Pyknotylacanthus spathianus gen et sp nov, a new ctenacathoid from the Early Triassic of Bear Lake (Idaho, USA)

R. J. Mutter, and H. Rieber

2005

Article

Revista Brasileira de Paleontologia 8(2):139-148

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Taxa discussed in this work:

• Pyknotylacanthus
• Pyknotylacanthus spathianus

Taxonomy:

• Pyknotylacanthus belongs to Ctenacanthoidea - Mutter and Rieber (2005)
• Pyknotylacanthus spathianus belongs to Pyknotylacanthus - Mutter and Rieber (2005)
• Nemacanthus elegans belongs to Nemacanthus - Mutter and Rieber (2005)
• Pyknotylacanthus humboldtensis belongs to Pyknotylacanthus - Mutter and Rieber (2005)