Abstract：
:Only 17% of 111 reef-building coral genera and none of the 18 coral families with reef-builders are considered endemic to the Atlantic, whereas the corresponding percentages for the Indo-west Pacific are 76% and 39%. These figures depend on the assumption that genera and families spanning the two provinces belong to the same lineages (that is, they are monophyletic). Here we show that this assumption is incorrect on the basis of analyses of mitochondrial and nuclear genes. Pervasive morphological convergence at the family level has obscured the evolutionary distinctiveness of Atlantic corals. Some Atlantic genera conventionally assigned to different families are more closely related to each other than they are to their respective Pacific 'congeners'. Nine of the 27 genera of reef-building Atlantic corals belong to this previously unrecognized lineage, which probably diverged over 34 million years ago. Although Pacific reefs have larger numbers of more narrowly distributed species, and therefore rank higher in biodiversity hotspot analyses, the deep evolutionary distinctiveness of many Atlantic corals should also be considered when setting conservation priorities.
journal_name
Naturejournal_title
Natureauthors
Fukami H,Budd AF,Paulay G,Solé-Cava A,Allen Chen C,Iwao K,Knowlton Ndoi
10.1038/nature02339keywords:
subject
Has Abstractpub_date
2004-02-26 00:00:00pages
832-5issue
6977eissn
0028-0836issn
1476-4687pii
nature02339journal_volume
427pub_type
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