Template:Mitchell, 1989

• Mitchell, E.D. 1989. A new cetacean from the Late Eocene La Meseta Formation, Seymour Island, Antarctic Peninsula. Journal of the Fisheries Research Board of Canada 46(12): 2219–2235. DOI: 10.1139/f89-273  
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Nomenclatural acts

• Date of publication: December 1989

New names

(List may be incomplete)

• Basilosauroidea (clad. nov.)
• Chaeomysticeti (infraord. nov.)
• Crenaticeti (infraord. nov.)
• Eschrichtioidea (clad. nov.)
• Kekenodontinae (subfam. nov.)
• Llanocetidae (fam. nov.)
• Llanocetus (gen. nov.)
• Llanocetus denticrenatus (sp. nov.)
• Mammalodontidae (fam. nov.)
• Protocetoidea (clad. nov.)
• Remingtonocetoidea (clad. nov.)