Idunella chilkensis   Chilton,  1921 (Amphipod)
Organism information awaits expert curation
Class: Malacostraca

Color: Dull black

Eyes broadly oval, medium, black; 1st peduncular article of male 1st antenna almost subequal in width to 2nd, primary flagellum of male 1st antenna with 15-16 articles; palmar margin of male 1st gnathopod with two processes and complex setae; 1st antenna of female with longer 4th peduncular article (longer than 3rd); gnathopod 1 larger than gnathopod 2 and powerfully subchelate; coxa of peraeopod 1 subsimilar to that of gnathopod 2, but slightly broader, basis elongate, linear with 4 inner marginal and 3 outer marginal setae, coxa of peraeopod 3 bilobed, basis of peraeopod 3, expanded with 6 outer marginals spines.

Synonym (s)
Idunella chilkensis Chilton, 1921a

Common Name (s)
Economic Importance and Threats

Habitat:  Estuarine, Muddy, Coastal


• Tamil Nadu, Vellar Estuary INDIA
• Tamil Nadu, Uppanar Estuary INDIA
• Bay of Bengal INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Lyla, PS; Velvizhi, S and Ajmal Khan, S (1998) Brackishwater amphipods of Parangipettai coast Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai 79 pp Available at - NIO, Goa
  • Sealifebase Available at -
  • Mondal, N; Rajkumar, M; Sun, J; Kundu, S; Lyla, PS; Khan, SA and Trilles, JP (2010) Biodiversity of brackish water amphipods (crustacean) in two estuaries, southeast coast of India Environmental Monitoring and Assessment Springer 171(1-4) 471–486 Available at -
  • Rao, KVS (1972) intertidal amphipods from the indian coasts Proceedings of the Indian National Science Academy 38 190-205 Available at - NIO, Goa

Page last updated on:2010-12-29

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