Egertonodus duffini
Rees & Underwood, 2008
Classification: Elasmobranchii Hybodontiformes Hybodontidae
Reference of the original description
Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). Palaeontology, 51(1), 117–147
Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). Palaeontology, 51(1), 117–147
Description:
Citation: Egertonodus duffini Rees & Underwood, 2008: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 04/2024
Please send your images of "Egertonodus duffini" to info@shark-references.com
Egertonodus duffinisp. nov. 4, holotype, P. 66479, anterior tooth-crown, labial view. 5, 28590a, anterior tooth-crown, labial view. 6, P. 2181, antero-lateral tooth-crown, labial view. 7, paratype, 35495, anterior tooth-crown, lingual view. 8, paratype, P. 66480, antero-lateral tooth-crown, labial view. 9, P. 5104, lateral tooth-crown, labial view. 10, 37750, anterior tooth-crown, labial view. All from Stonesfield Slate, Stonesfield; x 3. © Rees & Underwood, 2008
Egertonodus duffinisp. nov. 4, holotype, P. 66479, anterior tooth-crown, labial view. 5, 28590a, anterior tooth-crown, labial view. 6, P. 2181, antero-lateral tooth-crown, labial view. 7, paratype, 35495, anterior tooth-crown, lingual view. 8, paratype, P. 66480, antero-lateral tooth-crown, labial view. 9, P. 5104, lateral tooth-crown, labial view. 10, 37750, anterior tooth-crown, labial view. All from Stonesfield Slate, Stonesfield; x 3. © Rees & Underwood, 2008
Description
Original diagnosis after Rees & Underwood (2008) [2555]: Large hybodont shark separated from all Hybodus and other Egertonodus species possessing high, multicuspid teeth by the following combination of dental characters: (1) anterior teeth with a high, slender, sigmoidally curved central cusp; (2) strong, somewhat labially displaced cutting edges and a flattened labial surface; (3) three pairs of widely spaced, high, slender lateral cusplets in anterior teeth.
Original diagnosis after Rees & Underwood (2008) [2555]: Large hybodont shark separated from all Hybodus and other Egertonodus species possessing high, multicuspid teeth by the following combination of dental characters: (1) anterior teeth with a high, slender, sigmoidally curved central cusp; (2) strong, somewhat labially displaced cutting edges and a flattened labial surface; (3) three pairs of widely spaced, high, slender lateral cusplets in anterior teeth.
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References
Palaeontology, stratigraphy and sedimentology of Woodeaton Quarry (Oxfordshire) and a new microvertebrate site from the White Limestone Formation (Bathonian, Jurassic). Proceedings of the Geologists' Association, 130(2), 170–186
DOI: 10.1016/j.pgeola.2019.02.003
Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). Palaeontology, 51(1), 117–147
DOI: 10.1111/j.1475-4983.2007.00737.x
Palaeontology, stratigraphy and sedimentology of Woodeaton Quarry (Oxfordshire) and a new microvertebrate site from the White Limestone Formation (Bathonian, Jurassic). Proceedings of the Geologists' Association, 130(2), 170–186
DOI: 10.1016/j.pgeola.2019.02.003
Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). Palaeontology, 51(1), 117–147
DOI: 10.1111/j.1475-4983.2007.00737.x
