Sivorthis bellus Cooper 1956 (lamp shell)

Rhynchonellata - Orthida - Orthidae

Alternative combination: Orthambonites bellus

Full reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245

Belongs to Sivorthis according to V. Jaanusson and M. G. Bassett 1993

See also Cooper 1956

Sister taxa: Sivorthis ardmillanensis, Sivorthis calatravaensis, Sivorthis eucharis, Sivorthis filistera, Sivorthis friendsvillensis, Sivorthis minus, Sivorthis minutus, Sivorthis multicostellatus, Sivorthis noctilio, Sivorthis occidentalis, Sivorthis precordillerana, Sivorthis tenuicostatus

Ecology: stationary epifaunal suspension feeder

Distribution: found only at 1.2 miles S. 310 E. of Sharon Springs (Ordovician of Virginia)

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