Sphenodus planus

(AGASSIZ, 1843)


Classification: Elasmobranchii Hexanchiformes Orthacodontidae

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
Sphenodus planus



Description:


Citation: Sphenodus planus (AGASSIZ, 1843): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 02/2021

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References
BARROIS, C. (1874)
Vertebres fossiles de la Craie du Nord de la France. Annales de la Société Géologique du Nord, 1: 42–44
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).