A new tapeworm, Postgangesia inarmata n. sp (Eucestoda : Proteocephalidea : Gangesiinae), parasitic in Silurus glanis (Siluriformes) from Iraq and some comments on the Gangesiinae Mola, 1929

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作   者：

de Chambrier A;  Al-Kallak SNH;  Mariaux J; 

作者机构：

Switzerland;  Museum Hist Nat;  CH-1211 Geneva 6;  Dept Invertebres;  POB 6434;  de Chambrier A; 

关键词：

Pimelodidae;  Gen.; 

期刊名称：

Systematic Parasitology

i s s n：

0165-5752

年卷期：

2003 年 55 卷 3 期

页   码：

199-209

页   码：

摘   要：

We describe a new species of cestode belonging to Postgangesia Akhmerov, 1969 ( Proteocephalidea: Gangesiinae) from the catfish Silurus glanis Linnaeus in Iraq. This is the second species known from this genus, and a redescription of the type-species, P. orientalis Akhmerov, 1969 ( emend.), as well as a differential diagnosis are provided. The new species is characterised by the arrangement of its vitelline follicles, and various meristic and metrical characters. The systematic position of Postgangesia is discussed on the basis of both scolex and strobilar characters and arguments are presented for its placement within the Gangesiinae together with Electrotaenia Nybelin, 1942, Gangesia Woodland, 1924, Silurotaenia Nybelin, 1942 and Vermaia Nybelin, 1942. Finally, we illustrate and discuss some particular structures found in these taxa, especially in relation to the apical organs of the scolex.