Overview

Brief Summary

Biology

Type of larval development: planktotrophic, inferred from multispiral protoconch.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Distribution

Eastern Atlantic, from Bay of Biscay to the Cape Verde Is. Mediterranean, in 50-400 m. Gorringe, Josephine, Ampère and Seine seamounts, moderately common in 96-425 m
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Physical Description

Diagnostic Description

Diagnosis

Shell up to 13 mm although generally smaller (6-7 mm). Protoconch conical with 4.5 whorls, 500-550 ¼m high and with several poorly impressed subsutural striae. Teleoconch with up to 8 convex whorls and deep suture, with 14-15 laminar ribs per whorl, forming an angular projection just below the suture, and with numerous, clearly impressed spiral striae in the interspaces. Colour of protoconch brown, of teleoconch white. This species is extremely similar to E. tibrii(de Boury, 1890), and may be virtually indistinguishable from it without the protoconch. It grows slightly larger but the most diagnostic character is that the protoconch of E. tiberii is 0.7 to 0.8 times smallerand has a clear substural thread instead of several poorly marked spirals . Both species are easily separated when present in the same sample, but E. algerianum clearly predominates in the Alboran sea and E. tiberii on the Lusitanian seamonts.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

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

Environmental ranges
  Depth range (m): 330 - 330
  Temperature range (°C): 11.330 - 11.330
  Nitrate (umol/L): 11.254 - 11.254
  Salinity (PPS): 35.579 - 35.579
  Oxygen (ml/l): 5.561 - 5.561
  Phosphate (umol/l): 0.736 - 0.736
  Silicate (umol/l): 3.718 - 3.718
 
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