Helodus (Psammodus) laevissimus
(Agassiz, 1837)
Classification: Holocephali Psammodontiformes Psammodontidae
Reference of the original description
Recherches sur les poissons fossiles, 8th and 9th livraisons (September 1837). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [i]-viii, 1-[72], pl. B, C, 10a, 10b, 13, 14, 16, 21, 25a, 40a.
Recherches sur les poissons fossiles, 8th and 9th livraisons (September 1837). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [i]-viii, 1-[72], pl. B, C, 10a, 10b, 13, 14, 16, 21, 25a, 40a.
Types
Helodus (Psammodus) laevissimus
Helodus (Psammodus) laevissimus
Description:
Citation: Helodus (Psammodus) laevissimus (Agassiz, 1837): 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=17532
shark-references Species-ID=17532
References
Type Fossils in the Bristol Museum. Geological magazine, dec. 3, 7, 363–372
Type Fossils in the Bristol Museum. Geological magazine, dec. 3, 7, 363–372
