Helodus simplex

Agassiz, 1838


Classification: Holocephali Helodontiformes Helodontidae

Reference of the original description
Agassiz, L. (1838)
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 cf. simplex

Types
Helodus simplex



Description:


Citation: Helodus simplex Agassiz, 1838: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2024

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References
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Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
Johanson, Z. & Underwood, C. & Coates, M.I. & Fernandez, V. & Clark, B. & Smith, M.M. (2021)
The stem-holocephalan Helodus (Chondrichthyes; Holocephali) and the evolution of modern chimaeroid dentitions. In: Ancient Fishes and their Living Relatives: a Tribute to John G. Maisey. Alan Pradel, John S. S. Denton & Philippe Janvier (eds.): pp. 205-214, Verlag Dr. Friedrich Pfeil, München, Germany
Coates, M.I. & Tietjen, K. & Johanson, Z. & Friedman, M. & Sang, S. (2021)
The cranium of Helodus simplex (Agassiz, 1838) revised. In: Ancient Fishes and their Living Relatives: a Tribute to John G. Maisey. Alan Pradel, John S. S. Denton & Philippe Janvier (eds.): pp. 193-204, Verlag Dr. Friedrich Pfeil, München, Germany
Johanson, Z. & Manzanares, E. & Underwood, C. & Clark, B. & Section, V.F. & Smith, M. (2020)
Evolution of the Dentition in Holocephalans (Chondrichthyes) Through Tissue Disparity. Integrative and Comparative Biology: 60(3): 630–643
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Diverse and durophagous: Early Carboniferous chondrichthyans from the Scottish Borders. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 108(1), 67–87
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A new cochliodont anterior tooth plate from the Mississippian of Alabama (USA) having implications for the origin of tooth plates from tooth files. Zoological Letters, 4, Article 12
DOI: 10.1186/s40851-018-0097-8
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Moy-Thomas, J.A. (1936)
On the structure and affinities of the Carboniferous cochliodont Helodus simplex. Geological Magazine, 73, 488–503
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A few Remarks on Dipterus and Ctenodus, and on their Relationship to Ceratodus Forsteri, Krefft. Transactions of the Natural History Society of Northumberland, Durham, and Newcastle–upon–Tyne, 4(17), 397–423
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Agassiz, L. (1838)
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.