Gastropoda - Euomphalina - Euomphalidae

Full reference: W. H. Sherzer and A. W. Grabau. 1910. New Upper siluric fauna from southern Michigan. Geological Society of America Bulletin 19:540-553

Belongs to Acanthonema according to A. W. Grabau and W.H. Sherzer 1910

See also Sherzer and Grabau 1910

Sister taxa: Acanthonema holopiforme, Acanthonema newberryi

Type specimen: Its type locality is Gibralter Quarry, which is in an Eifelian carbonate dolomite in the Lucas Formation of Michigan

Ecology: stationary epifaunal suspension feeder

Distribution: found only at Gibralter Quarry

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Specimen images are retrieved through the ePANDDA API.