[MARMAM] New publication - Tsai and Fordyce 2015 ADR in Mysticeti Caperea and Miocaperea

Cheng-Hsiu Tsai cheng-hsiu.tsai at otago.ac.nz
Wed Jan 21 07:12:02 PST 2015


Dear colleagues

We are pleased to announce a new article:

Cheng-Hsiu Tsai and R. Ewan Fordyce 2015 Ancestor-descendant relationships
in evolution: origin of the extant pygmy right whale, Caperea marginata.
Biology Letters doi: 10.1098/rsbl.2014.0875
http://rsbl.royalsocietypublishing.org/content/11/1/20140875

Abstract
Ancestor–descendant relationships (ADRs), involving descent with modification,
are the fundamental concept in evolution, but are usually difficult to
recognize. We examined the cladistic relationship between the only reported
fossil pygmy right whale, †Miocaperea pulchra, and its sole living relative, the
enigmatic pygmy right whale Caperea marginata, the latter represented by
both adult and juvenile specimens. †Miocaperea is phylogenetically bracketed
between juvenile and adult Caperea marginata in morphologically based analyses,
thus suggesting a possible ADR—the first so far identified within
baleen whales (Cetacea: Mysticeti). The †Miocaperea–Caperea lineage may
show long-term morphological stasis and, in turn, punctuated equilibrium.

Available at http://rsbl.royalsocietypublishing.org/content/11/1/20140875
or email Tsai: cheng-hsiu.tsai at otago.ac.nz<mailto:cheng-hsiu.tsai at otago.ac.nz>; craniata at gmail.com<mailto:craniata at gmail.com>

Regards and all the best,
Tsai

Cheng-Hsiu Tsai (蔡政修)
PhD student, Department of Geology, University of Otago
360 Leith Walk (Courier) or PO Box 56 (Postal)
Dunedin 9054, New Zealand
Email: cheng-hsiu.tsai at otago.ac.nz<mailto:cheng-hsiu.tsai at otago.ac.nz>; craniata at gmail.com<mailto:craniata at gmail.com>

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