Sivorthis multicostellatus Cooper 1956

Rhynchonellata - Orthida - Orthidae

Alternative combination: Orthambonites multicostellatus

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

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

Distribution: there are no occurrences of Sivorthis multicostellatus in the database

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