Rhynchonellata - Orthida - Orthidae
Alternative combinations: Orthambonites tenuicostatus, Sivorthis tenuicostata
Full reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245
Belongs to Sivorthis according to Y. Candela and D. A. T. Harper 2014
See also Cooper 1956, Jaanusson and Bassett 1993 and Williams 1962
Sister taxa: Sivorthis ardmillanensis, Sivorthis bellus, Sivorthis calatravaensis, Sivorthis eucharis, Sivorthis filistera, Sivorthis friendsvillensis, Sivorthis minus, Sivorthis minutus, Sivorthis multicostellatus, Sivorthis noctilio, Sivorthis occidentalis, Sivorthis precordillerana
Type specimen: USNM 116875b, a shell
Distribution:
• Chazyan of United States (1: Alabama collection)
• Ordovician of the United Kingdom (1), United States (1: Alabama)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.