Amphidelphis
| Amphidelphis Temporal range: [1]
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Suborder: | Whippomorpha |
| Infraorder: | Cetacea |
| Parvorder: | Odontoceti |
| Genus: | †Amphidelphis Lambert et al., 2025 |
| Type species | |
| †Acrodelphis bakersfieldensis Wilson, 1935
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Amphidelphis is a genus of extinct toothed whale from the Early Miocene (Aquitanian-Burdigalian) of the United States and Peru. The type and only species is A. bakersfieldensis. Its holotype specimen (YPM 13406) was found in California and was described and named Acrodelphis bakersfieldensis by Wilson in 1935. The specimen was later referred to Argyrocetus by Barnes in 1976 before being recombined by Olivier Lambert, Christian Muizon and colleagues in a 2025 study. This study also referred an additional specimen: a cranium from the Chilcatay Formation of Peru's Eastern Pisco Basin. The name Amphidelphis comes from the Ancient Greek amphi, meaning 'from both sides' and the Latin delphis, which means 'dolphin'. The name references the fact that remains of the genus have been found on both sides of the Americas.[1]
References
[edit]- ^ a b Lambert, O.; de Muizon, C.; Bennion, R. F.; Urbina, M.; Bianucci, G. (2025). "New data on archaic homodont odontocetes from the Early Miocene of Peru reveal a second species of Chilcacetus Lambert, Muizon & Bianucci, 2015 and a Southern Hemisphere record for a northeastern Pacific species". Geodiversitas. 47 (9): 369–408. doi:10.5252/geodiversitas2025v47a9 (inactive 10 June 2025).
{{cite journal}}: CS1 maint: DOI inactive as of June 2025 (link)
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