Planostrea Harry, 1985

Lam, Katherine & Morton, Brian, 2004, The Oysters Of Hong Kong (Bivalvia: Ostreidae And Gryphaeidae), Raffles Bulletin of Zoology 52 (1), pp. 11-28 : 21

publication ID	https://doi.org/ 10.5281/zenodo.13244740
DOI	https://doi.org/10.5281/zenodo.13244879
persistent identifier	https://treatment.plazi.org/id/F01A8782-930D-F60D-FC06-51EFB506FA47
treatment provided by	Felipe
scientific name	Planostrea Harry, 1985
status

Treatment

Planostrea Harry, 1985 View in CoL

Planostrea Harry, 1985: 143 View in CoL .

Type species. – Ostrea pestigris Hanley, 1846 , by original designation and monotypy.

Description. – Shell of moderate size (~ up to 75 mm in height), very compressed in one plane. The valves are weakly lamellose with few growth rests and little shell erosion. Thin, cylindrical and widely-spaced radial ribs on the left valve. The surfaces between the ribs are flat. Chomata are well developed, uniform and closely spaced along the posterior and anterior margins near the hinge. A wide commissural shelf on the left valve is flat, well-defined along the inner edge and regularly thickened with chalky deposits. The shell exterior is light to dark lavender with numerous darker radial stripes. Geographic distribution limited to certain Indo-Pacific areas, e.g. the Philippines (type locality), Hong Kong, Taiwan, Thailand, North Borneo, and Queensland, Australia.