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Cirratulid worms

Scientific Name
Dodecaceria spp.
Scientific Author
-
Taxonomy
Annelida: Polychaeta: Cirratulidae
Status
Australian Native Species
Reliability
High
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Diagnostic Images (3)
Diagnostic Notes

Prostomium shape bluntly hoodlike, anterior margin blunt or slightly rounded. Eyes present, or absent. Eye spots single. Eye red. Usually without eyes. Peristomium with grooved tentacles arising laterally, one pair. Grooved tentacles arising from peristomium. First branchiae arising at same level as first tentacles. Branchiae on anterior chaetigers adjacent to notopodia or displaced by at most diameter of branchia. Position of branchiae relative to notopodia similar throughout. Number of branchiae per parapodium one. Branchiae limited to only a portion of the body. Comments on branchiae the distribution of branchiae is closely correlated with size; between 2-8 pairs present.

Acicular chaetae present, first appear anteriorly, with at least some modified types (hooks). Distally spooned or spatulate acicular chaetae present, at least on some chaetigers. Dentate acicular chaetae absent. Knobby-tipped acicular chaetae absent. Acicular chaetae of posterior neuropodia alternating regularly with capillaries, or separate from capillaries (or capillaries absent). Acicular chaetae of posterior chaetigers lateral, not forming almost complete arcs. Smooth capillary chaetae absent. Serrated capillary chaetae present.

More Information
Specimen Contact
Robin Wilson
Author
Wilson, R. & Dane, E.
Created
12/06/2008 02:31 AEST
Last Updated
12/04/2011 15:15 AEST
Citation
Wilson, R. & Dane, E. (2008) Cirratulid worms (Dodecaceria spp.) Updated on 4/12/2011 3:15:37 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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