Dosinia dilecta A. Adams, 1856

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

Dosinia dilecta A. Adams, 1856

Figs 12 R , 16 A

Dosinia dilecta A. Adams, 1856: 224. Type locality: Malacca. Lynge 1909: 249 – 250, pl. 5, figs 11 – 13. Morris and Purchon 1981: 326. Swennen et al. 2001: 49, 95, text-fig. 201, fig. 201. Robba et al. 2002: 115, pl. 19, fig. 4. Dharma 2005: 266, pl. 108, fig. 30. Robba et al. 2007: 88 (appendix). Sartori et al. 2008: table 1. Nabhitabhata 2009: 482. Poppe 2010 c: 304, pl. 1147, figs 5, 6. Surakiatchai et al. 2018: table 6, pl. 5, fig. 8 a, b. Wells et al. 2021: 44.

Dosinia (Dosinella) dilecta . Fischer-Piette and Delmas 1967: 77, pl. 14, figs 1 – 3. Dheeradilok et al. 1984: pl. 2, figs 9 – 12. Huber 2010: 414, with in-text fig. Huber 2015: C 19500.

Referred material.

CUF - NKNY - B 10 (2 L + 5 R shells; Figs 12 R , 16 A ).

Habitat.

Soft clay and mud bottoms in subtidal zones at a depth from 5 to 20 m ( Huber 2015).

Distribution.

Indo-West Pacific, from southern China to Indonesia ( Huber 2015). 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 Fischer-Piette and Delmas (1967), Robba et al. (2002), and Huber (2010), specifically in having deeply demarcated and exceedingly small lunulae and a shell with low concentric ribs. See also comprehensive taxonomic remarks in Fischer-Piette and Delmas (1967).

Paratapes Stoliczka, 1870

Figures

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.

Figure 16. Bivalves A Dosinia dilecta B Paratapes undulatus C Placamen lamellatum D Corbula fortisulcata E Potamocorbula sp. F, G Martesia striata G showing the shells with burrow casts along with mangrove roots H Pholas orientalis I calcareous burrows of Teredinidae indet.