Anadara indica ( Gmelin, 1791 )

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, ZooKeys 1202, pp. 1-110 : 1-110

Anadara indica ( Gmelin, 1791)

Figs 11 E , 12 G

Arca indica Gmelin, 1791: 3312. Type locality: the Indian Ocean. Reeve 1844: Arca, pl. 9, sp. 56.

Anadara (Scapharca) indica . Lynge 1909: 126 – 127, pl. 2, figs 5 – 12.

Scapharca indica . Morris and Purchon 1981: 322. Bosch et al. 1995: 211, fig. 928. Poutiers 1998 a: 153, with in-text figs. Robba et al. 2002: 59, pl. 2, fig. 9. Gemert 2003: 107. Robba et al. 2003: tables 1 – 5. Thach 2005: 243, pl. 75, fig. 17. Robba et al. 2007: 83 (appendix). Nabhitabhata 2009: 294. Yang et al. 2017: 148, fig. 581. Surakiatchai et al. 2018: pl. 3, fig. 3 a, b.

Anadara indica . Vongpanich 1996: 183, figs 26, 27. Aungtonya et al. 1999: 372. Tudu et al. 2018: table 1. Wells et al. 2021: 52.

Anadara (Anadara) indica . Huber 2010: 136, with in-text fig. Huber 2015: C 3220.

Referred material.

CUF - NKNY - B 06 (16 L + 24 R shells; Figs 11 E , 12 G ).

Habitat.

In soft sand or sandy mud bottoms at bays, river mouths, and intertidal zones down to 15 m depth ( Huber 2015).

Distribution.

Persian Gulf to India Ocean; Indo-West Pacific, from Japan to Australia ( Poutiers 1998 a; Robba et al. 2002). Records of fossils from the Holocene in Thailand ( Robba et al. 2002; Surakiatchai et al. 2018).

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 Poutiers (1998 a), Robba et al. (2002), and Huber (2010), specifically in having an inequilateral, laterally compressed, and subrectangular shell shape with 30–36 flat radial ribs.

Tegillarca Iredale, 1939

Figures

Figure 11. Gastropods and bivalves A Architectonica perdix B Ellobium aurisjudae C Cassidula nucleus D Anadara inaequivalvis E Anadara indica F Tegillarca granosa.

Figure 12. Size comparison of bivalves, scaphopod and other invertebrates found in this study A Tegillarca nodifera B Volachlamys singaporina C Tegillarca granosa D Noetiella pectunculiformis E Magallana cf. gigas F Estellacar olivacea G Anadara indica H Dentalium variabile I Siliqua minima J Corbula fortisulcata K Fistulobalanus kondakovi L Placamen lamellatum M Martesia striata N Potamocorbula sp. O Jupiteria puellata P Saccella mauritiana Q Paratapes undulatus R Dosinia dilecta S Joannisiella oblonga T Temnotrema siamense U Pholas orientalis.