Squalicorax bazzii

SIVERSSON, COOK, RYAN, WATKINS, TATARNIC, DOWNES & NEWBREY, 2019


Classification: Elasmobranchii Lamniformes Anacoracidae

Reference of the original description
SIVERSSON, M. & COOK, T.D. & RYAN, H.E. & WATKINS, D.K. & TATARNIC, N.J. & DOWNES, P.J. & NEWBREY, M.G. (2019)
Anacoracid sharks and calcareous nannofossil stratigraphy of the mid-Cretaceous "upper' Gearle Siltstone and Haycock Marl in the lower Murchison River area, Western Australia. Alcheringa, 43 (1): 85-113

Types
Squalicorax bazzii
Holotype: WAM: 18.2.3;

Images of types

Description:


Citation: Squalicorax bazzii SIVERSSON, COOK, RYAN, WATKINS, TATARNIC, DOWNES & NEWBREY, 2019: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 03/2021

Please send your images of "Squalicorax bazzii" to info@shark-references.com

Squalicorax bazzii sp. nov., lower? anterior tooth, holotype, labial view, Bed 4, middle/upper Cenomanian, Thirindine Point east, Murchison House Station, Kalbarri, Western Australia. Scale bar = 3 mm.

Description
Original diagnose after Siverson et al. (2019) p. 97 [27309]: Cusp relatively upright and moderately broad in anterior teeth. Cutting edges equipped with continuous, well developed serrations of large relative size. Labial face of crown barely overhangs labial side of root. Basal edge of labial face of crown weakly scalloped. Root highly porous and strongly compressed in labiolingual direction. In labial view, median height of root approximately 1/5th of width of root. Labial foramina large. Lobes of root lingually curved in basal view.

Remarks
valid after Siversson et al. (2019) p. 97 [27309];


References
BERRELL, R.W. & BOISVERT, C. & TRINAJSTIC, K. & SIVERSSON, M. & ALVARADO-ORTEGA, J. & CAVIN, L. & SALISBURY, S.W. & KEMP, A. (2020)
A review of Australia’s Mesozoic fishes. Alcheringa, in press
DOI: 10.1080/03115518.2019.1701078
SIVERSSON, M. & COOK, T.D. & RYAN, H.E. & WATKINS, D.K. & TATARNIC, N.J. & DOWNES, P.J. & NEWBREY, M.G. (2019)
Anacoracid sharks and calcareous nannofossil stratigraphy of the mid-Cretaceous "upper' Gearle Siltstone and Haycock Marl in the lower Murchison River area, Western Australia. Alcheringa, 43 (1): 85-113
DOI: 10.1080/03115518.2018.1462401