Sinoglottidia Sous-embranchement (subphylum) des Linguliformea Classe des Lingulata Ordre des Lingulida Super-famille des Linguloidea Famille des Lingulidae

Genus Sinoglottidia Peng & Shi, 2008

[Type-species = Sinoglottidia archboldi]   -   see figure below that belongs to the diagnoses of the species

Shell elongate-oval, with rounded umbo, subparallel lateral margins, rounded anterior and posterior margins and weakly biconvex. Ventral valve with small propareas separated by a deep pedicle groove, continuous with the internal valve face, and connected to a pair of feebly developed anteriorly divergent septa/ridges; a pair of narrow, subparallel to parallel V-shaped pedicle nerve grooves extending from anterior adductor scars to posterior adductor scar without merging; posterior adductor scar rounded. Dorsal valve with a median septum extending from posterior adductor scar to antero-lateral muscle scars; posterior adductor scar rounded, antero-lateral muscle scars closely located near centre muscle scars. Both ventral and dorsal mantle canals (vascula lateralia) subparallel and convergent anteriorly. Diagnosis from Peng & Shi (2008).

Lower Triassic. Occurrences: Lower Triassic: Zhongzai section, Liuzhi, Guizhou Province, southwestern China.

Species of Sinoglottidia

S. archboldi Peng & Shi, 2008