Thedusia discissa Cooper and Grant 1976 (lamp shell)

Rhynchonellata - Athyridida - Neoretziidae

Full reference: G. A. Cooper and R. E. Grant. 1976. Permian Brachiopods of west Texas, V. Smithsonian Contributions to Paleobiology 24:2609-3159

Belongs to Thedusia according to G. A. Cooper and R. E. Grant 1976

Sister taxa: Thedusia angustata, Thedusia biconvexa, Thedusia bucrenata, Thedusia dischides, Thedusia emarginata, Thedusia latisulcata, Thedusia magna, Thedusia mesocostata, Thedusia paucicostata, Thedusia procera, Thedusia trigonalis, Thedusia ventricosa

Type specimen: USNM 153264t, a shell (Articulated shell). Its type locality is USNM708u, Split Tank, Glass Mountains, which is in a Kungurian marine limestone in the Cathedral Mountain Formation of Texas.

Ecology: stationary low-level epifaunal suspension feeder

Distribution: found only at USNM708u, Split Tank, Glass Mountains

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