Idiorophus Temporal range: Early Miocene ~20.43–15.97 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
I. patagonicus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Family:	Physeteridae
Genus:	†Idiorophus Kellogg, 1925
Species
I. bolzanensis Dal Piaz, 1916 I. patagonicus Lydekker, 1894
Synonyms
Apenophyseter Cabrera, 1926

Idiorophus is a genus of toothed whales in the family Physeteridae. Fossils have been found in the Colhuehuapian Gaiman Formation of Argentina and the Libano Sandstone in Italy.^[1]

The teeth of Idiorophus were similar in size to those of the modern orca.^[2]

References

Further reading

• R. Kellogg. 1925. Two physeteroid whales from California. Contributions to Palaeontology from the Carnegie Institution of Washington 348(1):1–35
• R. Lydekker. 1894. Cetacean skulls from Patagonia. Anales del Museo de la Plata II:1–13