*1940 Nucula (Palaeonucula) stoliczkai
1956 Nucula (Palaeonucula) stoliczkai
1980 Palaeonucula stoliczkai
1995 Palaeonucula stoliczkai
Jurassic bivalves from the Spiti area of the Himalayas, northern India
Fuersich, Franz T.
Alberti, Matthias
Pandey, Dhirendra K.
Ayoub-Hannaa, Wagih S.
Zitteliana
2022
2022-08-11
96
153
178
C53JC
EE2D04DA-E7EC-5EA0-930B-3E5528D5FE06
Cox, 1940
Cox
1940
Bivalvia
Nuculidae
Palaeonucula
CoL
Animalia
Palaeonucula stoliczkai
Nuculida
0
153
Mollusca
species
stoliczkai
Plate 1, fig. 3a, b
*1940 Nucula (Palaeonucula) stoliczkaisp. nov. - Cox: 20, pl. 1, figs 21-23. 1956 Nucula (Palaeonucula) stoliczkaiCox - Agrawal: 52, pl. 7, fig. 3b. 1980 Palaeonucula stoliczkaiCox - Kanjilal: 339, pl. 1, figs 13-14. 1995 Palaeonucula stoliczkai Cox 1940- Jaitly et al.: 158, pl. 2, figs 7-8.
Material. One flattened articulated specimen from the Ferruginous Oolite Member at Langza (SNSB-BSPG 2020 XCIX 34).
Description and remarks. The laterally strongly compressed specimen (H: 8.6 mm, L: 11.9 mm) is rounded trigonal in outline and longer than high. The ventral margin is strongly convex, the anterior margin obliquely truncated, forming a blunt angle with the ventral margin and a very obtuse angle with the faintly convex anterodorsal margin. The posterior margin is narrowly rounded. The umbo is prominent. The rounded anterior umbonal ridge extends to the anteroventral margin. Due to the compressed nature of the shell, features such as lunule could not be observed. The surface of the shell is covered with fine commarginal growth lines. Internal features not seen. Although the hinge could not be observed, the specimen can be safely placed in P. stoliczkaias it closely resembles Cox'species in outline. Subclass Autobranchia Grobben, 1894 Order Arcida Gray, 1854