Helodus turgidus
(Agassiz, 1838)
Classification: Holocephali Helodontiformes Helodontidae
Reference of the original description
Recherches sur les poissons fossiles, 11th livraison (November 1838). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [73]-140, pl. 1a, 8a, 8b, 15, 17, 19, 20, 24, 25b, 30, 31, 32, 33, 34, 35, 39, 40.
Recherches sur les poissons fossiles, 11th livraison (November 1838). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [73]-140, pl. 1a, 8a, 8b, 15, 17, 19, 20, 24, 25b, 30, 31, 32, 33, 34, 35, 39, 40.
Synonyms / new combinations and misspellings
Helodus (Psammodus) turgidus, Psammodus turgidus
Helodus (Psammodus) turgidus, Psammodus turgidus
Types
Helodus turgidus
Helodus turgidus
Description:
Citation: Helodus turgidus (Agassiz, 1838): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 02/2025
Remarks
shark-references Species-ID=8780;
shark-references Species-ID=8780;
References
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
Déscriptions des poissons élasmobranches du Marbre noir de Denée. Mémoires de la Société géologique du Nord, 9(2), 1–21
Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264
Faune du calcaire carbonifère de la Belgique. Première partie, poissons et genre nautile. Annales de Musée royal d'histoire naturelle de Belgique, 2: 9–76
A synopsis of the classification of the British Palæozoic rocks, with a systematic description of the British Palæozoic fossils in the Geological museum of the University of Cambridge. In Sedgwick, A.(ed), A synopsis of the classification of the British Palæozoic rocks, London :J.W. Parker and Son; [etc.] 1855.
Description of the British Palaeozoic fossils in the Geological Museum of the University of Cambridge. 661 pp.(Parker and Son), London.
Die Fische der Vorwelt, mit steter Berücksichtigung der lebenden Fische. Erster Band: Wirbelthiere. Dritte Abtheilung: Fische: i–xii, 1–467. Leipzig (Brockhaus).
A stratigraphical list of British fossils; arranged under the principal division of the British strata, with a few elementary remarks on their character and localities. London, Reeve Brothers, Strand, 132pp
Traité élémentaire de paléontologie; ou, Histoire naturelle des animaux fossiles, considérés dans leurs rapports zoologiques et géologiques. Paris, Langlois et Leclerq, 1844-46, vol. II, pp. 259-310
Report on the Geology of the County of Londonderry, and of Parts of Tyrone and Fermanagh. Memoirs of the Geological Survey of the United Kingdom, district mem. Geol. Surv. Ireland, Dublin, xxxi + 784 pp., A. Milliken, 1843, 784pp
Synoptical Table of British Fossil Fishes, Arranged in the Order of the Geological Formations. Report of the British Association for the Advancement of Science, 13th Meeting (1843), 194–207
Catalogue of Fossil Fish in the Collections of the Earl of Enniskillen, F.G.S. and Sir Philip Grey Egerton, Bart., F.R.S. Annals and Magazine of Natural History, 7(46), 487–498
Recherches sur les poissons fossiles, 11th livraison (November 1838). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [73]-140, pl. 1a, 8a, 8b, 15, 17, 19, 20, 24, 25b, 30, 31, 32, 33, 34, 35, 39, 40.
Recherches sur les poissons fossiles, 11th livraison (November 1838). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [73]-140, pl. 1a, 8a, 8b, 15, 17, 19, 20, 24, 25b, 30, 31, 32, 33, 34, 35, 39, 40.
A systematic and stratigraphical cataloge of the fossil fish in the cabinets of Lord Cole and Sir Philip Grey Egerton: together with an alphabetical and stratigraphical catalogue of the same species with references to their published figures and descriptions. London, 1837
DOI: 10.5962/bhl.title.23781
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1

Déscriptions des poissons élasmobranches du Marbre noir de Denée. Mémoires de la Société géologique du Nord, 9(2), 1–21

Bibliography and catalogue of the fossil Vertebrata of North America. Bulletin of the United States Geological and Geographical Survey of the Territories, 179, 1–868
Descriptions of fossil fishes; a partial revision of the Cochliodonts and Psammodonts. Geological Survey of Illinois, 7, 55–264

Faune du calcaire carbonifère de la Belgique. Première partie, poissons et genre nautile. Annales de Musée royal d'histoire naturelle de Belgique, 2: 9–76

A synopsis of the classification of the British Palæozoic rocks, with a systematic description of the British Palæozoic fossils in the Geological museum of the University of Cambridge. In Sedgwick, A.(ed), A synopsis of the classification of the British Palæozoic rocks, London :J.W. Parker and Son; [etc.] 1855.
Description of the British Palaeozoic fossils in the Geological Museum of the University of Cambridge. 661 pp.(Parker and Son), London.
Die Fische der Vorwelt, mit steter Berücksichtigung der lebenden Fische. Erster Band: Wirbelthiere. Dritte Abtheilung: Fische: i–xii, 1–467. Leipzig (Brockhaus).
A stratigraphical list of British fossils; arranged under the principal division of the British strata, with a few elementary remarks on their character and localities. London, Reeve Brothers, Strand, 132pp
Traité élémentaire de paléontologie; ou, Histoire naturelle des animaux fossiles, considérés dans leurs rapports zoologiques et géologiques. Paris, Langlois et Leclerq, 1844-46, vol. II, pp. 259-310

Report on the Geology of the County of Londonderry, and of Parts of Tyrone and Fermanagh. Memoirs of the Geological Survey of the United Kingdom, district mem. Geol. Surv. Ireland, Dublin, xxxi + 784 pp., A. Milliken, 1843, 784pp
Synoptical Table of British Fossil Fishes, Arranged in the Order of the Geological Formations. Report of the British Association for the Advancement of Science, 13th Meeting (1843), 194–207

Catalogue of Fossil Fish in the Collections of the Earl of Enniskillen, F.G.S. and Sir Philip Grey Egerton, Bart., F.R.S. Annals and Magazine of Natural History, 7(46), 487–498

Recherches sur les poissons fossiles, 11th livraison (November 1838). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [73]-140, pl. 1a, 8a, 8b, 15, 17, 19, 20, 24, 25b, 30, 31, 32, 33, 34, 35, 39, 40.

Recherches sur les poissons fossiles, 11th livraison (November 1838). Petitpierre et Prince (text) and H. Nicolet (plates), Neuchâtel, vol. 3: [73]-140, pl. 1a, 8a, 8b, 15, 17, 19, 20, 24, 25b, 30, 31, 32, 33, 34, 35, 39, 40.

A systematic and stratigraphical cataloge of the fossil fish in the cabinets of Lord Cole and Sir Philip Grey Egerton: together with an alphabetical and stratigraphical catalogue of the same species with references to their published figures and descriptions. London, 1837
DOI: 10.5962/bhl.title.23781