Placamen lamellatum
Creators: name: Jirapatrasilp, Parin
name: Cuny, Gilles
name: Kocsis, László
name: Sutcharit, Chirasak
name: Ngamnisai, Nom
name: Charoentitirat, Thasinee
name: Kumpitak, Satapat
name: Suraprasit, Kantapon
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Mollusca
Bivalvia
Venerida
Veneridae
Placamen
Placamen lamellatum

description: Placamen lamellatum (Röding, 1798)   
Figs 12 L, 16 C  
 Venus lamellata Röding, 1798: 183. Type locality: the East Indian Seas.   
 Venus tiara Dillwyn, 1817: 162. Type locality: the East Indian Seas.   
 Venus calophylla Philippi, 1836: 229 – 230, pl. 8, fig. 2 Type locality: the Chinese Sea.   
 Chione (Circomphalus) calophylla. Lynge 1909: 150 – 151.   
 Callanaitis calophylla. Tantanasiriwong 1979: 13. Nateewathana et al. 1981: 67.   
 Placamen tiara. Tantanasiriwong 1979: 13. Nateewathana et al. 1981: 67. Poutiers 1998 a: 351, with in-text figs. Aungtonya et al. 1999: 382. Hylleberg and Kilburn 2003: 219. Dharma 2005: 268, pl. 109, fig. 24. Thach 2005: 292. Dey and Ramakrishna 2007: 159, 238. Nabhitabhata 2009: 495. Poppe 2010 c: 274, pl. 1132, figs 1 – 3.   
 Bassina calophylla. Bosch et al. 1995: 266, fig. 1191. Subba Rao and Dey 2000: 284.   
 Placamen calophyllum. Kilburn and Hylleberg 1998: 315. Aungtonya et al. 1999: 382. Swennen et al. 2001: 48, 92, fig. 180. Robba et al. 2002: 107, pl. 17, fig. 4. Gemert 2003: 15. Hylleberg and Kilburn 2003: 218 – 219. Dharma 2005: 268, pl. 109, fig. 25. Thach 2005: 292, pl. 89, fig. 11. Robba et al. 2007: 87 (appendix). Meyer et al. 2008: tables 2, 4. Sartori et al. 2008: table 1. Nabhitabhata 2009: 494. Poppe 2010 c: 272, pl. 1131, figs 4 – 7. Sanpanich 2011: table 2.   
 Placamen lamellatum. Huber 2010: 369, with in-text figs. Huber 2015: C 18043. BEDO 2017 a: 287. Tudu et al. 2018: table 1. Wells et al. 2021: 48.   
 Clausinella calophylla. Yang et al. 2017: 222, 224, fig. 834.   
 Clausinella tiara. Yang et al. 2017: 224, fig. 836.   
Referred material.  
CUF - NKNY - B 28 (1 R shell; Figs 12 L, 16 C).  
Habitat.  
Muddy sand, sand, and shell gravels from intertidal zones down to 100 m depth (Bosch et al. 1995; Robba et al. 2002; Yang et al. 2017).  
Distribution.  
Arabian Gulf and Indian Ocean; Indo-West Pacific, from Japan to Indonesia (Bosch et al. 1995; Huber 2015; Yang et al. 2017). Records of fossils from the Late Neogene to Holocene in Fiji, India, Indonesia, Japan, the Philippines and Taiwan (Robba et al. 2002).  
Record in Thailand.  
Gulf of Thailand and Andaman Sea (Wells et al. 2021).  
Taxonomic remarks and comparisons.  
 This species differs from its similar species, Placamen chloroticum (Philippi, 1849), by having a somewhat shallower and trigonal pallial sinus as well as more widely spaced and more raised commarginal lamellae (Robba et al. 2002).   
 Order Myida Stoliczka, 1870   
 Superfamily Myoidea Lamarck, 1809
description: 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