Sertularella_gayi

<i>Sertularella gayi</i>

Sertularella gayi

Species of hydrozoan

Sertularella gayi is a branching colonial hydroid in the family Sertulariidae.[2]

Quick Facts Sertularella gayi, Scientific classification ...

Description

The main stems of the colony are bright yellow and relatively thick, composed of several fibres adhering to each other at the base, becoming monosiphonic with alternating zooids in the upper part of the colony. The side branches are approximately alternate and support the hydrothecae which are regularly alternate, one to each internode. As in Sertularella polyzonias they are bulbous in the basal region, and the margin is quadridentate. The operculum consists of four triangular flaps. The gonothecae are oval shaped, and the upper portion has transverse ridges whilst the lower portion is smooth. The aperture is bidentate.[3]

Distribution

The type locality for this species is the English Channel coast of France, from Pirou and Anneville-sur-Mer. North-East Atlantic, shallow sublittoral to considerable depths.[4]

References

  1. [1]
    Lamouroux. (1821). Exposition méthodique des genres de l'ordre des polypiers : avec leur description et celle des principales espèces, figurées dans 84 planches, les 63 premières appartenant a l'Histoire naturelle des zoophytes d'Ellis et Solander. / par J. Lamouroux.
  2. [2]
    WoRMS (2017). Sertularella gayi (Lamouroux, 1821). In: Schuchert, P. (2017). World Hydrozoa database. Accessed through: World Register of Marine Species on 2018-02-03.
  3. [3]
    Picton, B.E. & Morrow, C.C. (2016). Sertularella gayi (Lamouroux, 1821). [In] Encyclopedia of Marine Life of Britain and Ireland. Accessed on 2018-02-03
  4. [4]
    iNaturalist, 2018. Sertularella gayi


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