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Silva Santos, 1946
Sphenacanthus marshi Newberry, 1873
Sphenacanthus riorastoensis Pauliv et al., 2012
Sphenacanthus sanpauloensis Chahud et al., 2010...
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Acrolepis A bony fish,
known from
fossil scales.
Sphenacanthus S.
riorastoensis Serrinha Member A
sphenacanthid shark.
Paranaichthys P. longianalis...
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Formation China An elasmobranch, a
species of Rugosicorona.
Sphenacanthus riorastoensis Sp. nov
Valid Pauliv, Dias &
Sedor Permian (Wordian to Wuchiapingian)...
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minor Davis, 1879 †Sphenacanthus
nodosus Egerton, 1853 †Sphenacanthus
riorastoensis Pauliv, Dias & Sedor, 2012 †Sphenacanthus
sanpauloensis Chahud, Fairchild...