407:
136:
118:
350:. Three pairs of ribs were found associated with presacrals II-IV. The hind limbs are remarkably well-preserved and are slenderly built, with an approximate total length of 116 mm. Its hind feet have the
319:
slab. Its total body length (from snout to vent) is estimated at 94 mm. It differs morphologically in many respects from all other discoglossids, including the number of presacral
745:
587:
Gao, Ke-Qin; Wang, Yuan (2001). "Mesozoic anurans from
Liaoning Province, China, and phylogenetic relationships of archaeobatrachian anuran clades".
732:
809:
824:
819:
331:. This shows that the taxon diverged early from the stem and evolved separately as a distinct lineage by the Early Cretaceous in East Asia.
804:
290:
688:
799:
420:
135:
444:
Yuan, W.; Keqin, G.; Xing, X. (2000). "Early evolution of discoglossid frogs: new evidence from the
Mesozoic of China".
294:
600:
814:
700:
645:"A New Crown-Group Frog (Amphibia: Anura) from the Early Cretaceous of Northeastern Inner Mongolia, China"
771:
238:
622:
550:
507:
453:
378:", in a 2017 phylogenetic analysis it was found to be a crown group frog which was more derived than
323:(9 instead of the usual 8) and other primitive characters. Although it had a mosaic of primitive and
412:
300:
As frogs are rarely found as articulated skeletons in the fossil record, the discovery of this new
346:. The vertebral column consists of nine presacral vertebrae, a single sacral vertebra, and a free
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320:
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30:
498:
Gao, Ke-Qin; Wang, Yuan (1999). "Earliest Asian discoglossid frog from western
Liaoning".
554:
511:
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197:
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bears 18-20 slender and conical teeth, and the maxilla bears approximately 40-50 fine
297:. It was discovered in the Sihetun locality of the western part of Liaoning province.
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374:, this has been rejected by other authors. While originally suggested to be a "
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53:
664:
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147:
117:
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formula 2-2-3-4-3, with its fourth digit being the longest at 27 mm.
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The skull is described as being short and wide and is well preserved. The
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characters, it can be unequivocally placed as the most basal taxon of the
717:
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311:, IVPP V11525, is known from a nearly complete skeleton exposed in a
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region is less well-preserved but it can be determined that each
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187:
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689:"Chinese frog discovery sheds light on amphibians' evolution"
601:
10.1671/0272-4634(2001)021[0460:maflpc]2.0.co;2
541:
Pan, Gu (1999). "New advance in fossil anuran study".
304:
has provided important insight into anuran evolution.
707:
623:"China Yields East Asia's Earliest Fossilized Frog"
361:was announced in Chinese media as "sanyanlichan".
8:
289:. It was described in 1999 by K. Gao of the
695:
116:
20:
643:Gao, Ke-Qin; Chen, Jianye (2017-03-14).
625:. English.peopledaily.com.cn. 2001-11-20
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589:Journal of Vertebrate Paleontology
364:While some authors have suggested
291:American Museum of Natural History
14:
405:
134:
421:List of prehistoric amphibians
1:
810:Fossil taxa described in 1999
825:Prehistoric animals of China
820:Prehistoric amphibian genera
805:Mesozoic amphibians of Asia
295:Chinese Academy of Sciences
841:
251:Callobatrachus sanyanensis
649:American Museum Novitates
395:and more advanced frogs.
244:
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131:Scientific classification
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124:
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23:
543:Chinese Science Bulletin
357:Before its description,
125:Artist's reconstruction
269:is an extinct genus of
800:Early Cretaceous frogs
16:Extinct genus of frogs
772:Paleobiology Database
466:10.1007/s001140050753
691:from ABC News Online
257:Wang & Gao, 1999
217:Wang & Gao, 1999
555:1999ChSBu..44..589P
512:1999ChSBu..44..636W
458:2000NW.....87..417W
446:Naturwissenschaften
413:Paleontology portal
293:and Y. Wang of the
230:C. sanyanensis
563:10.1007/bf03182713
520:10.1007/BF03182726
787:
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759:Open Tree of Life
701:Taxon identifiers
391:but less so than
344:pedicellate teeth
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368:is a synonym of
279:Yixian Formation
275:Early Cretaceous
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31:Early Cretaceous
29:Temporal range:
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709:Callobatrachus
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683:External links
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657:10.1206/3876.1
651:(3876): 1β39.
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452:(9): 417β420.
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366:Callobatrachus
359:Callobatrachus
266:Callobatrachus
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815:Painted frogs
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371:Liaobatrachus
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239:Binomial name
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627:. Retrieved
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794:Categories
629:2013-06-03
549:(7): 589.
427:References
352:phalangeal
340:premaxilla
315:view on a
665:0003-0082
528:128573003
387:Leiopelma
336:maxillary
321:vertebrae
273:from the
223:Species:
154:Kingdom:
148:Eukaryota
36:125
724:Q2122942
718:Wikidata
673:44121192
609:56151115
571:98683213
482:86706773
474:11091967
399:See also
381:Ascaphus
348:urostyle
309:holotype
283:Liaoning
194:Family:
178:Amphibia
168:Chordata
164:Phylum:
158:Animalia
144:Domain:
764:4133719
751:1134481
738:4816597
551:Bibcode
508:Bibcode
454:Bibcode
393:alytids
325:derived
248:†
227:†
204:Genus:
184:Order:
174:Class:
105:↓
671:
663:
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569:
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480:
472:
313:dorsal
777:81736
746:IRMNG
669:S2CID
605:S2CID
567:S2CID
524:S2CID
478:S2CID
329:clade
317:shale
302:taxon
287:China
277:-age
188:Anura
733:GBIF
661:ISSN
470:PMID
384:and
307:The
271:frog
44:Preκ
653:doi
597:doi
559:doi
516:doi
462:doi
281:of
796::
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593:21
591:.
579:^
565:.
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522:.
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490:^
476:.
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450:87
448:.
434:^
285:,
94:Pg
38:Ma
33:,
675:.
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561::
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510::
484:.
464::
456::
389:,
208:β
99:N
89:K
84:J
79:T
74:P
69:C
64:D
59:S
54:O
49:κ
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