Geloina bengalensis (Lamarck, 1818) Figs 13 C, 15 B Cyrena bengalensis Lamarck, 1818: 554. Type locality: Bengal. Polymesoda (Geloina) bengalensis. Brandt 1974: 310 – 311, pl. 28, fig. 83. Nateewathana 1995: 106, with in-text fig. Aungtonya et al. 1999: 380. Robba et al. 2002: 106, pl. 16, fig. 9. Robba et al. 2003: tables 1, 2. Robba et al. 2007: 87 (appendix). Nabhitabhata 2009: 21, with in-text fig, 471. Polymesoda bengalensis. Poutiers 1998 a: 319, with in-text figs. Dharma 2005: 266, pl. 108, fig. 25. Dey 2006: 74 – 75, figs 113, 114. Tudu et al. 2018: table 1. Geloina bengalensis. Huber 2015: 319; C 20908. BEDO 2017 a: 252, with in-text fig. Wells et al. 2021: 39. Referred material. CUF - NKNY - B 31 (2 L + 3 R shells; Figs 13 C, 15 B). Habitat. In intertidal zones, river deltas, estuaries, mud flats, and in mangrove areas (Poutiers 1998 a; Huber 2015). Distribution. Bay of Bengal; Indo-West Pacific, from Taiwan to Indonesia (Huber 2015). Records of fossils from the Holocene in Thailand (Robba et al. 2002). Record in Thailand. Gulf of Thailand and Andaman Sea (Wells et al. 2021). Taxonomic remarks and comparisons. This species is recognised based on the descriptions and figures in Robba et al. (2002) and Huber (2015), specifically in having a solid, inflated, pronounced inequilateral, and subtriangular shell shape. Superfamily Mactroidea Lamarck, 1809

Published as part of Jirapatrasilp, Parin, Cuny, Gilles, Kocsis, László, Sutcharit, Chirasak, Ngamnisai, Nom, Charoentitirat, Thasinee, Kumpitak, Satapat & Suraprasit, Kantapon, 2024, Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand, pp. 1-110 in ZooKeys 1202 on pages 1-110, DOI: 10.3897/zookeys.1202.119389