Patagorhynchus
| Patagorhynchus Temporal range: Late Cretaceous, early
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| Holotype specimen | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Monotremata |
| Genus: | †Patagorhynchus Chimento et al., 2023 |
| Species: | †P. pascuali
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| Binomial name | |
| †Patagorhynchus pascuali Chimento et al., 2023
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Patagorhynchus is a genus of prehistoric
dentary. It was collected near Rio Gallegos, Santa Cruz, Argentina in 2022 and is housed in the Museo Padre Molina.[1]
Etymology
The genus name comes from Patago, referring to Patagonia and Greek rhynchus, meaning nose. The species name pascuali honors Argentine paleomammalogist Rosendo Pascual.[1]
Evolution
Patagorynchus represents the oldest known monotreme species from South America, indicating that they had already arrived in the region by the end of the Cretaceous, and were present in Antarctica during the Late Cretaceous.[2][1]
Classification
Chimento et al. (2023) recovered Patagorhynchus as a monotreme mammal. The simplified results of their
| Monotremaformes |
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References
- ^ PMID 36797304.
- ^ Thompson, Joanna (2023-03-10). "Ancient platypus-like fossil could rewrite the history of egg-laying mammals". Live Science. Retrieved 2023-03-13.