Gastropoda - Sorbeoconcha - Strombidae
Parent taxon: Ectinochilus according to G. D. Harris and K. E. H. Palmer 1947
See also Sepkoski 2002 and Squires 2013
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 rokeyae, Rimella subhumerosa, Rimella supraplicata, Ectinochilus (Cowlitzia) canalifera, Ectinochilus (Cowlitzia) washingtonensis, Ectinochilus (Cowlitzia) canalifer, Ectinochilus (Ectinochilus), Ectinochilus antipodarum, Ectinochilus planum, Ectinochilus (Macilentos), Ectinochilus gaudichaudi, Ectinochilus olssoni
Subtaxa: Ectinochilus (Vaderos) elongatus Ectinochilus (Vaderos) stenzeii
Ecology: epifaunal omnivore-grazer
Distribution:
• Eocene of United States (5: California, Louisiana, Mississippi, Washington collections)
Total: 5 collections each including a single occurrence