Protosqualus barringtonensis
Guinot, Underwood, Cappetta & Ward, 2013
Classification: Elasmobranchii Squaliformes Squalidae
Reference of the original description
Sharks (Elasmobranchii: Euselachii) from the Late Cretaceous of France and the UK. Journal of Systematic Palaeontology, 11(6), 589–671
Sharks (Elasmobranchii: Euselachii) from the Late Cretaceous of France and the UK. Journal of Systematic Palaeontology, 11(6), 589–671
Synonyms / new combinations and misspellings
Protosqualus cf. sigei
Protosqualus cf. sigei
Description:
Citation: Protosqualus barringtonensis Guinot, Underwood, Cappetta & Ward, 2013: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 11/2024
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Description
Original diagnose after Guinot et al. (2013) p. 600 [24889]: Protosqualus species showing strong monognathic, dignathic and possibly sexual heterodonty. Teeth of moderate size (1–4 mm wide) with cusp short and bent distally. Mesial cutting edge better developed in the mesial three quarters of the cusp. Apron variable in shape: triangular with a broad base and rounded extremity, to nearly parallel-sided and elongate. Labial basal edge of the crown low distally and of uneven morphology mesially. Root with flat to slightly concave basal face in profile view. Axial foramina separated. Mesial expansion of the root narrower and more elongate than the distal one.
Original diagnose after Guinot et al. (2013) p. 600 [24889]: Protosqualus species showing strong monognathic, dignathic and possibly sexual heterodonty. Teeth of moderate size (1–4 mm wide) with cusp short and bent distally. Mesial cutting edge better developed in the mesial three quarters of the cusp. Apron variable in shape: triangular with a broad base and rounded extremity, to nearly parallel-sided and elongate. Labial basal edge of the crown low distally and of uneven morphology mesially. Root with flat to slightly concave basal face in profile view. Axial foramina separated. Mesial expansion of the root narrower and more elongate than the distal one.
References
Marine vertebrates from the Santonian coastal carbonates of northwestern Germany – a tool for the reconstruction of a Proto- North Sea Basin intertidal dinosaur-exchange bridge. Open Geosciences, 7(1), 342–361
DOI: 10.1515/geo-2015-0020
Sharks (Elasmobranchii: Euselachii) from the Late Cretaceous of France and the UK. Journal of Systematic Palaeontology, 11(6), 589–671
DOI: 10.1080/14772019.2013.767286
Late Cretaceous elasmobranch palaeoecology in NW Europe. Palaeogeography, Palaeoclimatology, Palaeoecology, 388, 23–41
DOI: 10.1016/j.palaeo.2013.07.027
Regional to global patterns in Late Cretaceous selachian (Chondrichthyes, Euselachii) diversity. Journal of Vertebrate Paleontology, 33(3), 521–531
DOI: 10.1080/02724634.2013.740116
Timing of deep-sea adaptation in dogfish sharks: insights from a supertree of extinct and extant taxa. Zoologica Scripta, 39(4), 331–342
DOI: 10.1111/j.1463-6409.2010.00427.x
Fossil record and origin of squaliform sharks (Chondrichthyes, Neoselachii). In Gallucci, V.F. & McFarlane, G.A. & Bargmann, G.G. (Eds). Biology and management of dogfish sharks. American Fisheries Society. Bethesda, Maryland: 19–38
Selachier (Pisces, Chondrichthyes) aus dem Cenomanium von Ascheloh am Teutoburger Wald (Nordrhein-Westfalen, NW-Deutschland). Geologie und Paläontologie in Westfalen, 20, 3–105
Marine vertebrates from the Santonian coastal carbonates of northwestern Germany – a tool for the reconstruction of a Proto- North Sea Basin intertidal dinosaur-exchange bridge. Open Geosciences, 7(1), 342–361
DOI: 10.1515/geo-2015-0020
Sharks (Elasmobranchii: Euselachii) from the Late Cretaceous of France and the UK. Journal of Systematic Palaeontology, 11(6), 589–671
DOI: 10.1080/14772019.2013.767286
Late Cretaceous elasmobranch palaeoecology in NW Europe. Palaeogeography, Palaeoclimatology, Palaeoecology, 388, 23–41
DOI: 10.1016/j.palaeo.2013.07.027
Regional to global patterns in Late Cretaceous selachian (Chondrichthyes, Euselachii) diversity. Journal of Vertebrate Paleontology, 33(3), 521–531
DOI: 10.1080/02724634.2013.740116
Timing of deep-sea adaptation in dogfish sharks: insights from a supertree of extinct and extant taxa. Zoologica Scripta, 39(4), 331–342
DOI: 10.1111/j.1463-6409.2010.00427.x
Fossil record and origin of squaliform sharks (Chondrichthyes, Neoselachii). In Gallucci, V.F. & McFarlane, G.A. & Bargmann, G.G. (Eds). Biology and management of dogfish sharks. American Fisheries Society. Bethesda, Maryland: 19–38
Selachier (Pisces, Chondrichthyes) aus dem Cenomanium von Ascheloh am Teutoburger Wald (Nordrhein-Westfalen, NW-Deutschland). Geologie und Paläontologie in Westfalen, 20, 3–105
