Subfamily Nuculaninae Adams and Adams 1858 (pointed nut clam)

Bivalvia - Nuculanida - Nuculanidae

Synonyms: Adranidae Scarlato and Starobogatov 1979, Adraninae Scarlato and Starobogatov 1979

Parent taxon: Nuculanidae according to E. V. Coan and P. Valentich-Scott 2012

See also Bouchet et al. 2010, Coan et al. 2000, Lintz 1958, Maxwell 1992, Nevesskaja 2009 and Stilwell et al. 2004

Sister taxa: Acilana, Acutispinula, Anthracoleda, Australoportlandia, Bathyspinula, Calorhadia, Costatoleda, Costelloleda, Dacromya, Ezonuculana, Indonuculana, Ledella, Ledellinae, Litorhadia, Mesosaccella, Multidentata, Nuculana, Orthoyoldia, Phestioidea, Poroleda, Poroledidae, Praeportlandia, Propeleda, Saccella, Scissuladrana, Spineilo, Veteranellinae, Clidophorus

Subtaxa: Adrana Comitileda Culunana Jupiteria Ledina Pseudoportlandia

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Ecology: facultatively mobile infaunal deposit feeder-suspension feeder

Distribution:

• Quaternary of Costa Rica (2 collections), Ecuador (2), Panama (3), United States (3: California)

• Pliocene to Pleistocene of Malaysia (3)

• Pliocene of Costa Rica (7), Italy (1), Jamaica (4), Panama (3), Trinidad and Tobago (2), the United Kingdom (1), United States (1: California), Venezuela (4)

• Miocene of Argentina (1), Brazil (3), Colombia (6), Cyprus (1), Ecuador (1), New Zealand (4), Panama (12), Trinidad and Tobago (6), United States (6: Oregon)

• Oligocene of Panama (4), Peru (2)

• Eocene to Oligocene of the Russian Federation (1)

• Eocene of Antarctica (1), New Zealand (5), Peru (2), the United Kingdom (2), United States (13: California, Louisiana, Mississippi, Oregon, Texas)

• Paleocene to Eocene of Australia (1), United States (1: California)

• Paleocene of Antarctica (1), Argentina (22), Australia (1), Belgium (1), Mexico (4), New Zealand (10), Poland (1), the Russian Federation (1), United States (57: Alabama, Illinois, Texas)

• Cretaceous of Argentina (4), Australia (2), New Zealand (30), United States (8: California, Colorado, Mississippi, South Dakota)

• Triassic of the Russian Federation (4)

• Virgilian of United States (1: Maryland)

• Carboniferous of United States (1: Maryland)

Total: 256 collections including 270 occurrences

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