Ikamauius fossil map
Where fossils of Ikamauius have been found, shown on the Earth as it looked about 15 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 15 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Ancient fish & sharks |
|---|---|
| Lived | 83.6–3 million years ago (Campanian to Piacenzian) |
| Periods | Cretaceous, Paleogene, Neogene |
| Family | Pristiophoridae |
| Named by | Keyes 1979 |
| Fossil records | 10 occurrences at 10 locations (PBDB) |
| Found in | New Zealand |
| Rock formations | txn:83112, Tangahoe, Milburn Limestone, Gee Greensand, Concord, Oamaru |
About Ikamauius
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.
Text in “About” is quoted from the Wikipedia article Ikamauius (revision 1356858498), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q21363137.
