Overview

Distribution

 This species has been recorded on rocky walls and on mollusc shells from 10 to 180 m depth (Bowerbank 1866, Arndt 1934, Pulitzer-Finali 1983, van Soest and Stone 1986). It is widely distributed in the Mediterranean Sea (Northern Adriatic Sea, Alboran Sea and Ionian Sea (Pansini and Longo 2003, 2008) and along the Atlantic coast of Europe: Arctic, Sweden, Ireland, United Kingdom, France (van Soest et al. 2013).  This specimen, like that described by van Soest and Stone (1986), differs from the type material in the toxa dimensions. Actually Bowerbank measured small toxas 50 µm long and large toxas 130 µm long dividing them in two size categories. Van Soest and Stone (1986) confirm the large variability of spicule size. The species is a new finding for the coralligenous community and the Ligurian Sea.
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© Marco Bertolino, Carlo Cerrano, Giorgio Bavestrello, Mirco Carella, Maurizio Pansini, Barbara Calcinai

Source: ZooKeys

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Physical Description

Type Information

Holotype for Microciona armata Bowerbank, 1866
Catalog Number: USNM 5048
Collection: Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology
Preparation: Slide
Locality: Channel Islands, Guernsey Island, England, United Kingdom, North Atlantic Ocean
  • Holotype: Bowerbank. 1866. Ray Society. 2: 129-131, pl.23, f.17-24.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Invertebrate Zoology

Source: National Museum of Natural History Collections

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Ecology

Habitat

Depth range based on 5 specimens in 1 taxon.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 6.6 - 33
  Temperature range (°C): 11.513 - 11.513
  Nitrate (umol/L): 6.408 - 6.408
  Salinity (PPS): 34.793 - 34.793
  Oxygen (ml/l): 6.313 - 6.313
  Phosphate (umol/l): 0.441 - 0.441
  Silicate (umol/l): 2.954 - 2.954

Graphical representation

Depth range (m): 6.6 - 33
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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