Heterobranch sea slugs (Mollusca: Gastropoda) from Ascension Island, South Atlantic Ocean

被引:10
作者
Padula, Vinicius [1 ,2 ,3 ]
Wirtz, Peter [4 ]
Schrodl, Michael [1 ,2 ,3 ]
机构
[1] SNSB Zool Staatssammlung Munchen, Munchhausenstr 21, D-81247 Munich, Germany
[2] Ludwig Maximilians Univ Munchen, Dept Biol 2, Munich, Germany
[3] Ludwig Maximilians Univ Munchen, GeoBioctr, Munich, Germany
[4] Univ Algarve, Ctr Ciencias Mar, P-8000117 Faro, Portugal
关键词
Nudibranchia; opisthobranchs; Phidiana; Felimida; isolation; teratology; OPISTHOBRANCH MOLLUSKS; NUDIBRANCHIA; DIVERSITY; BRAZIL; COSTA;
D O I
10.1017/S0025315414000575
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
The small volcanic island of Ascension is situated in the middle of the South Atlantic Ocean, more than 1500 km from the coast of Africa, its nearest continental area. To date, eight 'opisthobranch' species were reported from the island. As a result of a recent survey, 10 species were found. Seven species are new records from Ascension: Platydoris angustipes (Morch, 1863), Diaulula sp., Dolabrifera dolabrifera (Rang, 1828), Aplysia parvula Guilding in Morch, 1863 and Caliphylla mediterranea A. Costa, 1867, and two new species: Phidiana mimica sp. nov.; and Felimida atlantica sp. nov. Half of the species found have a wide geographical distribution, being not restricted to the Atlantic Ocean. However, traditional taxonomy based on few characters is probably masking complexes of species.
引用
收藏
页码:743 / 752
页数:10
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