ammonites
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†family Mammalodontidae Mitchell 1989 (whale)

Mammalia - Artiodactyla

Synonym: Janjucetidae Fitzgerald 2006

Full reference: E. D. Mitchell. 1989. A new cetacean from the late Eocene La Meseta Formation, Seymour Island, Antarctic Peninsula. Canadian Journal of Fisheries and Aquatic Sciences 46(12):2219-2235

Parent taxon: Mysticeti according to E. M. G. Fitzgerald 2010

Sister taxa: Aetiocetidae, Aetiocetoidea, Balaenoptera cortesii portisii, Cetotherioidea, Chaeomysticeti, Eomysticetidae, Llanocetidae, Mauicetus, Physalidae, Pterobalaenidae

Subtaxa: Janjucetus, Mammalodon

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Ecology: aquatic carnivore-suspension feeder