[MARMAM] New publication - Tsai 2017 Miocene breeding site

Tsai, CH craniata at gmail.com
Tue Aug 22 18:54:11 PDT 2017


Dear colleagues

I am very pleased to announce a new paper - reporting a Miocene breeding
site of an extinct baleen whale *Parietobalaena yamaokai*.

Tsai, C.-H. 2017. A Miocene breeding ground of an extinct baleen whale
(Cetacea: Mysticeti). *PeerJ *5:e3711 doi:10.7717/peerj.3711

Abstract

Locating breeding sites is definitely a key to understanding the ecological
requirements and maintaining the sustainability of populations/species.
Here I re-examined published specimens of an extinct baleen whale,
*Parietobalaena
yamaokai*, from the lower part of Itahashi Formation (16.1–15.6 Ma, Middle
Miocene) in Shobara, Hiroshima, Japan. A critical and previously unnoticed
feature, the open suture between the supraoccipital and exoccipital, in one
specimen indicates the preservation of a very young individual–under six
months old and even close to a new-born calf. Given the occurrence of a
new-born whale and relatively abundant assemblage of *Parietobalaena
yamaokai*, I propose a previously hidden and unknown breeding ground for
the extinct baleen whale, *P. yamaokai*, in the Middle Miocene of Shobara
(16.1–15.6 Ma), Hiroshima. Discovery of paleo-breeding sites of extinct
populations/species should further help us to understand biological
extinctions from a long-term perspective as conservation paleobiology aims
to offer new insights into policy making for conserving endangered
populations/species.

The paper could be freely downloaded here:

https://peerj.com/articles/3711/

or, email me at:
craniata at gmail.com; cheng-hsiu.tsai at otago.ac.nz

Regards
Tsai


-- 
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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