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Description de deux nouvelles espèces d'Ampelisca des côtes françaises atlantiques (Crustacea-Amphipoda): Ampelisca toulemonti n.sp. et Ampelisca spooneri n.sp. = Description of two new species of Ampelisca from the French Atlantic coast (Crustacea, Amphipoda): Ampelisca toulemonti n.sp. and A. spooneri n.sp.
Dauvin, J.-C.; Bellan-Santini, D. (1982). Description de deux nouvelles espèces d'Ampelisca des côtes françaises atlantiques (Crustacea-Amphipoda): Ampelisca toulemonti n.sp. et Ampelisca spooneri n.sp. = Description of two new species of Ampelisca from the French Atlantic coast (Crustacea, Amphipoda): Ampelisca toulemonti n.sp. and A. spooneri n.sp. Cah. Biol. Mar. 23(3): 253-268
In: Cahiers de Biologie Marine. Station Biologique de Roscoff: Paris. ISSN 0007-9723, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Dauvin, J.-C., more
  • Bellan-Santini, D., more

Abstract
    Ampelisca toulemonti and A. spooneri are described from Sea Iroise and Bay of Douarnenez (Northeastern Atlantic Ocean). Ampelisca toulemonti, like A. typica, is characterized by a first antenna reaching up to the pedoncule of the second antenna; second antenna about 3/4 of the body; urosome segment 1 with a rather high dorsal keel, posterior oblique board overflowing on the urosome segment 2; postero-inferior corner of epimeral plate 2 with a little tooth and last pair of uropoda with a row of bristles on the outer board of the inner rami and a row of spines on each board of the outer rami; telson with a row of dorsal denticles on each lobe. Ampelisca spooneri, like A. brevicornis, is characterized by a first antenna reaching up to the fourth joint of peduncle of antenna 2; urosome segment 1 with a cockscomb dorsal keel, posterior board overflowing on the urosome segment 2; postero-inferior corner of epimeral plate 3 sinuous with a little tooth. Descriptions of these two new species are given with a comparison to their nearest relative species.

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