Acila (Acila) isthmica Brown and Pilsbry 1911 (divaricate nutclam)

Bivalvia - Nuculida - Nuculidae

Alternative combinations: Acila isthmica, Nucula (Acila) isthmica

Full reference: A. P. Brown and H. A. Pilsbry. 1911. Fauna of the Gatun Formation, Isthmus of Panama. Proceedings of the Academy of Natural Sciencesof Philadelphia 63(2):336-373

Belongs to Acila (Acila) according to W. P. Woodring 1973

See also Brown and Pilsbry 1911, Olsson 1942 and Schenck 1936

Sister taxa: Acila (Acila) brevis, Acila (Acila) divaricata, Acila (Acila) gettysburgensis, Acila (Acila) kholmskensis, Acila (Acila) mirabilis, Acila (Acila) praedivaricata, Acila (Acila) semirostrata, Acila (Acila) shimoyamai, Acila (Acila) submirabilis, Acila (Acila) vigilia

Subtaxa: Acila (Acila) isthmica burica

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Type specimen: ANSP 1742, a shell

Ecology: facultatively mobile infaunal deposit feeder-suspension feeder


• Pliocene of Costa Rica (2 collections)

• Miocene of Colombia (3), Panama (12)

• Oligocene of Panama (4)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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