Jurassic bivalves from the Spiti area of the Himalayas, northern India Author Fuersich, Franz T. https://orcid.org/0000-0002-0844-9297 Universitaet Erlangen-Nuernberg, GeoZentrum Nordbayern, FG Palaeoumwelt, Lowenichstrasse 28, 91054 Erlangen, Germany franz.fuersich@fau.de Author Alberti, Matthias State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and Engineering, Centre for Research and Education on Biological Evolution and Environment and Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing 210023, China Author Pandey, Dhirendra K. https://orcid.org/0000-0002-7721-9604 Department of Earth and Environmental Science, KSKV Kachchh University, Bhuj, India Author Ayoub-Hannaa, Wagih S. Geology Department, Faculty of Science, Minufiya University, El-Minufiya, Shibin El Kom, Egypt text Zitteliana 2022 2022-08-11 96 153 178 http://dx.doi.org/10.3897/zitteliana.96.87253 journal article http://dx.doi.org/10.3897/zitteliana.96.87253 2747-8106-96-153 191199E07F3E4E09A3774ADFBF93A248 AFA9059B36235BFF9BA3E9B7BE816DC1 Plagiostoma? sp. A Plate 4, fig. 7a, b Material. A strongly crushed single valve with remains of shell from the lower member at Langza (SNSB-BSPG 2020 XCIX 35). Description and remarks. The very poorly preserved specimen cannot be identified with certainty. The surface of the apparently rounded triangular-ovate specimen is covered with numerous faint, rounded, radial riblets.