581:.
562:^
548:.
513:.
503:29
501:.
497:.
354:,
244::
228::
212::
196::
183::
100:Pg
2207:e
2200:t
2193:v
2182:.
1949:?
1732:?
1391:?
1345:?
1181:?
1118:?
1082:?
782:e
775:t
768:v
734:.
710::
645:.
625::
617::
593:.
589::
572:"
556:.
521:.
509::
284:†
261:†
248:†
232:†
216:†
200:†
105:N
95:K
90:J
85:T
80:P
75:C
70:D
65:S
60:O
55:Ꞓ
42:~
40:,
23:.
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