Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Batheuchaeta ( Genus )
Batheuchaeta lamellata  Brodsky, 1950   (F,M)
Ref.:
Brodsky, 1950 (1967) (p.191, figs.F,M); Markhaseva, 1981 (p.1157, figs.F); Vaupel Klein, 1984 a (p.50, figs.F, Table II: characters); Markhaseva, 1986 a (p.839, 843); 1996 (p.57, figs.F,M)
Species Batheuchaeta lamellata - Plate 1 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.59, Fig.39].
Female (from Markhaseva, 1981). P.md: mandibular palp; Gn: genital segment; P1: first leg.


Species Batheuchaeta lamellata - Plate 2 of morphological figuresissued from : E.L. Markhaseva in Trudy Zool. Inst. RAN, St. Petersburg, 1996, 268. [p.60, Fig.40].
Male (from Brodsky, 1950). P1: first leg; P5: fifth leg; Ri: endopod.


Species Batheuchaeta lamellata - Plate 3 of morphological figuresIssued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.190, Fig.106].
Female (from NW Pacif.): habitus (dorsal and lateral right side); forehead (ventral); Mp1, Mx2; S1, P1; S2, P2; urosome (lateral right side).


Species Batheuchaeta lamellata - Plate 4 of morphological figuresIssued from : K.A. Brodskii in Calanoida of the Far Eastern Seas and Polar Basin of the USSR. Opred. Fauna SSSR, 1950, 35 (Israel Program for Scientific Translations, Jerusalem, 1967) [p.191, Fig.107].
Male: habitus (dorsal and lateral left side); S1, P1; S5, P5.


Species Batheuchaeta lamellata - Plate 5 of morphological figuresissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.59, Fig.3, g1, g2].
Female: g1-g2, thoracic segments 4+5 (left lateral and dorsal, respectively; both showing strongly produced, lappet-shaped caudo-lateral corners extending largely along, or beyond, genital somite).


Species Batheuchaeta lamellata - Plate 6 of morphological figuresissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.76, Fig.14, e].
Female: e, accessory seta of endopodite 4th segment of Mxp (left appendage from lateral) (note: seta intermediate in development between Euchirella messinensis indicaUndeuchaeta incisa (see p.76, figs.14 c and 14 d).
Scale bar 0.1 mm.


Species Batheuchaeta lamellata - Plate 7 of morphological figuresissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.84, Fig.18, n].
Female: basipodite 1 of P4 (right leg, posterior view) (note: showing presence of a normal, medial hairbrush just like the ones in legs 2 and 3).
Scale bar 0.4 mm.


Species Batheuchaeta lamellata - Plate 8 of morphological figuresissued from : E.L. Markhaseva in Zool. Zh., 1981, LX, 8. [p.1158, Fig.5].
Female (from Kuril-Kamchatka): 1-2, habitus (dorsal and lateral, respectively); 3, last thoracic segment, genital segment and urosomite 2 (dorsal); 4-6, last thoracic segment and genital segment ( right and left lateral, ventral, respectively); 7, genital field; 8-9, last toracic segment and genital segment, genital field (ventral; another individual); 10, A1; 11, distal lobe of the endopod of P1.

Nota: basis of Md with 3 setae. Genital segment symmetrical, genital field asymmetrical.


Species Batheuchaeta lamellata - Plate 9 of morphological figuresBatheuchaeta lamellata female:
1 - Genital segment symmetrical.
2 - Lobes of posterior corners of last thoracic segment reaching posterior border of genital segment (lateral view).


Species Batheuchaeta lamellata - Plate 10 of morphological figuresBatheuchaeta lamellata male:
1 - Exopodal segment 2 of P2 anterior surface with a row of minute denticles near the base of external spine. Denticles of endopod of P1 external lobe arranged apically.
2 - Left endopod of P5 without excavation.


Species Batheuchaeta lamellata - Plate 11 of morphological figuresissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.66, Fig.7, f].
Batheuchaeta lamellata: f, A2 arrangements of spinules and hairs on the posterior edge of endopodite 2+3 (left appendage in lateral aspect) : distal patch of >30 spinules with, in addition, a few small, scattered spinule-like structures (lateral face).


Species Batheuchaeta lamellata - Plate 12 of morphological figuresissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.66, Fig.7, g, h].
Batheuchaeta lamellata: Structural feature of exopodite 1 and exopodite 2 of A2 (lateral aspects of left appendages and medial views of right antennal parts; compare with Fig.7n which represents left A2 medial face drawn from a lateral view).
g, lateral; h, medial.

Nota: Degree of fusion of exopodite 1 and 2: suture completely free laterally, showing slight indication of fusion medially.


Species Batheuchaeta lamellata - Plate 13 of morphological figuresissued from : J.C. von Vaupel Klein in Crustaceana, Supplt 9, Studies on Copepoda, III, 1984. [p.68, Fig.8, h].
Batheuchaeta lamellata: Structure and setal complement of endopod 1 of Md (left appendage, anterior). 3 setae, 2 large and 1 small (similar to Pseudochirella obesa).


Species Batheuchaeta lamellata - Plate 14 of morphological figuresIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.93, Table II ].
Batheuchaeta lamellata Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).


Species Batheuchaeta lamellata - Plate 15 of morphological figuresIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.94, Table II (cont' d) ].
Batheuchaeta lamellata Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).


Species Batheuchaeta lamellata - Plate 16 of morphological figuresIssued from : J.C. von Vaupel Klein in Crustaceana, (Supplement) 9, 1984. [p.95, Table II (cont' d) ].
Batheuchaeta lamellata Female: Datamatrix stating observed states of characters from Table I (p.87-90) presently examined; nos. refer to the input nos. used in Table I (see to the family Aetideidae).

Compl. Ref.:
Grice & Hulsemann, 1967 (p.14); Razouls & al., 2000 (p.343, Appendix); Ikeda & al., 2006 (p.1791, Table 2); Park & Ferrari, 2009 (p.143, Table 4, Appendix 1, biogeography)
NZ: 7

Distribution map of Batheuchaeta lamellata by geographical zones
Species Batheuchaeta lamellata - Distribution map 3
Chart of 1996
Loc:
Japan (NE), Kuril-Kamchatka, Aleutian Is., Mariannes (Trench), SW Indian, Antarct. (Indian), N Atlant. (off Nova Scotia, W Ireland), Antarctc.

Type locality: 90 miles to SE off Shipunsky Cape (Kamchatka).
N: 9
Lg.:
(22) F: 5,1; M: 4,5; (210) F: 5,2-4,7; M: 4,5; (1257) F: 4,95-5,10; {F: 4,70-5,20; M: 4,50}
Rem.: abyssopelagic; 3000-5000 m in Ikeda & al., 2006 (p.1799, Table 2);
Sampling depth (Antarct.) : 0-3000 m.
Last update : 22/02/2021
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Razouls C., Desreumaux N., Kouwenberg J. and de Bovée F., 2005-2021. - Biodiversity of Marine Planktonic Copepods (morphology, geographical distribution and biological data). Sorbonne University, CNRS. Available at http://copepodes.obs-banyuls.fr/en [Accessed February 28, 2021]

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