Gammarus baysali sp nov., a new freshwater amphipod species from Turkey (Amphipoda: Gammaridae)

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Ozbek M. , Yurga L. , Kulkoyluoglu O.

TURKISH JOURNAL OF ZOOLOGY, cilt.37, ss.163-171, 2013 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 37
  • Basım Tarihi: 2013
  • Doi Numarası: 10.3906/zoo-1209-14
  • Sayfa Sayıları: ss.163-171


A new species of freshwater amphipod, Gammarus baysali sp. nov., collected from Cumayani Cave (Zonguldak Province, Turkey) is described and illustrated. The new species belongs to the Gammarus pulex-group. The most discriminant characters of this species are the minute eyes, densely setose fifth peduncle and flagellar segments of antenna 2, elongated pereopods, and setose anterior margins of pereopod 5 to 7. Additionally, the palp of right maxilla 1 has 4 setae along its outer margin. A detailed morphological description and illustrations of the new species are provided, and differences from related species are discussed.