Recurvacanthus uniserialis
Duffin, 1981
Classification: Holocephali Chimaeriformes Myriacanthidae
Reference of the original description
The fin spine of a new holocephalan from the lower jurassic of Lyme Regis, Dorset, England. Geobios, 14(4), 469–475
The fin spine of a new holocephalan from the lower jurassic of Lyme Regis, Dorset, England. Geobios, 14(4), 469–475
Images of types
Description:
Citation: Recurvacanthus uniserialis Duffin, 1981: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2024
Please send your images of "Recurvacanthus uniserialis" to info@shark-references.com
Recurvacanthus uniserialis Duffin, 1981, Fin spines, NHMUK PV P2850 - holotype, Lower Lias, Sinemurian, Early Jurassic of Lyme Regis, Dorset, UK; B - SMNS 97004, Schwarzjura (Lias) epsilon II 12 Schlacken bed, Posidonienschiefer, Lower Toarcian, Early Jurassic of Kromer Quany (Schieferbruch Kromer), NE of Ohmden, Germany. © Duffin & Joiko (2020)
Recurvacanthus uniserialis Duffin, 1981, Fin spines, NHMUK PV P2850 - holotype, Lower Lias, Sinemurian, Early Jurassic of Lyme Regis, Dorset, UK; B - SMNS 97004, Schwarzjura (Lias) epsilon II 12 Schlacken bed, Posidonienschiefer, Lower Toarcian, Early Jurassic of Kromer Quany (Schieferbruch Kromer), NE of Ohmden, Germany. © Duffin & Joiko (2020)
Description
Original diagnose after Duffin, 1981 p. 470 [4823]: Myriacanthid holocephalan spine showing little lateral compression and a flat posterior wall. Lateral walls ornamented by tubercles. Posterior wall ornamented by a series of four large, strongly curved denticles, located in the midline and pointing downwards. In comparison to other hotocephalan spines, the spine of this genus is quite strongly recurved, especially distally.
Original diagnose after Duffin, 1981 p. 470 [4823]: Myriacanthid holocephalan spine showing little lateral compression and a flat posterior wall. Lateral walls ornamented by tubercles. Posterior wall ornamented by a series of four large, strongly curved denticles, located in the midline and pointing downwards. In comparison to other hotocephalan spines, the spine of this genus is quite strongly recurved, especially distally.
Remarks
shark-references Species-ID=8114;
type species of Recurvacanthus Duffin, 1981 p. 470 [4823] by original designation (Art. 68.2 ICZN);
valid after Duffin, 1981 p. 471 [4823]; Duffin & Joiko (2020) p. 319 [28560];
shark-references Species-ID=8114;
type species of Recurvacanthus Duffin, 1981 p. 470 [4823] by original designation (Art. 68.2 ICZN);
valid after Duffin, 1981 p. 471 [4823]; Duffin & Joiko (2020) p. 319 [28560];
References
A fin spine of Recurvacanthus (Myriacanthidae, Holocephali) from the Posidonienschiefer (Early Jurassic) of SW Germany. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 296(3), 317–326
DOI: 10.1127/njgpa/2020/0908
Chondrichthyes In Lord, A.R. & Davis, P.G. (Eds.) Fossils from the Lower Lias of the Dorset Coast. Field Guide to Fossils No. 13, 436 pp. Palaeontological Association: Dorchester: pp. 317-340
Handbook of Paleoichthyology, Vol. 4: Chondrichthyes III. Holocephali. Verlag Dr. Friedrich Pfeil, 164 pp.
Chapter 12 – British Jurassic fossil fishes sites. In Dineley, D. & Metcalf, S. 1999. Fossil Fishes of Great Britain. Geological Conservation Review Series No. 16. JNCC, Peterborough, ISBN 1 86107 470 0 (pp. 355–415).
The fin spine of a new holocephalan from the lower jurassic of Lyme Regis, Dorset, England. Geobios, 14(4), 469–475
DOI: 10.1016/S0016-6995(81)80122-2
A fin spine of Recurvacanthus (Myriacanthidae, Holocephali) from the Posidonienschiefer (Early Jurassic) of SW Germany. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 296(3), 317–326
DOI: 10.1127/njgpa/2020/0908
Chondrichthyes In Lord, A.R. & Davis, P.G. (Eds.) Fossils from the Lower Lias of the Dorset Coast. Field Guide to Fossils No. 13, 436 pp. Palaeontological Association: Dorchester: pp. 317-340
Handbook of Paleoichthyology, Vol. 4: Chondrichthyes III. Holocephali. Verlag Dr. Friedrich Pfeil, 164 pp.
Chapter 12 – British Jurassic fossil fishes sites. In Dineley, D. & Metcalf, S. 1999. Fossil Fishes of Great Britain. Geological Conservation Review Series No. 16. JNCC, Peterborough, ISBN 1 86107 470 0 (pp. 355–415).
The fin spine of a new holocephalan from the lower jurassic of Lyme Regis, Dorset, England. Geobios, 14(4), 469–475
DOI: 10.1016/S0016-6995(81)80122-2
