Casatia

Short description: Extinct genus of cetaceans

Casatia

Temporal range: Early Pliocene

PreЄ

Scientific classification
Kingdom:  | Animalia
Phylum:  | Chordata
Class:  | Mammalia
Order:  | Artiodactyla
Infraorder:  | Cetacea
Family:  | Monodontidae
Genus:  | †Casatia
Bianucci, Pesci, Collareta & Tinelli, 2019
Species:  |

†C. thermophila

Binomial name
†Casatia thermophila

Bianucci, Pesci, Collareta & Tinelli, 2019

Casatia is a genus of extinct cetacean from the Early Pliocene, approximately between 5.1 and 4.5 million years ago. The genus contains a single species, C. thermophila. It was described from a partial skull. Its closest relatives are the narwhal and beluga (white whale), yet the remains were found farther south than its relatives, supporting the theory that monodontids evolved from warm water genera before becoming adapted to cold water.[citation needed]

Fossils were discovered in Italy and are the first and only fossils of a monodontid from the Mediterranean Basin known. Fossils of the genus were also found near fossils of the modern bull and tiger sharks as well as many extinct marine mammals, such as the sirenian Metaxytherium subapenninum.[1]

## References

1. ↑ Bianucci, Giovanni; Pesci, Fabio; Collareta, Alberto; Tinelli, Chiara (22 August 2019). "A new Monodontidae (Cetacea, Delphinoidea) from the lower Pliocene of Italy supports a warm-water origin for narwhals and white whales". Journal of Vertebrate Paleontology: e1645148. doi:10.1080/02724634.2019.1645148. https://figshare.com/articles/A_new_Monodontidae_Cetacea_Delphinoidea_from_the_lower_Pliocene_of_Italy_supports_a_warm-water_origin_for_narwhals_and_white_whales/9722102.

Wikidata ☰ Q66826886 entry

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