Gastropoda - Murchisoniina - Soleniscidae

Alternative combinations: Holopea oligospira, Loxonema oligospira

Full reference: A. Winchell. 1863. Descriptions of fossils from the yellow sandstones lying beneath the “Burlington limestone” at Burlington, Iowa. Proceedings of the Academy of Natural Sciences, Philadelphia 7:2-25

Belongs to Leptoptygma according to P. J. Wagner 2023

See also Girty 1915, Weller 1900, Winchell 1863 and Yochelson and Saunders 1967

Sister taxa: Leptoptygma carrizoensis, Leptoptygma fountainensis, Leptoptygma golconda, Leptoptygma gremechaensis, Leptoptygma laetus, Leptoptygma newtonensis, Leptoptygma simplex, Leptoptygma subtilistriatum, Leptoptygma virgatum

Type specimen: Its type locality is Prospect Hill, bluff above river south of Burlington, which is in a Famennian marine sandstone in the English River Formation of Iowa

Distribution: found only at Prospect Hill, bluff above river south of Burlington

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Specimen images are retrieved through the ePANDDA API.