Hansen, 1905

Description
Antennula (a1) with the first article extending forwards, the second article in a right angle to the first. Antennules scarcely reaching anterior angle of the pereion; third peduncular article scarcely longer than the second; antennular flagellum thick in male, slender in female. Antennal peduncle (a2) with four distinct articles.
Maxillipede without coupling hooks on the inner border.
Coxal plates of pereion somites 6-7 with sharp posterior angles but not produced into a process. Pleon somite 5 not markedly reduced, with the lateral borders contributing to the body outline.
Pleopod 1 with both rami thinly chitinised and fringed with setae. The peduncle of the uropod is not markedly reduced backwards alongside the inner border of the endopod; the articulation between the peduncle and the endopod is short. Pleotelson similar to Eurydice pulchra: the posterior border is fairly broadly rounded, with two small spines at each corner along the fairly long plumose setae.

Size
Males recognisable at just over 2 mm body length, ranging to about 5 mm; females 2-6 mm.

Colour
Pale, with black chromatophores restricted to the dorsal body surface; abdomen yellowish.

Depth range

Distribution in the North Sea
Reported from the Dutch coast (Wolff, 1966).

World distribution
E Atlantic; Channel; French Atlantic coast Mediterranean Sea

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Malacostraca
Subclass Eumalacostraca
Superorder Peracarida
Order Isopoda
Suborder Flabellifera
Family Cirolanidae
Genus Eurydice
Species Eurydice affinis

Status in World Register of Marine Species

Accepted name: Eurydice affinis Hansen, 1905

Sorry, there are no scientific synonyms and common names available for this species

Huwae, P.H.M., 1977. De Isopoden van de Nederlandse kust. Wetenschappelijke Mededelingen van de Koninkllijke Natuurhistorische Vereniging, nr. 118.

Naylor, E., 1957b. Isopoda. Sub-order Flabellifera, Family Gnathidae, Genera Paragnathia, Gnathia; Family Cirolanidae, Genus Eurydice. Fiches d'Identification du Zooplancton, 78 (1957). Conseil International pour l'Exploration de la Mer, Kopenhagen.

Naylor, E., 1972. British Marine Isopods. Synopses of the British Fauna (New Series), 3. The Linnean Society, Academic Press, London.

Wolff, W.J., 1966. Notes on Eurydice (Isopoda, Flabellifera) from the Netherlands. Zoöl. Meded., Leiden, 41(14): 221-227.

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