Gyracanthus

Gyracanthus (from Greek: γύρος gyros, 'curved' and Greek: ἄκανθα akantha, 'spine')^[2] is an extinct genus of acanthodian.^[3]

Gyracanthus Temporal range: Middle Devonian–Bashkirian PreꞒ Ꞓ O S D C P T J K Pg N
Shoulder girdle and pectoral fin spine of Gyracanthus sherwoodi, Academy of Natural Sciences of Drexel University
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Acanthodii
Order:	†Climatiiformes (?)
Family:	†Gyracanthidae
Genus:	†Gyracanthus Agassiz, 1837[1]

Artist's reconstruction of Gyracanthus

See also

• List of acanthodians

References

1. "Fossilworks: Gyracanthus".
2. Roberts, George (1839). An etymological and explanatory dictionary of the terms and language of geology. London: Longman, Orme, Brown, Green, & Longmans. p. 74. Retrieved 30 December 2021.
3. Snyder, D., Turner, S., Burrow, C. J., & Daeschler, E. B. (2017). “Gyracanthus” sherwoodi (Gnathostomata, Gyracanthidae) from the Late Devonian of North America. Proceedings of the Academy of Natural Sciences of Philadelphia, 165(1), 195–219.