Idothea

Idothea baltica, copyright Ecomare.

Belongs within: Valvifera.

Idothea is a genus of broad-bodied isopods that may be found living on floating vegetation (Hatch 1947).

Characters (from Hatch 1947): Eyes lateral, the sides of the head below the eyes inflexed; head margined behind eyes, without a transverse furrow defining a "neck" region; first antennae with unsegmented flagellum; fifth segment of maxillipedal palp fused with fourth; thoracic segments two to four with distinct epimera; epimera of fifth thoracic segment usually not attaining posterior margin of the segment; legs subsimilar, prehensile, the propodite not dilated; abdomen three-segmented with the lateral sutures of another partially coalesced segment.

<==Idothea Fab. 1799 [=Idotaea, Idotea Fab. 1796 (preoc.); Idoteinae] H47
    |--‘Idotea’ algirica Lucas 1846 E12
    |--‘Idotea’ angustata Lucas 1846 E12
    |--I. annulata N37
    |--I. baltica M02
    |    |--I. b. baltica PP64
    |    `--I. b. basteri PP64
    |--‘Idotea’ carinata Lucas 1846 E12
    |--I. emarginata B78
    |--‘Idotea’ entomon G20
    |--I. fewkesi H47
    |--‘Idotea’ granulosa CS77
    |--‘Idotea’ hectica PP64
    |--‘Idotea’ linearis PP64
    |--‘Idotea’ marina (Linnaeus 1758) L02, L58 [=Oniscus marinus L02]
    |--I. metallica Bosc 1802 BP03
    |--I. neglecta Sars 1897 BP03
    |--I. ochotensis [=Idotea ochotensis] H47
    |--I. pelagica BBB-S95
    |--‘Idotea’ peronii H15
    |--I. rufescens H47
    |--I. urotoma [=Idotea urotoma] H47
    `--‘Idotea’ viridis CS77

*Type species of generic name indicated

REFERENCES

[BBB-S95] Boubezari, K., G. Bitar & D. Bellan-Santini. 1995. Structure et organisation de trois moulières (Mytilus galloprovincialis et Perna perna) de la région d'Alger. Mésogée 54: 63–72.

[BP03] Brandt, A., & G. C. B. Poore. 2003. Higher classification of the flabelliferan and related Isopoda based on a reappraisal of relationships. Invertebrate Systematics 17: 893–923.

[B78] Brusca, R. C. 1978. Studies on the cymothoid fish symbionts of the eastern Pacific (Crustacea: Isopoda: Cymothoidae) II. Systematics and biology of Lironeca vulgaris Stimpson 1857. Occasional Papers of the Allan Hancock Foundation New Series 2: 1–19.

[CS77] Cramp, S., & K. E. L. Simmons (eds) 1977. Handbook of the Birds of Europe, the Middle East and North Africa: The Birds of the Western Palaearctic vol. 1. Ostrich to Ducks. Oxford University Press: Oxford.

[E12] Evenhuis, N. L. 2012. Publication and dating of the Exploration Scientifique de l'Algérie: Histoire Naturelle des Animaux Articulés (1846–1849) by Pierre Hippolyte Lucas. Zootaxa 3448: 1–61.

[G20] Goldfuss, G. A. 1820. Handbuch der Naturgeschichte vol. 3. Handbuch der Zoologie pt 1. Johann Leonhard Schrag: Nürnberg.

[H47] Hatch, M. H. 1947. The Chelifera and Isopoda of Washington and adjacent regions. University of Washington Publications in Biology 10 (5): 155–274.

[H15] Hedley, C. 1915. Presidential address. Journal and Proceedings of the Royal Society of New South Wales 49 (1): 1–77, pls 1–7.

[L02] Latreille, P. A. 1802. Histoire Naturelle, générale et particulière des crustacés et des insectes vol. 3. Familles naturelles des genres. F. Dufart: Paris.

[L58] Linnaeus, C. 1758. Systema Naturae per Regna Tria Naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata. Laurentii Salvii: Holmiae.

[M02] Munroe, T. A. 2002. Wrasses. Family Labridae. In: Collette, B. B., & G. Klein-MacPhee (eds) Bigelow and Schroeder’s Fishes of the Gulf of Maine 3^rd ed. pp. 448–466. Smithsonian Institute Press: Washington.

[N37] Nicholls, G. E. 1937. On the freshwater Idoteidae of New Zealand (Crustacea, Isopoda). Annals and Magazine of Natural History, series 10, 19: 113–136.

[PP64] Peres, J. M., & J. Picard. 1964. Nouveau manuel de bionomie benthique de la mer Mediterranee. Recueil des Travaux de la Station Marine d'Endoume, Bulletin 31 (27): 5–137.