Calliprotonia inexpectatum Cooper 1957 (lamp shell)

Strophomenata - Productida - Echinoconchidae

Alternative combinations: Bathymyonia inexpectans, Echinoconchus inexpectatus

Full reference: G. A. Cooper. 1957. Permian brachiopods from central Oregon. Smithsonian Miscellaneous Contributions 134(12):1-79

Belongs to Calliprotonia according to G. R. Shi and J.B. Waterhouse 1996

See also Cooper 1957, Logan and McGugan 1968 and Nassichuk and Spinosa 1972

Sister taxon: Calliprotonia sterlitamakensis

Type specimen: USNM 125551, a shell (Articulated shell)

Ecology: stationary low-level epifaunal suspension feeder


• Leonard of Canada (1: Yukon collection)

• Wolfcamp of Canada (1: Yukon)

• Permian of Canada (19: Alberta, British Columbia, Nunavut, Yukon), United States (22: Oregon)

Total: 43 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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