Architectonica perdix ( Hinds, 1844 )

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

Architectonica perdix ( Hinds, 1844)

Figs 4 J , 11 A

Solarium perdix Hinds, 1844: 22 – 23. Type locality: Ceylon; north-west coast of Australia.

Architectonica perdix . Bieler 1993: 48 – 52, figs 35 – 38. Swennen et al. 2001: 57, 135, fig. 477. Hylleberg and Kilburn 2003: 113. Robba et al. 2004: 158, pl. 21, fig. 10 a, b. Dharma 2005: 204, pl. 77, fig. 2 a, b; 358, pl. 144, fig. 7 a, b. Thach 2005: 224. Robba et al. 2007: 95 (appendix). Nabhitabhata 2009: 200. BEDO 2017 b: 73, with in-text fig. Yang et al. 2017: 118, 120, fig. 493. Surakiatchai et al. 2018: table 5, pl. 1, fig. 12 a, b. Tudu and Balakrishnan 2018: 199 – 200, fig. 1 a – f. Wells et al. 2021: 131.

Referred material.

CUF - NKNY - G 02, G 31 (155 shells; Figs 4 J , 11 A ).

Habitat.

Sandy and muddy bottoms at a depth from 10 to 60 m ( Bieler 1993; Thach 2005; Yang et al. 2017).

Distribution.

Indian Ocean; Indo-West to Central Pacific, from China to Australia and Polynesia ( Robba et al. 2004; Tudu and Balakrishnan 2018). Records of fossils from the Middle Pliocene in Indonesia and from the Holocene in Thailand ( Dharma 2005; Surakiatchai et al. 2018).

Record in Thailand.

Gulf of Thailand and Andaman Sea ( Wells et al. 2021).

Taxonomic remarks and comparisons.

This species differs from its similar species, Adelphotectonica reevei (Hanley, 1862) , by having a much smaller protoconch and a much higher upper point of attachment of the whorls ( Bieler 1993). See also comprehensive taxonomic remarks in Bieler (1993).

Cohort Tectipleura Schrödl et al., 2011

Subcohort Euopisthobranchia Jörger et al., 2010

Order Cephalaspidea Fischer, 1883

Superfamily Cylichnoidea H. Adams & A. Adams, 1854

Figures

Figure 4. Size comparison of gastropods found in this study A Brunneifusus ternatanus B Murex trapa C Indothais lacera D Pristiterebra miranda E Chicoreus capucinus F Indothais gradata G Ellobium aurisjudae H Inquisitor vulpionis I Turricula javana J Architectonica perdix K Pseudoneptunea varicosa L Cassidula nucleus M Pseudoetrema fortilirata N Paradrillia melvilli O Duplicaria tricincta P Granuliterebra bathyrhaphe Q Comitas ilariae R Cylichna modesta S Maoritomella vallata.

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