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Speleoithonidae Rocha & Iliffe, 1991 ( Cyclopoida ) | Ref.: | Rocha & Iliffe, 1991 (p.167, 175); Boxshall & Halsey, 2004 (p.661: Def.) | Rem.: | 1 G.: Speleoithona |  Issued from : G.A. Boxshall & S.H. Halsey in The Ray Society, 2004, N°166, Part II. [p.662, Fig.218]. A, Speleoithona eleutherensis female; B, Mx1; C, Md; D, A2; E, P5; F, male P5. From da Rocha & Ilife, 1991. |
 Issued from : G.A. Boxshall & S.H. Halsey in The Ray Society, 2004, N°166, Part II. [p.661]. Armature formula of swimming legs P1 to P4. Nota: Swimming legs P1 to P4 biramous, with 3-segmented rami. P1 to P4 joined by intercoxal sclerites. Inner seta on basis of P1 present. Inner coxal seta present in P1 only. - Armature of legs P1 to P4 often secondarily reduced. - P5 in both sexes with single protopodal segment and 1-segmented exopod. Intercoxal sclerite present. Outer protopodal seta long, situated on distal surface of segment adjacent to free exopodal segment. Exopod bearing single apical seta in female; apical seta plus 2 inner margin setae in male. - P6 represented by 1 seta on genital operculum of female; by 2 setae in male. | | | | (1) Speleoithona Rocha & Iliffe, 1991 | |
| Ref.: | Rocha & Iliffe, 1991 (p.168) | Rem.: | Total: 3 spp. | Remarques sur les dimensions et le sex-ratio: | | The mean female size is 0.273 mm (n = 6; SD = 0.0186) and the mean male size is 0.257 mm (n = 6; SD = 0.0242). The size ratio (Male / Female) is 0.94, or 94 %. The sex ratio (female / male) is 1. | | | |
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