Gastropoda - Stylommatophora

Parent taxon: Helicina according to B. Marshall et al. 2025

Sister taxa: Clausilioidei, Helicoidei, Limacoidei, Oleacinoidei, Orthalicoidei, Plectopyloidea, Punctoidea, Pupilloidei, Rhytidoidei, Succineoidei, Testacelloidea, Urocoptoidea

Subtaxa: Arionoidea

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Ecology: epifaunal

Distribution: found only at LACM 7679 (Quaternary of California)

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