[MARMAM] New publication - Tsai and Fordyce 2016 a new Oligocene baleen whale - Whakakai

Cheng-Hsiu Tsai cheng-hsiu.tsai at otago.ac.nz
Wed Jun 1 05:25:14 PDT 2016

Dear colleagues

Ewan and I are pleased to announce a new article, describing a
new fossil baleen whale, *Whakakai waipata*, from the Oligocene
of New Zealand.

Tsai, CH and Fordyce, RE. 2016. Archaic baleen whale from the
Kokoamu Greensand: earbones distinguish a new late Oligocene
mysticete (Cetacea: Mysticeti) from New Zealand. Journal of the
Royal Society of New Zealand, doi: 10.1080/03036758.2016.1156552

Available at:
or email Tsai: cheng-hsiu.tsai at otago.ac.nz or craniata at gmail.com


*†Whakakai waipata* is a new genus and species of Mysticeti from
the Kokoamu Greensand (Chattian, Late Oligocene, 25–27 Ma) of
‘The Earthquakes’, North Otago. The holotype of *†Whakakai waipata*
is a partial skull, periotics, tympanic bulla, vertebrae and scapula. The
earbone morphology of *†Whakakai waipata *shows a unique combination
of diagnostic features including: massive periotic; flange of posterior
process and caudal tympanic process flooring stapedial muscle fossa;
and an elongated stylomastoid fossa that invades the robust posterior
process of the periotic. The tympanoperiotic features in *†Whakakai waipata*
suggest a different acoustic niche from other Oligocene mysticetes, and
by inference different feeding habits and habitat.

Regards and all the best,

蔡政修(Cheng-Hsiu Tsai  さい まさのぶ)
JSPS Postdoctoral Research Fellow  (JSPS: Japan Society for the Promotion
of Science 日本學術振興會)
Department of Geology and Palaeontology,
National Museum of Nature and Science (Tsukuba Research Center)
4-1-1 Amakubo, Tsukuba-shi, Ibaraki 305-0005, Japan
Email: cheng-hsiu.tsai at otago.ac.nz; craniata at gmail.com
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