Overview

Comprehensive Description

Remarks

Monotypic genus; type species lives in shallow brackish water, living and breeding in polyhaline to ologohaline waters.

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© Wilson, Robin

Source: Annelida LifeDesk

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Description

Prostomium anteriorly truncated, trilobed. Buccal tentacles smooth. Oral membrane short, smooth and folded. Prostomial dorsal glandular ridges absent. Branchiae 3 pairs. All branchiae similar, all smooth, none basally flanged. Branchiae in two groups inserted mid-dorsally, connected basally, the 3 branchiae of each group arranged in a triangle and connected at the bases. Paleae on segment 3 absent. Dorsal crest absent. Nuchal (post branchial) hooks on segment 4 absent. Notopodia all similar. Notochaetae present from segment 4. Neuropodia present, tori of similar length throughout thorax. Segments 3–6 without neurochaetae. Number of pairs of thoracic uncinigers 13. Abdominal notopodial rudiments absent. Anal cirri absent.

Description generated from: Hutchings, PA & Johnson, RT, 2003. Australian Ampharetidae (Polychaeta) DELTA database. In Wilson RS, Hutchings PA & Glasby CJ (eds) Polychaetes: Interactive Identification and Information Retrieval. CSIRO Publishing, Melbourne.

Additional references:
Fauchald, K. 1977. The polychaete worms. Definitions and keys to the orders, families and genera. Natural History Museum of Los Angeles County, Science Series 28, 1-188.;
Holthe, T. 1986. Polychaeta Terebellomorpha from the northern Norwegian Sea and the Polar Sea, with descriptions of Mugga bathyalis sp.n. and Ymerana pteropoda gen. and sp.n. Sarsia 71, 227-234.;
Holthe, T. 1986. Polychaeta Terebellomorpha. Norwegian University Press, Norway.

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© Wilson, Robin

Source: Annelida LifeDesk

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Distribution

Distribution within Australia: Not known from Australia.

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© Wilson, Robin

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Ecology

Habitat

Estuarine, marine, inshore (including inshore bay).

Creative Commons Attribution 3.0 (CC BY 3.0)

© Wilson, Robin

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Depth range based on 126 specimens in 2 taxa.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 0 - 560
  Temperature range (°C): 0.762 - 4.502
  Nitrate (umol/L): 2.485 - 13.350
  Salinity (PPS): 8.860 - 34.956
  Oxygen (ml/l): 7.049 - 7.103
  Phosphate (umol/l): 0.670 - 0.868
  Silicate (umol/l): 6.268 - 16.024

Graphical representation

Depth range (m): 0 - 560

Temperature range (°C): 0.762 - 4.502

Nitrate (umol/L): 2.485 - 13.350

Salinity (PPS): 8.860 - 34.956

Oxygen (ml/l): 7.049 - 7.103

Phosphate (umol/l): 0.670 - 0.868

Silicate (umol/l): 6.268 - 16.024
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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