Siphonostomatoida ( Ordre )
Megapontiidae Heptner, 1968 ( Siphonostomatoida )
Ref.: Heptner, 1968 a (p.1637); Kabata, 1979 (p.52); Razouls, 1982 (p.722); Bowman & Abele, 1982 (p.12); Huys & Boxshall, 1991 (p.243, 250, 422, 464 ); Razouls, 1993 (p.313); Boxshall & Halsey, 2004 (p.16; 785: Def.); Vives & Shmeleva, 2010 (p.400, Rem., spp. key.)
Rem.: Formes commensales, accidentellement dans le plancton. 1 G.: Hyalopontius.
Famille Megapontiidae - Planche 1Issued from : G.A. Boxshall & S.H. Halsey in An Introduction to Copepod Diversity, Part II, The Ray Society, 2004, Part II, No 166. [p.785].
Spine (Roman numerals) and setae (Arabic numerals) formula of swimmings legs P1 to P4.
Element (s) on the outer margin of any segment are given first, separatd by a hyphen from the inner margin element (s)

Nota: Swimming legs P1 to P4 biramous with 3-segmented rami. Intercoxal sclerites present. Inner seta on basis of P1 absent.
- P5 with protopodal segment fused ton somite; exopod 1-segmented with 3 setae; endopod absent.
P6 represented by a single seta on genital operculum in female and by a lobe bearing 1 seta and 2 spines in male.

Famille Megapontiidae - Planche 2Issued from : G.A. Boxshall & S.H. Halsey in An Introduction to Copepod Diversity, Part II, The Ray Society, 2004, Part II, No 166. [p.786, Fig.266].
A, Hyalopontius enormis female; B, Hyalopontius typicus female A2; C, Mxp; D, Hyalopontius spinatus female Mx2; Md; F, Hyalopontius roei female Mx1.
from Boxshall, 1979.
(1) Hyalopontius Sars, 1909
Syn.: Megapontius Hulsemann, 1965 (p.50)
Ref.: Sars, 1909 (p.6); Boxshall, 1979 (p.243, spp. Key); Razouls, 1982 (p.722); Boxshall, 1986 (p.160, 202); Huys & Boxshall,1991 (p.246, 326, 414); Vives & Shmeleva, 2010 (p.400, Rem., spp. key from Iberica Fauna.)
Rem.: Type: Hyalopontius typicus G.O. Sars,1909. Total: 9 spp.
Remarques sur les dimensions et le sex-ratio:
The mean female size is 5.170 mm (n = 9; SD = 1.0437) and the mean male size is 4,815 mm (n= 4; SD = 0.1895). The size ratio (Male: Female) for only one species is 0,949 or 94,9 %.
Genre Hyalopontius - Planche 1Issued from : G.A. Boxshall & S.H. Halsey in An Introduction to Copepod Diversity, Part II, The Ray Society, 2004, No 166. [p.786, Fig.266, B-E].
Characteristics of cephalosome appendages: B, female A2 (from Hyalopontius typicus; C, Mxp; D, female Mx2 (from H. spinatus; E, Md; F, female Mx1 (from H. roei).

 Toute utilisation de ce site pour une publication sera mentionnée avec la référence suivante :

Razouls C., Desreumaux N., Kouwenberg J. et de Bovée F., 2005-2021. - Biodiversité des Copépodes planctoniques marins (morphologie, répartition géographique et données biologiques). Sorbonne Université, CNRS. Disponible sur http://copepodes.obs-banyuls.fr [Accédé le 02 décembre 2021]

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