Published December 31, 2013 | Version v1
Taxonomic treatment Open

Trichobranchidae Malmgren 1866

Description

Trichobranchidae Malmgren, 1866.

Terebellides Sars, emended by Hutchings & Peart, 2000. Terebellides Sars, 1835: 48.— Hessle 1917:136–137.— Holthe 1986a: 169–170; 1986b; 114–117.— Hutchings & Peart 2000: 238.

Ampharetides Ehlers, 1913; 568 (see Holthe 1986a, b, for other synonyms) Unobranchus Hartman, 1965:229 –230, Plate 50; fide Muir 2011: 140–147. Type species: Terebellides stroemii Sars, by monotypy.

Diagnosis

Trichobranchidae with compact prostomium fused to free frontal edge of the peristomium. Peristomium forming lips, upper lip typically hidden, lower lip expanded. Branchial stems fused, branchiae forming single, lamellate structure on mid-dorsum, made up of 1 to 4 lobes, sometimes an anterior prolongation of lobes (fifth lobe) present. Eyespots absent. Thorax with 18 pairs of notopodia from segment 3 and neuropodia from segment 7 (chaetiger 5) or segment 8 (chaetiger 6) to pygidium. Notochaetae all capillaries with varying degrees of ornamentation. First, and sometimes second thoracic neuropodia with smooth, geniculate hooks, subsequent thoracic ones with denticulate hooks. Abdominal uncini avicular.

Remarks: We have amended the diagnosis of the genus to include species with two rows of thoracic neuropodial hooks. At this stage we prefer to do this rather than erect a new genus until a detailed phylogenetic study of the family is undertaken.

Notes

Published as part of Schüller, Myriam & Hutchings, Pat, 2013, New species of Terebellides (Polychaeta: Trichobranchidae) from the deep Southern Ocean, with a key to all described species, pp. 1-45 in Zootaxa 3619 on pages 8-9, DOI: 10.11646/zootaxa.3619.1.1, http://zenodo.org/record/219061

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Linked records

Additional details

Biodiversity

Family
Trichobranchidae
Kingdom
Animalia
Order
Terebellida
Phylum
Annelida
Scientific name authorship
Malmgren
Taxon rank
family
Taxonomic concept label
Trichobranchidae Malmgren, 1866 sec. Schüller & Hutchings, 2013

References

  • Malmgren, A. J. (1866) Nordiska Hafs-Annulater. Ofversigt af Koniglich Vetenskapsakademiens forhandlingar, Stockholm, 22 (1 - 3), 51 - 410.
  • Hutchings, P. A. & Peart, R. (2000) A revision of the Australian Trichobranchidae (Polychaeta). Invertebrate Taxonomy, 14 (2), 225 - 272.
  • Sars, M. (1835) Beskrivelser og lagttagelser over nogle moerkeliger eller nye I Havet ved den Bergenske Kyst levende Dyr af Polypernes, Acalephernes, Radiaternes, Annelidernes og Molluskernes classer, med en kort Oversigt over de hidtil af Forfatteren sammesteds fundne Arter og deres Forekommen. Thorstein Hallegers Forlag hos Chr. Dahl, Bergen, 1 - 81, 15 plates.
  • Hessle, C. (1917) Zur Kenntnis der terebellomorphen Polychaeten. Zoologiska bidrag fran Uppsala 5, 39 - 258, plates I - V.
  • Holthe, T. (1986 a) Evolution, systematics and distribution of the Polychaeta Terebellomorpha, with a catalogue of the taxa and a bibliography. Gunneria, 55, 1 - 236.
  • Holthe, T. (1986 b) Polychaeta Terebellomorpha. Marine Invertebrates of Scandinavia, vol. 7. Norway: Norwegian University.
  • Hartman, O. (1965) Deep-water benthic polychaetous annelids off New England to Bermuda and other North Atlantic areas. Allan Hancock Foundation publications. Occasional Paper no 28, 378 pp.
  • Muir, A. I. (2011) A redescription of Unobranchu s (Annelida: Terebellidae: Trichobranchidae), with notes on the systematics of Trichobranchidae. Italian Journal of Zoology, 78 (S 1), 140 - 147. http: // dx. doi. org / 10.1080 / 11250003.2011.583490