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Genus Aucellina Pompeckj 1901 1021
Genus Lima Bruguiere 1792 1121
16 other sections not shown
above-described specimens adductor scar Aguilerella Aptian artificial trench Astarte Aucellina Baoqing district bivalves Bivalvia broadly curved broadly rounded Buchia byssal Camptonectes cardinals Chen and Sha Chengzihe Formation Chinese specimens concave Corbula Description dorsal margin Early Cretaceous elongated external faintly Ferganoconcha figs fossil genus Geol Hayami height hinge teeth holotype Hulin district indistinct Inoceramus Isognomon Jixi Jurassic left internal mould left valve ligamental area ligamental pits Longzhaogou valley Mishan district Moderately inflated mould of cat Nagao narrowly rounded nearly straight oblique Occurrence Ostrea Palaeoneilo Palaeonucula paratype pars Peide Formation post-umbonal ridge posterior end posterior margin postero-ventral angle present species present specimens prosocline Qihulin Member radial ribs right internal mould right valve shell length Shell outline slightly Sowerby specimen of cat Sphaerium Surface ornamented Thracia trigonal Trigonioides Type-species umbo umbonal umbonal angle umbonal ridge Upper Yunshan Formation ventral margin Yunshan area Yunshan Formation Zhushan