Subfamily Nuculaninae Adams and Adams 1858 (pointed nut clam)

Bivalvia - Protobranchia - Nuculanidae

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

See also Coan et al. 2000, Lintz 1958, Maxwell 1992 and Stilwell et al. 2004

Sister taxa: Acilana, Acutispinula, Australoportlandia, Bathyspinula, Bathyspinulinae, Calorhadia, Costelloleda, Dacromya, Ezonuculana, Glyptoleda, Hilgardia, Indonuculana, Ledella, Ledellinae, Ledoides, Litorhadia, Mesosaccella, Multidentata, Nuculana, Nucundata, Orthoyoldia, Parayoldiella, Phestia, Phestiinae, Polidevcia, Poroleda, Poroledidae, Praeportlandia, Propeleda, Saccella, Scissuladrana, Spineilo, Veteranellinae, Xiaoshuiculana, Zealeda, 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)

• Pliocene to Pleistocene of Malaysia (3)

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

• Miocene of Argentina (1), Brazil (3), Colombia (6), Cyprus (1), Ecuador (1), Germany (6), 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 (6: California, Louisiana, 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), United States (54: Alabama, Texas)

• Cretaceous of Argentina (4), Australia (2), New Zealand (30), United States (7: California, Colorado, South Dakota)

• Triassic of the Russian Federation (4)

• Virgilian of United States (1: Maryland)

• Carboniferous of United States (1: Maryland)

Total: 248 collections including 262 occurrences

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