Rank Genus | Phylum Chordata Order Artiodactyla Family Physeteridae | |
Similar Ferecetotherium, Aulophyseter, Scaldicetus, Kogiopsis, Zygophyseter |
Physeterula was a prehistoric close relative of the sperm whale from the Miocene. Its fossils have been found in Europe and the United States.
This large species is the most stemward physeterid, retaining functional upper teeth lacking enamel.
References
Physeterula Wikipedia(Text) CC BY-SA