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Pachymylus; Temporal range: Middle Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Holocephali
Order:	Chimaeriformes
Family:	Callorhinchidae
Genus:	† Pachymylus ; Woodward, 1892
Species
	Pachymylus leedsi;

Pachymylus

Last updated May 27, 2025

Pachymylus is an extinct genus of chimaera belonging to the family Callorhinchidae. The type species. P. leedsi was described by A. S. Woodward in 1892, and is known from the Middle-Late Jurassic (Callovian-Oxfordian) Oxford Clay of Peterborough, England. The type material consisted of a large mandibular tooth and two palatine teeth.^[1]^[2] Indeterminate remains of the genus are also known from the Middle Jurassic (Bajocian) of France.^[2]

References

↑ Woodward, A. Smith (1892). "III.—On some teeth of new Chimæroid fishes from the Oxford and Kimmeridge Clays of England". Annals and Magazine of Natural History. 10 (55): 13–16. doi:10.1080/00222939208677369.
1 2 Popov, Evgeny V.; Delsate, Dominique; Felten, Roland (2019-07-02). "A New Callorhinchid Genus (Holocephali, Chimaeroidei) from the Early Bajocian of Ottange-Rumelange, on the Luxembourg-French Border" . Paleontological Research. 23 (3): 220. doi:10.2517/2018PR021. ISSN 1342-8144.

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[1] Woodward, A. Smith (1892). "III.—On some teeth of new Chimæroid fishes from the Oxford and Kimmeridge Clays of England". Annals and Magazine of Natural History. 10 (55): 13–16. doi:10.1080/00222939208677369.

[:0-2] 1 2 Popov, Evgeny V.; Delsate, Dominique; Felten, Roland (2019-07-02). "A New Callorhinchid Genus (Holocephali, Chimaeroidei) from the Early Bajocian of Ottange-Rumelange, on the Luxembourg-French Border" . Paleontological Research. 23 (3): 220. doi:10.2517/2018PR021. ISSN 1342-8144.

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