Diorthelasma Cooper 1956 (lamp shell)

Rhynchonellata - Orthida - Draboviidae

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

Parent taxon: Draboviinae according to A. Williams et al. 2000

See also Cooper 1956 and Sepkoski 2002

Sister taxa: Boticium, Dalmanellopsis, Draborthis, Drabovia, Drabovinella, Eodiorthelasma, Fascifera, Hirnantia, Kinnella, Megasalopina, Nocturnellia, Oanduporella, Orthiella, Pionodema, Protomendacella, Salopina, Sphenophragmus, Talentella, Tunariorthis

Subtaxa: Diorthelasma parvum Diorthelasma semotum Diorthelasma weissi

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Silurian of Norway (6 collections)

• Chazyan of United States (1: Alabama)

• Arenig of China (2)

• Ordovician of China (1), United States (11: Alaska, Illinois, Iowa, Minnesota)

Total: 21 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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