Pnigeacanthus trigonalis
St. John & Worthen, 1883
Classification: Euchondrocephali Petalodontiformes Janassidae
Reference of the original description
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264
Types
Pnigeacanthus trigonalis
Pnigeacanthus trigonalis
Description:
Citation: Pnigeacanthus trigonalis St. John & Worthen, 1883: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 02/2025
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Remarks
shark-references Species-ID=17495
shark-references Species-ID=17495
References
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264
