Sphenacanthus ignis Figueroa & Gallo, 2017 Pz.UERJ 530 Holotype
keyword time: Permian, Early Permian, Cisuralian
stratigraphy: Pedra de Fogo Formation, Parnaíba Basin.
location: Road to Nova Iorque from Pastos Bons, Maranhão
specimens: 1
kind: dorsal fin spine
remarks: Fig. 5