Ikamauius

Ikamauius Temporal range: Eocene-Pleistocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Division:	Selachii
Order:	Pristiophoriformes
Family:	Pristiophoridae
Genus:	† Ikamauius Keyes, 1979 [1]
Species:	†I. ensifer
Binomial name
†Ikamauius ensifer (Davis, 1888) [2]
Synonyms
Trygon ensifer Davis, 1888 Pristiophorus ensifer (Davis, 1888) Pristiophorus napierensis Chapman, 1918 [3]

Ikamauius is an extinct genus of sawshark from the Cenozoic of New Zealand. It contains a single species, I. ensifer. It is most closely related to the extant Pliotrema , but is distinguished by the presence of barbs on both sides of its rostral denticles. ^[1]

References

1. Keyes, I.W. (1979). "Ikamauius, a new genus of fossil sawshark (Order Selachii: Family Pristiophoridae) from the Cenozoic of New Zealand". New Zealand Journal of Geology and Geophysics. 22 (1): 125–129. Bibcode:1979NZJGG..22..125K. doi: 10.1080/00288306.1979.10422558 .
2. Davis, J.W. (1888). "On fossil-fish remains from the Tertiary and Cretaceo-Tertiary formations of New Zealand". Scientific Transactions of the Royal Dublin Society. Series 2. 4 (1): 1–48.
3. Chapman, F. (1918). "Descriptions and revisions of the Cretaceous and Tertiary fish-remains of New Zealand". Palaeontological Bulletin, New Zealand Geological Survey. 7: 1–45.