Gastropoda - Sorbeoconcha - Strombidae
Parent taxon: Ectinochilus according to R. L. Squires and R. A. Demetrion 1992
See also Sepkoski 2002, Squires 1984, Squires 1987, Squires 1988, Squires 2013 and Turner 1938
Sister taxa: Rimella (Rimella), Rimella canalis, Rimella carli, Rimella desertica, Rimella duplicostata, Rimella elongata, Rimella fissurella, Rimella fowleriana, Rimella fusoides, Rimella knappiana, Rimella levis, Rimella oregonensis, Rimella pakistanica, Rimella peruviana, Rimella prestwichi, Rimella quoseibii, Rimella rimosa, Rimella supraplicata, Ectinochilus antipodarum, Ectinochilus (Ectinochilus), Ectinochilus olssoni, Ectinochilus (Vaderos), Ectinochilus gaudichaudi, Ectinochilus planum, Ectinochilus (Cowlitzia) canalifera, Ectinochilus (Cowlitzia) canalifer, Ectinochilus (Cowlitzia) washingtonensis
Subtaxa: Ectinochilus (Macilentos) macilentus
Ecology: epifaunal omnivore-grazer
Distribution:
• Eocene of United States (66: California, Oregon, Washington collections)
Total: 66 collections each including a single occurrence