A review of the pterosaur Gnathosaurus subulatus from the Tithonian Solnhofen Lithographic Limestones of Germany: taxonomy and ontogeny

被引:0
作者
Bennett, S. Christopher [1 ]
机构
[1] Ft Hays State Univ, Dept Biol Sci, Hays, KS 67601 USA
来源
NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-ABHANDLUNGEN | 2025年 / 314卷 / 01期
关键词
Gnathosaurus; Pterosauria; Ctenochasmatidae; Solnhofen Archipelago; Upper Jurassic; Germany; CTENOCHASMA; REVISION; SPECIMEN; SKULL;
D O I
10.1127/njgpa/2025/1245
中图分类号
Q91 [古生物学];
学科分类号
0709 ; 070903 ;
摘要
The pterosaur Gnathosaurus subulatus from the Tithonian Solnhofen Lithographic Limestones of southern Germany was long known only from a large fragmentary mandible with many long, slender teeth, and was variously thought to be a crocodilian, indeterminate sauropsid, or possible pterosaurian; however, the description of an isolated skull lacking mandible in 1970 demonstrated that Gnathosaurus was pterosaurian. In 1996, it was suggested that the 16 small specimens of Pterodactylus micronyx were conspecific with G. subulatus, and in 2013 P. micronyx was synonymized with a large headless specimen named Aurorazhdarcho primordius. However, it was thought that a large specimen with associated skull and postcranial materials would be needed to determine whether they were conspecific with G. subulatus. Despite that, here the skulls and dentitions of the largest juvenile P. micronyx are described and compared to the holotype mandible and referred skull of G. subulatus, and it is concluded that Pterodactylus micronyx and Aurorazhdarcho primordius are junior synonyms of Gnathosaurus subulatus, and that the species is known from 12 adult and juvenile specimens.
引用
收藏
页码:93 / 114
页数:22
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