Fig. 3. Symmorium reniforme Cope, 1893 in Taxonomic notes on "Phoebodus heslerorum" and Symmorium reniforme (Chondrichthyes, Elasmobranchii).

Fig. 3. Symmorium reniforme Cope, 1893, holotype, UF 574 (FMNH), from the vicinity of Galesburg, Knoxville County, Illinois, Upper Carboniferous, Desmoinesian. A. Anterior part of the specimen (corresponding to the right side in Williams 1985: text−fig. 16). B. Close−up of a group of teeth situated in the marked area. Scale bars 20 mm.