Penguin's wing oyster

Pteria penguin

''Pteria penguin'', commonly known as the penguin's wing oyster, is a species of marine bivalve mollusc in the family Pteriidae, the pearl oysters. It is native to the western and central Indo-Pacific region and is used for the production of cultured pearls.
Penguin's wing oyster - Pteria penguin Covered in encrusting sponge. Fall,Geotagged,Indonesia,Pteria penguin

Naming

The generic name comes from Greek πτερον meaning wing.
Wing Oyster - Pteria penguin  Cebu,Malapascua,Oyster,Philippines,Pteria penguin,Wing Oyster

Distribution

''Pteria penguin'' is native to the western and central Indo-Pacific region. Its range extends from the East African coast and the Red Sea to India, southern China, southern Japan, the Philippines, Indonesia and northern Australia.

It is found attached by its byssal threads to a number of different substrates but typically to hydroids, at depths of less than about 25 m.

References:

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Taxonomy
KingdomAnimalia
DivisionMollusca
ClassBivalvia
OrderOstreida
FamilyPteriidae
GenusPteria
SpeciesP. penguin