Polidevcia Tschernyschev 1943 (pointed nut clam)

Bivalvia - Protobranchia - Nuculanidae

Alternative spelling: Phestia (Polidevcia)

Parent taxon: Nuculanidae according to H. E. Vokes 1980

See also Campbell and Engel 1963 and Hoare 1993

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

Subtaxa: Polidevcia abrupta Polidevcia aequilata Polidevcia antequadrata Polidevcia arata Polidevcia arctura Polidevcia bellistriata Polidevcia bicarinata Polidevcia browni Polidevcia cryptica Polidevcia flexuosa Polidevcia jamesi Polidevcia kasanensis Polidevcia kolyvanica Polidevcia lunulata Polidevcia lyonsensis Polidevcia magna Polidevcia nodulosa Polidevcia obesa Polidevcia ovata Polidevcia sharmani Polidevcia stevensiana Polidevcia thomasi Polidevcia tulcumbensis Polidevcia undosa Polidevcia vorgaschorica Polidevcia zabaikalica

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Ecology: facultatively mobile infaunal deposit feeder-suspension feeder

Distribution:

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

• Eocene of United States (1: Texas)

• Cretaceous of Austria (1)

• Triassic of China (7)

• Leonard of United States (4: Idaho, Montana, Utah, Wyoming)

• Permian of Australia (18), Japan (1), Mexico (1), Mongolia (5), New Zealand (4), Peru (2), the Russian Federation (38), United States (66: Arizona, Idaho, Montana, Nevada, Utah, Wyoming)

• Virgilian of United States (8: Maryland, New Mexico, Ohio)

• Desmoinesian of United States (18: Missouri, Oklahoma)

• Westphalian of Spain (1), the United Kingdom (1)

• Chesterian of United States (2: Ohio)

• Osagean of the United Kingdom (1)

• Carboniferous of Australia (2), Peru (3), the United Kingdom (2), United States (23: Arkansas, California, Kansas, Maryland, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Utah, West Virginia)

• Devonian of Australia (2)

Total: 213 collections including 229 occurrences

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Specimen images are retrieved through the ePANDDA API.


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