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Cirolana mercuryi sp. nov, a Distinctive Cirolanid Isopod (Flabellifera) from the Corals Reefs of Zanzibar, East Africa

Niel L. Bruce
Crustaceana
Vol. 76, No. 9 (Oct., 2003), pp. 1071-1081
Published by: Brill
Stable URL: http://www.jstor.org/stable/20105649
Page Count: 11
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Cirolana mercuryi sp. nov, a Distinctive Cirolanid Isopod (Flabellifera) from the Corals Reefs of Zanzibar, East Africa
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Abstract

Cirolana mercuryi sp. nov. is described from the coral reef of Bawe Island, Zanzibar, East Africa. It is unusual in having the anterior margin of the head strongly produced and overriding the laterally inserted antennules and antennae. This character alone distinguishes the species from all others of the genus, but it is further characterized by large epimera on pleonites 3 and 4 and robust pereopods 1-3, the inferior margins of which are provided with cuticular spines. Brief discussion is given on the cirolanid diversity of East Africa in comparison to that of three other tropical locations. /// Der Isopode Cirolana mercuryi sp. nov. von dem Korallenriff Bawe, Zansibar, Ostafrika ist hier im Detail beschrieben. Die aussergewöhnlich stark ausgeprägte anteriore Kopfpartie überragt die lateral inserierten Antennen. Dieses Merkmal allein grenzt diese Art von anderen ihrer Gattung ab, allerdings ist sie zusätzlich durch grosse Epimeralplatten der 3. und 4. Pleonite, sowie robuste 1.-3. Pereopoden mit inferior inserierenden Borsten gekennzeichnet. Die Diversität der Cirolaniden Ostafrikas wird diskutiert und mit drei weiteren tropischen Gebieten verglichen.

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