''Gattyana'' is a genus of marine

annelids The annelids (), also known as the segmented worms, are animals that comprise the phylum Annelida (; ). The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches. The species exist in and have adapted to vario ...

in the family

Polynoidae Polynoidae is a family (biology), family of marine Polychaete worms known as "scale worms" due to the scale-like elytron (Annelida), elytra on the dorsal surface. Almost 900 species are currently recognised belonging to 9 subfamilies and 167 gen ...

(scale worms). The genus includes 11 species, 9 of which occur in the

northern hemisphere The Northern Hemisphere is the half of Earth that is north of the equator. For other planets in the Solar System, north is defined by humans as being in the same celestial sphere, celestial hemisphere relative to the invariable plane of the Solar ...

, the remaining two are from the

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off

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and the

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off

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. Species of ''Gattyana'' are known from shallow water down to depths of about 1200 m.McIntosh, W.C. 1897. Notes from the Gatty Marine Laboratory, St. Andrews. No. 18. 1. On the phosphorescence of Gattyana (Nychia) cirrosa Pallas. 2. On a new Evarne (E. atlantica) from Rockall. 3. On the British species of Pholoe. 4. On a collection of annelids made by Canon Norman in Norway. Part I. A new Evarne and two species of Sthenelais. Annals and Magazine of Natural History 20 (Series 6): 167-178., available online at https://www.biodiversitylibrary.org/page/19213622Barnich, R. & Fiege, D. (2003) The Aphroditoidea (Annelida: Polychaeta) of the Mediterranean Sea. Abhandlugen der Senckebergische Naturforschenden Gesellschaft Frankfurt am Main 559, 1–167.Barnich R, Fiege D (2009) Revision of the genus Harmothoe Kinberg, 1856 (Polychaeta: Polynoidae) in the Northeast Atlantic. Zootaxa 2104: 1–76. https://doi.org/10.11646/zootaxa.2104.1.1.

Description

Species of ''Gattyana'' are short-bodied scale worms with about 34 to 40 segments and 15 pairs of

elytra An elytron (; ; : elytra, ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometime ...

which cover the dorsum completely and have a marginal fringe of papillae. The

prostomium The prostomium (From Ancient Greek, meaning "before the mouth"; : prostomia; sometimes also called the "acron") is the Cephalization, cephalized first body segment in an annelid worm's body at the anterior end. It is in front of (but does not in ...

is bilobed anteriorly and a pair of cephalic peaks is present. The lateral antennae are inserted ventrally directly beneath the median antenna. The neuropodial lobe is elongate and tapering.

Notochaetae A chaeta or cheta (; ) is a chitinous bristle or seta found on annelid worms, although the term is also frequently used to describe similar structures in other invertebrates such as arthropods. Polychaete annelids (''polychaeta'' literally mean ...

of two kinds are present: with capillary tips and with blunt tips. All

neurochaetae A chaeta or cheta (; ) is a chitinous bristle or seta found on annelid worms, although the term is also frequently used to describe similar structures in other invertebrates such as arthropods. Polychaete annelids (''polychaeta'' literally mean ...

have unidentate tips.

Species

As at October 2020, ''Gattyana'' includes 11 species: *'' Gattyana amondseni'' (Malmgren, 1867) *'' Gattyana australis'' Averincev, 1978 *'' Gattyana brunnea'' Hartman, 1966 *'' Gattyana ciliata'' Moore, 1902 *'' Gattyana cirrhosa'' (Pallas, 1766) *'' Gattyana fauveli'' Misra, 1999 *'' Gattyana mossambica'' Day, 1962 *'' Gattyana nutti'' Pettibone, 1955 *'' Gattyana pacifica'' (Johnson, 1901) *'' Gattyana pohaiensis'' Uschakov & Wu, 1959 *'' Gattyana treadwelli'' Pettibone, 1949

References

{{Taxonbar, from=Q3918516 Phyllodocida