Hiatula diphos ( Linnaeus, 1771 )

Rajendra, S. & Raghunathan, C., 2022, New distributional record of marine bivalve, Hiatula diphos (Linnaeus, 1771) (Bivalvia: Cardiida: Psammobiidae) from the Andaman Islands, India, Records of the Zoological Survey of India 122 (2), pp. 203-206 : 205

Hiatula diphos ( Linnaeus, 1771)

1771. Solen diphos Linnaeus, Mantissa Planatarum , 2: 544. Type locality: India

1857. Soletellina acuminata Reeves, Conch. Icon. , 10: Soletellina, Sp. No. , 12, pt. 3, Figure 12.

1906. Soletellina diphos Comber, J. Bombay nat Hist. Soc., 17: 214.

1991. Sanguinolaria (Soletellina) diphos : Subba Rao, Surya Rao and Maitra, Fauna of Orissa, State Fauna Series, 1 (3): 142. Zool. Surv. India.

2007. Sanguinolaria diphos Arularasan and Kasinathan, Zoos. Print. J. , 22 (1): 2564.

2010. Sanguinolaria (Soletellina) diphos Ramakrishna and Dey. Annotated checklist of Indian Marine Molluscs, Rec. Zool. Surv. India. 320: 1-357.

Material examined: 1 example (2 valves), India, Andaman and Nicobar Islands, Dist. North Andaman, Kalipur , Lat. 13°13.439'N; Long. 93°02.700'E, ZSI / ANRC /M-25478, 27.v.2018, coll. S. Rajendra.

Color: Bluish purple in color.

Measurements: Length- 39 mm; width- 21 mm Distribution: India: East coast, west coast of India (Ramkrishna and Dey, 2010) and Andaman Islands (Present study); Elsewhere: Pakistan, Bangladesh, Sri Lanka, Moluccas, Myanmar, Malaysia, Philippines, China and Japan (Ramakrishna and Dey, 2010).

Remarks: Shell moderate, compressed, equivalve; shell surface purple colored with paler concentric zones and two whitish radial rays and concentric growth lines covered by strong dark periostracum; muscle scars well developed at anterior end whereas posterior end acuminates with obtuse; angle gap on posterior end broad;