Chondrichthyans from the base of the Irati Formation (Early Permian, Paraná Basin), São Paulo, Brazil

A. Chahud, T. R. Fairchild, and S. Petri

2010

Article

Gondwana Research 18:528-537

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Taxa discussed in this work:

• Itapyrodus
• Itapyrodus punctatus
• Orodontidae
• Orodus ipeunaensis
• Sphenacanthus sanpauloensis

Taxonomy:

• Itapyrodus belongs to Petalodontidae - Chahud et al. (2010)
• Itapyrodus punctatus belongs to Itapyrodus - Chahud et al. (2010)
• Orodus ipeunaensis belongs to Orodus - Chahud et al. (2010)
• Sphenacanthus sanpauloensis belongs to Sphenacanthus - Chahud et al. (2010)