Gastropoda - Murchisoniina - Ischnoptygmatidae

Alternative spelling: Ischnoptygmidae

Parent taxon: Subulitoidea according to P. Bouchet et al. 2005

See also Erwin 1988

Sister taxon: Subulitidae

Subtaxa: Ischnoptygma

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Type: Ischnoptygma

Ecology: slow-moving epifaunal detritivore

Distribution: found only at USNM703, Old Word Ranch, Glass Mountains (Permian of Texas)

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