Ischyodus cf. brevirostris

(Agassiz, 1843)


Classification: Holocephali Chimaeriformes Edaphodontidae

Reference of the original description
Agassiz, L. (1843)
Recherches sur les poissons fossiles, 15th and 16th livraisons (March 1843). Jent and Gassmann, Soleure (text) and H. Nicolet, Neuchâtel (planches). – vol. 3: [i]-[iv], 157-390, 382*-382**, 1–32, [33]-[34], pl. 1, 18, 22, 22a, 22b, 26a, 38, 40b, 40c, 40d, 45, 47

Types
Ischyodus cf. brevirostris



Description:


Citation: Ischyodus cf. brevirostris (Agassiz, 1843): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024

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Remarks
shark-references Species-ID=15257;

References
Orvig, T. (1985)
Histologic studies of ostracoderms, placoderms and fossil elasmobranchs. 5. Ptyctodontid tooth plates and their bearing on holocephalan ancestry: the condition of chimaerids. Zoologica Scripta, 14(1), 55–79
DOI: 10.1111/j.1463-6409.1985.tb00178.x