A large Late Miocene cetotheriid (Cetacea, Mysticeti) from the Netherlands clarifies the status of Tranatocetidae

Felix G. Marx, Klaas Post, Mark Bosselaers, Dirk K. Munsterman

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Cetotheriidae are a group of small baleen whales (Mysticeti) that evolved alongside modern rorquals. They once enjoyed a nearly global distribution, but then largely went extinct during the Plio-Pleistocene. After languishing as a wastebasket taxon for more than a century, the concept of Cetotheriidae is now well established. Nevertheless, the clade remains notable for its variability, and its scope remains in flux. In particular, the recent referral of several traditional cetotheriids to a new and seemingly unrelated family, Tranatocetidae, has created major phylogenetic uncertainty. Here, we describe a new species of Tranatocetus, the type of Tranatocetidae, from the Late Miocene of the Netherlands. Tranatocetus maregermanicum sp. nov. clarifies several of the traits previously ascribed to this genus, and reveals distinctive auditory and mandibular morphologies suggesting cetotheriid affinities. This interpretation is supported by a large phylogenetic analysis, which mingles cetotheriids and tranatocetids within a unified clade. As a result, we suggest that both groups should be reintegrated into the single family Cetotheriidae.

Original languageEnglish
Article number6426
Number of pages30
JournalPeerJ
Volume2019
Issue number2
DOIs
Publication statusPublished - 1 Jan 2019

Keywords

  • Baleen whale
  • Body size
  • Evolution
  • Phylogeny
  • Systematics

Cite this

Marx, Felix G. ; Post, Klaas ; Bosselaers, Mark ; Munsterman, Dirk K. / A large Late Miocene cetotheriid (Cetacea, Mysticeti) from the Netherlands clarifies the status of Tranatocetidae. In: PeerJ. 2019 ; Vol. 2019, No. 2.
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A large Late Miocene cetotheriid (Cetacea, Mysticeti) from the Netherlands clarifies the status of Tranatocetidae. / Marx, Felix G.; Post, Klaas; Bosselaers, Mark; Munsterman, Dirk K.

In: PeerJ, Vol. 2019, No. 2, 6426, 01.01.2019.

Research output: Contribution to journalArticleResearchpeer-review

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