Nassarius siquijorensis (A. Adams, 1852 )

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

Nassarius siquijorensis (A. Adams, 1852)

Figs 3 P , 7 D

Nassa siquijorensis A. Adams, 1852: 97. Type locality: Island of Siquijor, Philippines.

Nassa (Zeuxis) siquijorensis . Tesch 1915: 59, pl. 81, figs 128 a, b, 129 a, b.

Nassarius (Zeuxis) siquijorensis . Cernohorsky 1978: 88, pl. 27, fig. 8. Cernohorsky 1984: 134 – 136, pl. 25, figs 12 – 14, pl. 26, figs 1 – 5. Robba et al. 2003: table 5. Robba et al. 2004: 120 – 121, pl. 16, fig. 5 a, b. Dharma 2005: 106, pl. 28, fig. 14 a – c. Robba et al. 2007: 93 (appendix).

Nassarius siquijorensis . Nobuhara 1993: fig. 8 - 1 a, 8 - 1 b. Swennen et al. 2001: 56, 130, fig. 442. Hylleberg and Kilburn 2003: 87. Kool 2007: figs 17 – 20. Martin 2008: 120, pl. 355, fig. 13; 128, pl. 359, fig. 13. Surakiatchai et al. 2018: table 5, pl. 1, fig. 9 a, b. Wells et al. 2021: 99.

Zeuxis siquijorensis . Thach 2005: 148, pl. 44, fig. 25.

Nassarius siquinjorensis [sic]. Yang et al. 2017: 90, fig. 371.

Referred material.

CUF - NKNY - G 01 (10 shells; Figs 3 P , 7 D ).

Habitat.

Sandy and muddy bottoms from subtidal zones to 450 m depth ( Cernohorsky 1984; Thach 2005; Yang et al. 2017).

Distribution.

Red Sea to India; Indo-West Pacific, from Japan to Indonesia and New Caledonia ( Cernohorsky 1984; Dharma 2005; Yang et al. 2017). Records of fossils from the Pliocene in Indonesia and from the Holocene in Thailand ( Cernohorsky 1984; 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, Nassarius castus (Gould, 1850) , in having a more tapering spire, canaliculate sutures, and considerably more numerous axial ribs ( Cernohorsky 1984). See also comprehensive taxonomic remarks in Cernohorsky (1984) and Kool (2007).

Superfamily Muricoidea Rafinesque, 1815

Figures

Figure 3. Size comparison of coral and gastropods found in this study A Oulangia cf. stokesiana B Neripteron violaceum C Nerita articulata D Natica stellata E Natica vitellus F Homalopoma cf. sangarense G Eunaticina papilla H Ergaea walshi I Pirenella incisa J Scalptia scalariformis K Telescopium telescopium L Merica elegans M Cerithidea obtusa N Bufonaria rana O Nassarius micans P Nassarius siquijorensis Q Paratectonatica tigrina.

Figure 7. Gastropods A Pseudoneptunea varicosa B Brunneifusus ternatanus C Nassarius micans D Nassarius siquijorensis E Chicoreus capucinus F Indothais gradata.