Fish fauna of the middle Phosphoria Formation

C. C. Branson

1933

Article

Journal of Geology 41:174-183

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Taxa discussed in this work:

• Ancistriodus
• Ancistriodus multisectus
• Ctenacanthus mutabilis
• Dolophonodus
• Dolophonodus uncinatus
• Hamatus
• Hamatus phosphoriensis
• Lophodus

Taxonomy:

• Hamatus phosphoriensis belongs to Hamatus - Branson (1916)
• Hamatus belongs to Chondrichthyes - Branson (1933)
• Ancistriodus belongs to Chondrichthyes - Branson (1933)
• Ancistriodus multisectus belongs to Ancistriodus - Branson (1933)
• Janassa unguicula belongs to Janassa - Branson (1933)
• Ctenacanthus mutabilis belongs to Ctenacanthus - Branson (1933)
• Helodus subpolitus belongs to Helodus - Branson (1933)