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Extinct genus of toothed whale

Arimidelphis
Temporal range: 3.60–1.81 Ma[1]
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Order: Artiodactyla
Infraorder: Cetacea
Family: Delphinidae
Genus: Arimidelphis
Species:
A. sorbinii
Binomial name
Arimidelphis sorbinii
Bianucci, 2005

Arimidelphis is an extinct genus of toothed whale from the Piacenzian and Gelasian ages of the late Pliocene and early Pleistocene,[2] containing only the species A. sorbinii.[1] It was described by Giovanni Bianucci in 2005.[3]

Etymology

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This genus was named after Ariminus, the Latin name of the Marecchia river.[3]

Taxonomy

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When Arimidelphis was first described in 2005, it was placed in the subfamily Orcininae. Later, in 2014, it was moved to the family Delphinidae.[1][4]

Distribution

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Fossils of this species were found in northern Italy.[3]

References

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  1. 1 2 3 "Arimidelphis ". Mindat. Hudson Institute of Mineralogy. Retrieved 2 July 2025.
  2. "Arimidelphis". Paleobiology Database. Retrieved 2 July 2025.
  3. 1 2 3 Bianucci, Giovanni (31 July 2005). "Arimidelphis sorbinii: a new small killer whale-like dolphin from the Pliocene of Marecchia river (Central Eastern Italy) and a phylogenetic analysis of the Orcininae (Cetacea: Odontoceti)". Rivista italiana di Paleontologia e Stratigrafia. 111 (2): 329–344. doi:10.13130/2039-4942/6324. Retrieved 2 July 2025.