Pseudochirella mariana - Species Card - Marine Planktonic Copepods

Species Card of Copepod

Calanoida ( Order )	details
Clausocalanoidea ( Superfamily )	details
Aetideidae ( Family )	details
Pseudochirella ( Genus )	details	List species for this Genus

Pseudochirella mariana Markhaseva, 1989 (F)

Abbreviations or symbols

Ref.:

(

List of the studied authors )

Markhaseva, 1989 (p.34, Descr.F, figs.F); 1996 (p.271, figs.F)

Species Pseudochirella mariana - Plate 1 of morphological figures

issued from : E.L. Markhaseva in Proc. Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.273, Fig.218].
Female (11°13'N, 141°47'E). CP4: coxopod of fourth leg.

Nota: Cephalothorax 4.7 times longer than urosome.
Posterolateral corners of last thoracic segment prolonged into slightly asymmetrical, rounded lobes.
Genital segment abruptly asymmetrical with 2 projections on the right (dorsal view); genital field removed to the right side.
Exopodite of P1 3-segmented.
Endopodite of P2 2-segmented.
Coxopodite of P4 with about 23 spines.

Issued from : E.L. Markhaseva in USSR Acad. Sci., Zool. Inst., Explor. Fauna Seas. Marine Plankton, 1989, 41 (49).< [p.53, Fig.26].
Female: Thoracic segment 5 and genital segment.
Nota from the key:
1 - Genital segment strongly asymmetrical.
2 - Both left and right thoracic posterior corners without spines.
3 - Thoracic posterior corners with rounded lobes.
4 - Thoracic posterior corners slightly asymmetrical.
5 - Genital field removed to the right of genital segment (ventral view).
6 - Third internal lobe of Mx1 with 5 setae.
7 - Genital segment with 2 large protuberance only the right (dorsal view).
8 - Gnathobase of Mx1 posterior surface with 3 setae.

NZ:

Distribution map of Pseudochirella mariana by geographical zones

Species Pseudochirella mariana - Distribution map 2

Issued from : E.L. Markhaseva in Issled. Fauny Morei, 1989, 41 (49). [p.59, Fig.18].
Geographical distribution of P. mariana, present occurrence.

Loc:

(

Geographical glossary )

NW Pacif. (Mariana Trench).

Type locality: 11°13'N, 141°47'E.

Lg.:

(

References of the authors concerning dimensions )

(37) F: 3,6; {F: 3,60}

Rem.:

Abyssopelagic. In vertical haul from 7470 m.

Last update : 30/01/2015


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