Subfamily Tridacninae Lamarck 1819

Bivalvia - Cardiida - Cardiidae

Alternative spelling: Tridacnidae

Synonyms: Chametracheidae Adams and Adams 1857, Chametracheinae Adams and Adams 1857

Parent taxon: Eucardiids according to J. G. Carter et al. 2011

See also Bouchet et al. 2010, Harzhauser et al. 2008, Nevesskaja 2009 and Vokes 1980

Sister taxa: Cardiinae, Cerastodermatinae, Clinocardiinae, Fraginae, Lymnocardiinae, Orthocardiinae, Profraginae, Trapezicardiinae

Subtaxa: Avicularium Byssocardium Hippopus Omanidacna Tridachnes Tridacna

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Distribution:

• Quaternary of Australia (2 collections), Cook Islands (1), Djibouti (3), Egypt (2), Eritrea (3), French Polynesia (3), Iran (1), Japan (6), Jordan (4), Kenya (5), Kiribati (2), Pakistan (1), Papua New Guinea (1), Saudi Arabia (14), the Seychelles (9), Sudan (1), Tonga (1), Vanuatu (1), Yemen (2)

• Pliocene to Pleistocene of Malaysia (2)

• Pliocene of Indonesia (1), Japan (1)

• Miocene of Indonesia (5), Malaysia (1), the Marshall Islands (1), Northern Mariana Islands (1), Oman (1)

• Oligocene to Miocene of United States (2: Florida)

• Oligocene of Oman (1)

• Eocene of Jamaica (2)

Total: 80 collections including 94 occurrences

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