Xenacanthus tenuis

(Woodward, 1889)


Classification: Elasmobranchii Xenacanthiformes Xenacanthidae

Reference of the original description
Woodward, A.S. (1889)
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.

Synonyms / new combinations and misspellings
Diplodus tenuis

Types
Xenacanthus tenuis

Diplodus tenuis
Syntype: NHMUK: PV P 3026; NHMUK: PV OR 20695;

Images of types

Description:


Citation: Xenacanthus tenuis (Woodward, 1889): In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 10/2024

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Diplodus tenuis sp. nov.; three teeth, anterior, posterior, and imperfect lateral aspects, twice nat. size; Coal-Meas. ; Carluke, Lanarkshire. [P. 3026, 20695.]

Description
Original description of Woodward, 1889 p. 11 [2593]:
1843. Diplodus gibbosus, L. Agassiz, Poiss. Foss. voL iii. p. 204, pi. 226, figs. 2-5.
1861. Pleuracanthus (Xenacanthus) gibbosus, J. W. Salter, Iron Ores Gt. Britain — South Wales (Mem. Geol. Surv.), p. 224, pi. i. fig. 10.
(?) 1873. Diplodus gibbosus and Diplodus sp., T. P. Barkas, Coal Meas. Palae-ont. p. 16, pl. i. figs. 6-13.
1874. Diplodus, W. J. Barkas, Monthly Rev. Dental Surgery, vol. ii. p. 346, figs. i.-v. Type. Detached teeth, PI. VI. figs. 2-4; British Museum. The two principal cones of the dental crown slender, round in section, slightly compressed and divergent towards the extremities; intermediate denticle very long and slender.
Form. & Loc. Coal-Measures : Scotch Coalfield ; Northumberland, Yorkshire, Lancashire, Staffordshire ; South Wales.

Remarks
shark-references Species-ID=9073;

References
Schnetz, L. & Dunne, E.M. & Feichtinger, I. & Butler, R.J. & Coates, M.I. & Sansom, I.J. (2024)
Rise and diversification of chondrichthyans in the Paleozoic. Paleobiology, in press
DOI: 10.1017/pab.2024.1
Ginter, M. & Hampe, O. & Duffin, C.J. (2010)
Handbook of Paleoichthyology, Vol. 3D: Chondrichthyes Paleozoic Elasmobranchii: Teeth Verlag Dr. Friedrich Pfeil, pp. 168, 154 fig., 4 Tab.
Hampe, O. (2003)
Revision of the Xenacanthida (Chondrichthyes: Elasmobranchii) from the Carboniferous of the British Isles. Transactions of the Royal Society of Edinburgh, Earth Sciences, 93(3), 191–237
DOI: 10.1017/S0263593300000419
Woodward, A.S. (1889)
Catalogue of the fossil fishes in the British Museum. Part. I. British Museum (Natural History): 474 p., fig., 17 pl.