Ptychacanthus sublaevis

Agassiz, 1843


Classification: Elasmobranchii Hybodontiformes Tristychiidae

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
Ptychacanthus sublaevis



Description:


Citation: Ptychacanthus sublaevis 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=11586;
synonym of Tristychius arcuatus after Woodward (1889) p. 245 [2593]

References
Giebel, C.G. (1848)
Die Fische der Vorwelt, mit steter Berücksichtigung der lebenden Fische. Erster Band: Wirbelthiere. Dritte Abtheilung: Fische: i–xii, 1–467. Leipzig (Brockhaus).