Devonian orthotetides from South America have often been uncritically assigned to a limited number of broadly described species. Schellwienella clarkei n. sp. is described from the Ponta Grossa Formation, Paraná Basin, southern Brazil. These brachiopods had been identified as Schuchertella agassizi. Schellwienella clarkei n. sp. differs from Schuchertella agassizi on the basis of shell structure, dental plates, and cardinalia.
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Vol. 95 • No. 4