†Diorthelasma parvum Cooper 1956 (lamp shell)
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Rhynchonellata - Orthida - Draboviidae
Full reference: G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245
Belongs to Diorthelasma according to Y. Candela and D. A. T. Harper 2014
See also Cooper 1956, Rasmussen et al. 2012 and Williams 1962
Sister taxa: Diorthelasma semotum, Diorthelasma weissi
Type specimen: USNM 117322a, a shell
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (1: Alaska collection)
• Chazy of United States (1: Alabama)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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