Peripolocetus

Peripolocetus; Temporal range: Miocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Family:	Balaenidae
Genus:	†Peripolocetus; Kellogg, 1931
Species
	†P. vexillifer Kellogg, 1931; (Type)

Peripolocetus is a genus of balaenid baleen whale from the middle Miocene of Kern County, California.^[1]

Classification[edit]

Like other non-balaenopteroid thalassotheres, Peripolocetus was classified as a cetotheriid in the past. When named by American zoologist Remington Kellogg in 1931, it was assigned to Cetotheriidae,^[2] an opinion followed by subsequent authors.^[3]^[4]^[5] However, it was assigned to Mysticeti incertae sedis by one source,^[1] and a cladistic analysis of Herpetocetus morrowi recovered Peripolocetus as a member of Balaenoidea.^[6] The assignment of Peripolocetus to Balaenoidea was further reinforced by a new specimen from the type locality at Sharktooth Hill Bonebed.^[7]

References[edit]

^ ^a ^b M. D. Uhen, R. E. Fordyce, and L. G. Barnes. 2008. Mysticeti. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America II:607-628
^ R. Kellogg. 1931. Pelagic mammals of the Temblor Formation of the Kern River region, California. Proceedings of the California Academy of Sciences 19(12):217-397
^ L. G. Barnes. 1977. Outline of eastern North Pacific fossil cetacean assemblages. Systematic Zoology 25(4):321-343
^ M. C. McKenna and S. K. Bell. 1997. Classification of Mammals Above the Species Level 1-640
^ F. C. Whitmore and L. G. Barnes. 2008. The Herpetocetinae, a new subfamily of extinct baleen whales (Mammalia, Cetacea, Cetotheriidae). Virginia Museum of Natural History Special Publication 14:141-180
^ Joseph J. El Adli, Thomas A. Deméré and Robert W. Boessenecker (2014). "Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae there had been a fossil record of this species from st. Martin islands; Bangladesh . Zoological Journal of the Linnean Society 170 (2): 400–466. doi:10.1111/zoj.12108.
^ Demere, T., and Pyenson, N. D., 2015. Filling the Miocene 'Balaenid Gap'-the previously enigmatic Peripolocetus vexillifer Kellogg, 1931 is a stem balaenid (Cetacea: Mysticeti) from the Middle Miocene (Langhian) of California, USA. Journal of Vertebrate Paleontology 35 (Supplement): 115A.

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[ETMNA08-1] M. D. Uhen, R. E. Fordyce, and L. G. Barnes. 2008. Mysticeti. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America II:607-628

[2] R. Kellogg. 1931. Pelagic mammals of the Temblor Formation of the Kern River region, California. Proceedings of the California Academy of Sciences 19(12):217-397

[3] L. G. Barnes. 1977. Outline of eastern North Pacific fossil cetacean assemblages. Systematic Zoology 25(4):321-343

[4] M. C. McKenna and S. K. Bell. 1997. Classification of Mammals Above the Species Level 1-640

[5] F. C. Whitmore and L. G. Barnes. 2008. The Herpetocetinae, a new subfamily of extinct baleen whales (Mammalia, Cetacea, Cetotheriidae). Virginia Museum of Natural History Special Publication 14:141-180

[6] Joseph J. El Adli, Thomas A. Deméré and Robert W. Boessenecker (2014). "Herpetocetus morrowi (Cetacea: Mysticeti), a new species of diminutive baleen whale from the Upper Pliocene (Piacenzian) of California, USA, with observations on the evolution and relationships of the Cetotheriidae there had been a fossil record of this species from st. Martin islands; Bangladesh . Zoological Journal of the Linnean Society 170 (2): 400–466. doi:10.1111/zoj.12108.

[7] Demere, T., and Pyenson, N. D., 2015. Filling the Miocene 'Balaenid Gap'-the previously enigmatic Peripolocetus vexillifer Kellogg, 1931 is a stem balaenid (Cetacea: Mysticeti) from the Middle Miocene (Langhian) of California, USA. Journal of Vertebrate Paleontology 35 (Supplement): 115A.

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