Isurus retoflexus

(Agassiz, 1843)


Classification: Elasmobranchii Lamniformes Lamnidae

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
Isurus retoflexus



Description:


Citation: Isurus retoflexus (Agassiz, 1843): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2025

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Remarks
shark-references Species-ID=3303;
synonym of Isurus retroflexus after Bor et al. (2012) p. 35 [17759];


References
Höltke, O. & Rasser, M.W. & Unger, E. & Pollerspöck, J. (2020)
The Elasmobranch Fauna from the Upper Marine Molasse (Lower Miocene, Burdigalian) of Ursendorf (District Sigmaringen, Baden-Württemberg, SW-Germany). Palaeontos, 33, 1‒56
Schultz, O. (1998)
Tertiärfossilien Österreichs: Wirbellose, niedere Wirbeltiere und marine Säugetiere. 159 S., 4 Karten, 65 Tat., Korb(Goldschneck–Verlag).
Cappetta, H. (1970)
Les Sélaciens du Miocène de la région de Montpellier. Palaeovertebrata, Mémoire extraordinaire 1970, 1–139
Menesini, E. (1969)
Ittiodontoliti Miocenici di Terra d'Otranto. Palaeontographia Italica, 65, 1–61