Species Card of Copepod
Calanoida ( Order )
    Clausocalanoidea ( Superfamily )
        Aetideidae ( Family )
            Parabradyidius ( Genus )
Parabradyidius spinibasis  (Bradford, 1969)   (juv. F, juv. M)
Syn.: Bradyidius spinatus Bradford, 1969 b (p.484);
Bradyidius spinibasis: Bradford, 1969 b (p.481, figs. juv.F,M);
Pseudotharybis spinibasis : Bradford & Jillett, 1980 (p.21, 74, figs.F,M)
Ref.:
Schulz & Markhaseva, 2000 (p.88: Rem.); Bradford-Grieve, 2004 (p.284)
Species Parabradyidius spinibasis - Plate 1 of morphological figuresIssued from : J. Bradford in N. Z. J. Mar. Freshw. Res., 1969, 3 (4). [p.483, Figs. 57-69]. As Bradyidius spinibasis stage V.
Female (from 34°38'S, 174°36'E): 57, Mx2; 58, A1; 59, abdomen (lateral); 60, A2; 61, habitus (dorsal ); 62, P1; 63, Mx1; 64, Md; 65, P3; 66, P2; 67, Mxp; 69, rostrum.

Male stage V: 68, P5.

Nota Female:
- Head and thoracic segment 1 fused but fusion line visible, thoracic segments 4 and 5 separate.
- Sharply pointed posterior extensions of prosome, reaching end of abdominal segment 2.
- Rostrum bifurcate, points slightly diverging.
- Urosome little more than 1/5 of total body length.
- A1 reaches thoracic segment 4; 24-segmented, with long terminal annulate setae.
- A2, Md, Mx1, Mx2, Mxp as in Bradyidius.
- Terminal spines on exopods bear about 34 closely packed teeth unlike Bradyidius
- Posterior surface of P2-P4 endopods covered with fine spinules. Glandular pores openong on anterior surface.
- P5 present but damaged


Species Parabradyidius spinibasis - Plate 2 of morphological figuresIssued from : J.M. Bradford & J.B. Jillett in N. Z. Oceanogr. Inst., Memoir 86, 1980. [p.78, Fig.54]. As Pseudotharybis spinibasis stage V.

Female stage V: A, habitus (dorsal); B, rostrum; C, A2; D, P1.

Male stage V: E, P5.

Nota:
- Similar to stage V female but posterior thoracic points slightly shotyer .
- P5 biramous

NZ: 1

Distribution map of Parabradyidius spinibasis by geographical zones
Loc:
NE New Zealand
N: 3
Lg.:
(201) juv.F: 3,35; juv.M: 3,9
Rem.: Bathypelagic (Depths: 1690-1697 m). ? hyperbenthic
Last update : 16/11/2017
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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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