Article · Wikipedia archive · Last revised Jul 7, 2026

Rhaphicetus

Rhaphicetus is an extinct genus of physeteroid whale that lived in Peru in the lower Miocene epoch around 19-18 million years ago. This genus contains one species, Raphicetus valenciae, representing one of the earliest branching stem physteroid.

Last revised
Jul 7, 2026
Read time
≈ 1 min
Length
160 w
Citations
2
Source
Rhaphicetus
Temporal range: Early Miocene
Reconstruction of the skull
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Placentalia
Order: Artiodactyla
Infraorder: Cetacea
Superfamily: Physeteroidea
Family: Incertae sedis
Genus: Rhaphicetus
Lambert et al., 2020
Species:
R. valenciae
Binomial name
Rhaphicetus valenciae
Lambert et al., 2020

Rhaphicetus is an extinct genus of physeteroid whale that lived in Peru in the lower Miocene epoch around 19-18 million years ago. This genus contains one species, Raphicetus valenciae, representing one of the earliest branching stem physteroid.1

Description

This genus is medium sized with an estimated length of 4.7–5.7 metres (15–19 ft). It has a narrow and cylindrical rostrum that comprises nearly 75% of the condylobasal length. The upper jaw has at least 36 teeth per quadrant.1

References

References

  1. Olivier Lambert; Christian de Muizon; Mario Urbina; Giovanni Bianucci (2020). "A new longirostrine sperm whale (Cetacea, Physeteroidea) from the lower Miocene of the Pisco Basin (southern coast of Peru)". Journal of Systematic Palaeontology. 18 (20): 1707–1742. Bibcode:2020JSPal..18.1707L. doi:10.1080/14772019.2020.1805520. S2CID 221838686.