Hahnodon ("Hahn's tooth") is an extinct genus of mammaliaforms from the Early Cretaceous Ksar Metlili Formation in Morocco. Although originally considered to be a relatively early member of the extinct clade Multituberculata, recent studies indicate that it instead is a haramiyid.[1]
| Hahnodon Temporal range:
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|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Clade: | Therapsida |
| Clade: | Cynodontia |
| Clade: | Mammaliaformes |
| Order: | †Haramiyida |
| Family: | †Hahnodontidae |
| Genus: | †Hahnodon Sigogneau-Russell, 1991 |
| Species: | †H. taqueti
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| Binomial name | |
| †Hahnodon taqueti Sigogneau-Russell, 1991
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Fossils and distribution
editHahnodon taqueti is based on a single lower molar found in Lower Cretaceous strata in Morocco.
Classification
editDenise Sigogneau-Russell (1991) classified Hahnodon as a member of Multituberculata, but others later considered it to be related to members of Haramiyida.[2][3] The description of Cifelliodon from North America confirmed that Hahnodon — and by extension, Hahnodontidae — belong to Haramiyida.[4]
References
edit- ^ "Fossils: Youngest known haramiyid fossil found in North America | Nature | Nature Portfolio". Archived from the original on 2022-05-17. Retrieved 2018-05-26.
- ^ Butler, P. M., & Hooker, J. J. (2005). New teeth of allotherian mammals from the English Bathonian, including the earliest multituberculates. Acta Palaeontologica Polonica, 50(2).
- ^ S. Anantharaman, G. P. Wilson, D. C. Das Sarma and W. A. Clemens. 2006. A possible Late Cretaceous "haramiyidan" from India. Journal of Vertebrate Paleontology 26(2):488-490
- ^ Adam K. Huttenlocker; David M. Grossnickle; James I. Kirkland; Julia A. Schultz; Zhe-Xi Luo (2018). "Late-surviving stem mammal links the lowermost Cretaceous of North America and Gondwana". Nature. in press. doi:10.1038/s41586-018-0126-y.
Bibliography
edit- Sigogneau-Russell (1991), "First evidence of Multituberculata (Mammalia) in the Mesozoic of Africa". Neues Jahrb Geol Paläontol, Monatshefte, p. 119-125.
- Kielan-Jaworowska Z & Hurum JH (2001), "Phylogeny and Systematics of multituberculate mammals". Paleontology 44, p. 389-429.
- Much of this information has been derived from [1] MESOZOIC MAMMALS: Basal Multituberculata, an Internet directory.
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