(Sars, 1866)

Description
Shell elongate ovoid to almost circular; surface smooth. Higher and with better developed rostrum and incisure in males than in females. The frontal organ is long, slender and pointed. Furcal margin with long hairs between the claws. Seventh limb with 10-11 pegs, 2-3 times longer than broad. The lower posterior shell margin with a small, dorsally turned round process (Poulsen (1969).
Kornicker (1987) gives a thorough redescription of this species from the Skagerrak.

Size
Female 2.15-2.6 mm carapace length, the male is of similar size.

Depth range
P. lilljeborgi appears to be an epibenthic species inhabiting depths of 50-1000 m, but is most abundant at about 200 m.

Distribution in the North Sea
Northern North Sea, Skagerrak, Kattegat (Klie, 1944).

World distribution
It has been widely recorded in the NE Atlantic, from Mauretania in the south as far north as Bear Island and the Barents Sea.

[After Angel, 2000]

Kingdom Animalia
Phylum Arthropoda
Subphylum Crustacea
Class Maxillopoda
Subclass Ostracoda
Order Myodocopida
Suborder Myodocopina
Family Philomedidae
Subfamily Philomedinae
Genus Philomedes
Species Philomedes lilljeborgi

Status in World Register of Marine Species

Synonym of Philomedes (Philomedes) lilljeborgi (Sars, 1866)

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

Angel, M.V., 1993. Marine Planktonic Ostracods. Synopses of the British Fauna (New Series), No. 48.

Angel, M.V., 2000. Marine planktonic ostracods. World Biodiversity database, CD-ROM Series. Expert Centre for Taxonomic Identifications (ETI), University of Amsterdam, Amsterdam.

Klie, W., 1944a. Ostracoda - 1. Familie: Cypridinidae. Fiches d'Identification du Zooplancton, 5 (1944). Conseil International pour l'Exploration de la Mer, Kopenhagen.

Kornicker, 1987. Ostracoda from the Skagerrak, North Sea (Myodocopina). Proceedings of the Biological Society of Washington, 100: 876-891.

Kornicker, L.S., 1989. Bathyal and abyssal myodocopid Ostracods of the Bay of Biscay and vicinity. Smithsonian Contributions to Zoology, 467, 1-134.

Poulsen, E.M., 1969a. Ostracoda I — Myodocopa. Sub-order: Cypridiniformes. Families: Cypridinidae, Rutidermatidae, Sarsiellidae, Asteropidae. Fiches d'Identification du Zooplancton, 115 (1969). Conseil International pour l'Exploration de la Mer, Kopenhagen.

Sars, G.O., 1865. Oversigt of Norges marine Ostracoder. Forh. Vid. selsk. 1865. Christiania 1865. 1-130.

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