Gastropoda - Sorbeoconcha - Ranellidae

Alternative combination: Nyctilochus impressus

Full reference: C. E. Weaver. 1905. Contribution to the palaeontology of the Martinez Group. University of California Publications Bulletin of the Department of Geology 4(5):101-123

Belongs to Tritonium according to C. E. Weaver 1905

See also Dickerson 1916

Sister taxa: Charonia (Charonia), Charonia guichemerri, Charonia lampas, Charonia multinodosa, Charonia sauliae, Charonia tritonis, Charonia variegata, Charonia weisbordi, Triton crassidens, Triton oligostirus, Triton sexcostatus, Triton mississpiensis, Triton atavus, Triton cribrosus, Triton heptagonum, Triton ovoideus, Triton obscurus, Triton buccinoides, Triton connectens, Triton quoyi, Triton obscurus, Triton abbreviatus, Tritonium centrosum, Tritonium newsomi, Tritonium martinezensis, Tritonium eocenicum, Tritonium pulchrum, Tritonium buwaldi

Ecology: epifaunal carnivore

Distribution: found only at UCMP 337 (Paleocene of California)

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Specimen images are retrieved through the ePANDDA API.