Gastropoda - Caenogastropoda - Orthonematidae

Alternative combination: Goniasma silinae

Synonyms: Geolcomia rara Licharev 1975, Orthonema rara Licharev 1975

Full reference: B. K. Licharev. 1975. Carboniferous gastropods from the region of the River Karabolka. Trudy Vsesoyuzniei Navcho-Issledovatelbskii Geologicheskii Institut 206:5-183

Belongs to Orthonema according to A. V. Mazaev 2002

See also Licharev 1975

Sister taxa: Orthonema amissidecoris, Orthonema ascensus, Orthonema borovskensis, Orthonema carbonaria, Orthonema cerithioides, Orthonema cochleoides, Orthonema conspicuum, Orthonema cortum, Orthonema frequens, Orthonema hulusitaiensis, Orthonema illineatus, Orthonema inornatum, Orthonema knighti, Orthonema laluzense, Orthonema liratum, Orthonema marvinwelleri, Orthonema nakazawai, Orthonema nebrascense, Orthonema nonnullum, Orthonema paedice, Orthonema panxianensis, Orthonema paulum, Orthonema paxillus, Orthonema perspicuum, Orthonema pygmaeum, Orthonema rectimurum, Orthonema repandum, Orthonema salteri, Orthonema sayrei, Orthonema semiornatum, Orthonema simplex, Orthonema socorroense, Orthonema striatonodosum, Orthonema strigatum, Orthonema subtaeniatum, Orthonema telescopiforme, Orthonema tirusum, Orthonema tricingulatum, Orthonema youngianum

Type specimens:

• Orthonema silinae: CGM StP 9758/109, a shell
• Orthonema rara:

Ecology: epifaunal

Distribution: found only at Karabolka River, near Ust'-Karabolka, Eastern Flank of Urals (Carboniferous of Russian Federation)

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Specimen images are retrieved through the ePANDDA API.