ammonites
Rugaria Cooper and Grant 1969 (lamp shell)

Strophomenata - Productida - Rugosochonetidae

Full reference: G. A. Cooper and R. E. Grant. 1969. New Permian brachiopods from west Texas. Smithsonian Contributions to Paleobiology 1:1-20

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

Sister taxa: Hemichonetes, Plicochonetes, Prorugaria, Sulcirugaria

Subtaxa: Rugaria crassa, Rugaria exquisita, Rugaria hessensis, Rugaria molengraaffi, Rugaria nisalensis, Rugaria pajchoica

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Ecology: stationary low-level epifaunal suspension feeder