Columnaodus

Columnaodus; Temporal range: Mississippian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	† Hybodontiformes
Genus:	† Columnaodus
Species:	†C. witzkei
Binomial name
	†Columnaodus witzkei; Cicimurri et. al., 2024

Last updated February 18, 2025

Columnaodus is an extinct genus of hybodontiform that lived during the Mississippian.

Distribution

Columnaodus witzkei fossils are known from the Burlington-Keokuk Bonebed on the border between Illinois and Iowa.^[1]

References

↑ Cicimurri, David; Ciampaglio, Charles; Hoenig, Matthew; Shell, Ryan; Fuelling, Lauren; Peterman, David; Cline, Daniel A.; Jacquemin, Stephen (6 May 2024). "A Description of the New Hybodont Shark Genus, Columnaodus, from the Burlington and Keokuk Limestones (Carboniferous, Mississippian, Osagean) of Illinois and Iowa, USA". Diversity . 16 (5): 276. Bibcode:2024Diver..16..276C. doi: 10.3390/d16050276 . ISSN 1424-2818.

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[1] Cicimurri, David; Ciampaglio, Charles; Hoenig, Matthew; Shell, Ryan; Fuelling, Lauren; Peterman, David; Cline, Daniel A.; Jacquemin, Stephen (6 May 2024). "A Description of the New Hybodont Shark Genus, Columnaodus, from the Burlington and Keokuk Limestones (Carboniferous, Mississippian, Osagean) of Illinois and Iowa, USA". Diversity . 16 (5): 276. Bibcode:2024Diver..16..276C. doi: 10.3390/d16050276 . ISSN 1424-2818.

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