Polyacrodus contrarius
Johns, 1997
Classification: Elasmobranchii Hybodontiformes Polyacrodontidae
Reference of the original description
Taxonomy and biostratigraphy of Middle and Late Triassic elasmobranch ichthyoliths from north Eastern British Columbia. Geological Survey of Canada, Bulletin, 502, 1–235
Taxonomy and biostratigraphy of Middle and Late Triassic elasmobranch ichthyoliths from north Eastern British Columbia. Geological Survey of Canada, Bulletin, 502, 1–235
Types
Polyacrodus contrarius
Polyacrodus contrarius
Description:
Citation: Polyacrodus contrarius Johns, 1997: In: Database of fossil elasmobranch teeth www.shark-references.com, World Wide Web electronic publication, Version 09/2026
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References
New microvertebrate assemblage from the continental upper triassic rocks of peninsular India [Abstract]. Journal of Vertebrate Paleontology, 29(Supplement to Number 3), 167A
Hybodont shark teeth from the continental Upper Triassic deposits of India. In G. Arratia, H.-P. Schultze & M.V.H. Wilson (Eds.), Mesozoic Fishes 4 – Homology and Phylogeny (pp. 413–432). Verlag Dr. Friedrich Pfeil
Triassic and Jurassic sharks from Guizhou and Hubei Provinces (Southwestern China) [Abstract]. Ichthyolith Issues, Special Publication, 10, 29–30
The chondrichthyan fauna from the Middle-Late Triassic of Guanling (Guizhou province, SW China). Historical Biology, 19(4), 291–300
DOI: 10.1080/08912960701248234
The shark fauna from the Middle-Late Triassic of Guanling (Guizhou province, SW China) [Abstract]. 4th Annual Meeting of the European Association of Vertebrate Palaeontologists. Hantkeniana, 5: 83
Taxonomy and biostratigraphy of Middle and Late Triassic elasmobranch ichthyoliths from north Eastern British Columbia. Geological Survey of Canada, Bulletin, 502, 1–235
New microvertebrate assemblage from the continental upper triassic rocks of peninsular India [Abstract]. Journal of Vertebrate Paleontology, 29(Supplement to Number 3), 167A

Hybodont shark teeth from the continental Upper Triassic deposits of India. In G. Arratia, H.-P. Schultze & M.V.H. Wilson (Eds.), Mesozoic Fishes 4 – Homology and Phylogeny (pp. 413–432). Verlag Dr. Friedrich Pfeil

Triassic and Jurassic sharks from Guizhou and Hubei Provinces (Southwestern China) [Abstract]. Ichthyolith Issues, Special Publication, 10, 29–30

The chondrichthyan fauna from the Middle-Late Triassic of Guanling (Guizhou province, SW China). Historical Biology, 19(4), 291–300
DOI: 10.1080/08912960701248234
The shark fauna from the Middle-Late Triassic of Guanling (Guizhou province, SW China) [Abstract]. 4th Annual Meeting of the European Association of Vertebrate Palaeontologists. Hantkeniana, 5: 83

Taxonomy and biostratigraphy of Middle and Late Triassic elasmobranch ichthyoliths from north Eastern British Columbia. Geological Survey of Canada, Bulletin, 502, 1–235








