The genus Navigiolum (Bacillariophyceae) in Mediterranean and North African rock pool habitats: description of four new species from Algeria

被引:5
作者
Lange-Bertalot, Horst [1 ]
Fumanti, Bruno [2 ]
Cavacini, Paolo
Tagliaventi, Nadia [2 ]
机构
[1] Goethe Univ Frankfurt, Inst Ecol Evolut & Divers, Frankfurt, Germany
[2] Univ Roma La Sapienza, Dept Plant Biol, Rome, Italy
关键词
Algeria; Bacillariophyceae; biogeography; diatoms; endemic; Navigiolum; new species; rock pools; Sardinia;
D O I
10.5507/fot.2009.018
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Four new species of the recently established genus Navigiolum (Naviculaceae, Bacillariophyceae) are described from samples collected in ephemeral rock pools of Algeria (North Africa). These species are compared with three similar taxa, recently described from comparable habitats In Sardinia (Italy). With a single exception, Navigiolum is Currently composed of species that can be considered endemic elements of the circum-mediterranean region and Of Unusual autecology. They are living in small freshwater pools that are Subject to extreme fluctuation. The seven Populations and several more from Sardinia and Algeria appear closely related under light microscopy but can be clearly distinguished in the scanning electron microscope. Four new species, Navigiolum marvanii, N. algeriense, N. simplex and N. densistriatum are proposed.
引用
收藏
页码:179 / 185
页数:7
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