PaleoDB taxon number: 160711
Alternative combination: Straparollus (Eleutherospira) sinistralis
Full reference: R. B. Blodgett and J. G. Johnson. 1992. Early Middle Devonian (Eifelian) Gastropods of Central Nevada. Palaeontographica Abteilung A 222:85-139
Type specimen: Its type locality is USNM 174131870-1875 feet upsection to NE of section base, Lone Mountain, which is in an Eifelian marine packstone in the Denay Limestone Formation of Nevada.
Ecology: stationary epifaunal suspension feeder