Overview

Comprehensive Description

Remarks

17 valid species known with a mostly eastern Pacific distribution.

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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 present. Branchiae 4 pairs. All branchiae similar, all smooth, none basally flanged. All branchial pairs arranged in a distinctly segmental fashion, 2 pairs on segment 3, 1 pair on segment 4, and the last pair on segment 5. Paleae on segment 3 absent. Dorsal crest absent. Nuchal (post branchial) hooks on segment 4 absent. Notopodia all similar. Notochaetae all smooth, present from segment 4. Neuropodia present, tori of similar length throughout thorax. Segments 3–6 without neurochaetae. Number of pairs of thoracic uncinigers 11. Abdominal notopodial rudiments present. Anal cirri present, 2 pairs.

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.
Reuscher, M., Fiege, D., & Wehe, T. (2009). Four new species of Ampharetidae (Annelida: Polychaeta) from Pacific hot vents and cold seeps, with a key and synoptic table of characters for all genera. Zootaxa, 2191, 1-40.

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© Wilson, Robin

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Distribution

Australia, South America, Pacific coast. Distribution within Australia: South-eastern Australia. This genus has a mostly eastern Pacific distribution.

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Ecology

Habitat

Slope, deep sea.

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© Wilson, Robin

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Depth range based on 290 specimens in 10 taxa.
Water temperature and chemistry ranges based on 208 samples.

Environmental ranges
  Depth range (m): 0 - 25000
  Temperature range (°C): -2.013 - 13.257
  Nitrate (umol/L): 0.873 - 40.826
  Salinity (PPS): 32.853 - 38.362
  Oxygen (ml/l): 0.801 - 8.340
  Phosphate (umol/l): 0.031 - 3.301
  Silicate (umol/l): 3.180 - 160.407

Graphical representation

Depth range (m): 0 - 25000

Temperature range (°C): -2.013 - 13.257

Nitrate (umol/L): 0.873 - 40.826

Salinity (PPS): 32.853 - 38.362

Oxygen (ml/l): 0.801 - 8.340

Phosphate (umol/l): 0.031 - 3.301

Silicate (umol/l): 3.180 - 160.407
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 17
Specimens with Sequences: 1
Specimens with Barcodes: 1
Species: 3
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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