[MARMAM] New publication - Tsai et al 2017 northern Caperea

Tsai, CH craniata at gmail.com
Tue Oct 10 17:29:34 PDT 2017

Dear colleagues

We are very pleased to announce a new paper - reporting the first discovery
of *Caperea *in the northern hemisphere (from the Pleistocene of Okinawa,
Japan and Sicily, Italy).

Tsai C-H, Collareta A, Fitzgerald EMG, Marx FG, Kohno N, Bosselaers M,
Insacco G, Reitano A, Catanzariti R, Oishi M, Bianucci G. 2017. Northern
pygmy right whales highlight Quaternary marine mammal interchange. Current
Biology 27(19): 1058 - 1059. (doi: 10.1016/j.cub.2017.08.056)


The pygmy right whale, *Caperea marginata*, is the most enigmatic living
whale. Little is known about its ecology and behaviour, but unusual
specialisations of visual pigments [1], mitochondrial tRNAs [2], and
postcranial anatomy [3] suggest a lifestyle different from that of other
extant whales. Geographically, *Caperea* represents the only major baleen
whale lineage entirely restricted to the Southern Ocean. *Caperea*-like
fossils, the oldest of which date to the Late Miocene, are exceedingly rare
and likewise limited to the Southern Hemisphere [4], despite a more
substantial history of fossil sampling north of the equator. Two new
Pleistocene fossils now provide unexpected evidence of a brief and
relatively recent period in geological history when *Caperea* occurred in
the Northern Hemisphere (Figure 1A,B).

The paper could be downloaded from this link:


Alternatively, if the link does not work, please just email me (
craniata at gmail.com; cheng-hsiu.tsai at otago.ac.nz) or Felix (
felixgmarx at gmail.com) for a pdf copy.

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 Paleontology,
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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