Circulus occidentalis Pilsbry and Olsson 1941 (snail)

Gastropoda - Sorbeoconcha - Vitrinellidae

Full reference: H. A. Pilsbry and A.A. Olsson. 1941. A Pliocene fauna from Western Ecuador. Proceedings of the Natural Sciences of Philadelphia 93:1-79

Belongs to Circulus according to H. A. Pilsbry and A.A. Olsson 1941

Sister taxa: Circulus duminyi, Circulus enaulus, Circulus estotensis, Circulus hennei, Circulus liratus, Circulus ottonius, Circulus paulensis, Circulus rakhiensis, Circulus sigaretornuformis, Circulus striatus, Circulus supranitidus, Vitrinella (Circulus) striata

Type specimen: Its type locality is Zone J - Canoa Formation, which is in a Piacenzian/Gelasian coastal sandstone/claystone in the Canoa Formation of Ecuador

Ecology: epifaunal

Distribution:

• Quaternary of Costa Rica (1 collection), Ecuador (2)

• Pliocene to Pleistocene of Ecuador (1)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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