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 supraplicata, Ectinochilus (Cowlitzia) canalifera, Ectinochilus (Cowlitzia) washingtonensis, Ectinochilus (Cowlitzia) canalifer, Ectinochilus (Macilentos), Ectinochilus planum, Ectinochilus olssoni, Ectinochilus (Ectinochilus), Ectinochilus gaudichaudi, Ectinochilus antipodarum
Subtaxa: Ectinochilus (Vaderos) elongatus Ectinochilus (Vaderos) stenzeii
Ecology: epifaunal omnivore-grazer
Distribution:
• Eocene of United States (4: California, Louisiana, Mississippi collections)
Total: 4 collections each including a single occurrence