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The non-indigenous ascidian Distaplia bermudensis in the Mediterranean: comparison with the native species Distaplia magnilarva and Distaplia lucillae sp. nov.

Published online by Cambridge University Press:  12 January 2006

F. Mastrototaro  and
R. Brunetti
F. Mastrototaro
Affiliation:
Department of Zoology, University of Bari, Via Orabona 4, I-70125 Bari, Italy
R. Brunetti
Affiliation:
c/o Municipal Museum of Natural History, S. Croce 1730, I-30135 Venezia, Italy
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Abstract

Three species of Distaplia from the Mediterranean are described: D. bermudensis is a species introduced from the western Atlantic Ocean, which principally differs from the native D. magnilarva in having hermaphroditic zooids. The new species D. lucillae differs from the preceding ones in the structure of its stomach wall which is regularly plicated both externally and internally. Distaplia lucillae has colonies with hermaphroditic, but only male ripe, zooids and exclusively female colonies; this is a condition closely related to D. magnilarva though different. A key to European Distaplia is provided.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 86 , Issue 1 , February 2006 , pp. 181 - 185
Copyright
2006 Marine Biological Association of the United Kingdom

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