Septa occidentalis Mörch 1877 (triton shell)
Gastropoda - Sorbeoconcha - Ranellidae
Alternative combinations: Cymatium (Septa) occidentale, Cymatium (Septa) rubeculum occidentale, Cymatium occidentale, Cymatium rubeculum occidentale, Triton (Lampusia) rubecula occidentale
Belongs to Septa according to A. G. Beu 2010
Sister taxa: Cymatium (Septa) janetae, Septa landaui, Septa ogygia, Septa rubecula, Simpulum antillarum
Ecology: epifaunal carnivore
Distribution: found only at Moin Formation (unspecified localities) (Pliocene of Costa Rica)
Specimen images are retrieved through the ePANDDA API.