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Collemataria irregularis Cooper and Grant 1974 (lamp shell)

Strophomenata - Productida - Lyttoniidae

PaleoDB taxon number: 124045

Full reference: G. A. Cooper and R. E. Grant. 1974. Permian brachiopods of West Texas, II. Smithsonian Contributions to Paleobiology 15:233-793

Belongs to Collemataria according to G. A. Cooper and R. E. Grant 1974

Sister taxa: Collemataria americana, Collemataria batilliformis, Collemataria elongata, Collemataria gregaria, Collemataria marshalli, Collemataria platys, Collemataria spatulata, Collemataria venezuelensis

Type specimen: USNM 153635a, a valve. Its type locality is USNM703b, Old Word Ranch, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Cathedral Mountain Formation of Texas.

Ecology: stationary low-level epifaunal suspension feeder

Average measurements (in mm): shell 41.5 x 31.0, valve 51.2 x 37.3