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Cyclopoida ( Order ) |
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Oithonidae ( Family ) |
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Oithona ( Genus ) |
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Oithona alvarezi Lindberg, 1955 (F,M) | |
| | | | | | | Ref.: | | | Lindberg, 1955 e (p.462, 467, figs.F); Shuvalov, 1980 (p.167, figs.F) |  issued from : K. Lindberg in Akiv Zool., 1955, 7 (23). [p.463, Fig.1]. Female (from Laguna Coyuca, W Mexico): a, P5 and genital segment (ventral), anal segment and caudal rami (dorsal); b, Md. Nota: Ratio cephalothorax and thoracic segment 5: abdomen + caudal rami 1.63:1. Rostrum absent. Caudal rami strongly diverging. A1 14-segmented (any segments more or less indisticct). Formula of the outer spines spines of exopod P1 to P4: 1-1-3; 1-1-3; 1-1-2; 1-1-2, respectively; setae of exopod of P1 to P4: 0-1-5; 0-1-5; 0,-1-5; 0-1-5, respectively; setae of endopod of P1 to P4: 1-1-6; 1-2-6; 1-2-6; 1-2-5, respectively. P5 with 2 setae of unequal length.P6 like a strong spine, curved on the ventral face. Male: Caudal rami 2 times length than wide. P6 as a short spine.
| | | | | Compl. Ref.: | | | Suarez-Morales & Gasca, 1998 a (p.111) | | | | NZ: | 1 | | |
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Distribution map of Oithona alvarezi by geographical zones
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| | | | Loc: | | | NE Pacif.: Mexico (laguna Coyuca, Guerrero State) | | | | N: | 1 | | | | Lg.: | | | (623) F: 0,551-0,579; M: 0,503; {F: 0,551-0,579; M: 0,503} | | | | Rem.: | For Lindberg (1955, o.464) the species resembles Oithona dissimilis, but differs by the armature of the swimming legs. | | | Last update : 24/01/2015 | |
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 Any use of this site for a publication will be mentioned with the following reference :
Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2024. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed April 26, 2024] © copyright 2005-2024 Sorbonne University, CNRS
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