Traits taxon details
original description
Mazaev A.V. (2003). The Family Orthonemidae (Gastropoda) from Middle and Upper Carboniferous of the Central Part of the Russian Plate. <em>Ruthenica: The Russian Malacological Journal.</em> 13(2): 89-101. page(s): 94 [details] 
additional source
Nützel, A.; Karapunar, B. (2023). On Triassic Murchisonia-like gastropods – surviving the end-Permian extinction to become extinct in the Late Triassic. <em>Acta Palaeontologica Polonica.</em> 68., available online at https://doi.org/10.4202/app.01087.2023 [details]
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