| Haimirichia Temporal range: | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Subdivision: | Selachimorpha |
| Order: | Lamniformes |
| Family: | †Haimirichiidae |
| Genus: | †Haimirichia Vullo, Guinot, & Barbe, 2016 |
Haimirichia is an extinct genus of mackerel shark from the late Cenomanian epoch of the Cretaceous period.[1] It currently contains a single species: H. amonensis. Teeth now assigned to this genus were originally attributed to the Odontaspis. Exquisitely preserved remains from the Akrabou Formation Lagerstätte in Agoult, Morocco allowed the species to be moved into a new genus and family.[2] Microscopic study revealed specialized dermal denticles likely used in electroreception.[3] It's tooth and head design suggest a lifestyle similar to the extant Triaenodon obesus, a novel one for Lamniformes. Roulletia has a similar tooth design and may be part of the same family.[2]
References
- ↑ "Haimirichia amonensis | Shark-References". shark-references.com. Retrieved 2020-11-26.
- 1 2 Vullo, R.; Guinot, G.; Barbe, G. (2016). "The first articulated specimen of the Cretaceous mackerel shark Haimirichia amonensis gen. nov.(Haimirichiidae fam. nov.) reveals a novel ecomorphological adaptation within the Lamniformes (Elasmobranchii)". Journal of Systematic Palaeontology. 14 (12): 1003–1024. Bibcode:2016JSPal..14.1003V. doi:10.1080/14772019.2015.1137983. S2CID 85788544. Retrieved 2020-11-26.
- ↑ Vullo, Romain; Guinot, Guillaume (2015-09-29). "Denticle-embedded ampullary organs in a Cretaceous shark provide unique insight into the evolution of elasmobranch electroreceptors". The Science of Nature. 102 (9): 65. Bibcode:2015SciNa.102...65V. doi:10.1007/s00114-015-1315-2. ISSN 1432-1904. PMID 26420508. S2CID 8912042.
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