Overview

Comprehensive Description

Biology

For a long time E. labiosa was regarded as a variety of Escharella  immersa and therefore little is known of its biology and ecology.

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Source: Bryozoa of the British Isles

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Distribution

In België op aangespoeld plastic op 28 december 1999 in Zeebrugge en 16 januari 2000 in Westende.
  • De Blauwe, H. (2009). Mosdiertjes van de Zuidelijke Bocht van de Noordzee. Determinatiewerk voor België en Nederland. Uitgave Vlaams Instituut voor de Zee, Oostende: 464pp.
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Source: World Register of Marine Species

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It has been reported from Belfast Bay, Guernsey, the Sound of Mull,  County Cork, north Cornwall and Milford Haven. It has not been reported  from the English Channel or east coasts.

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© Natural History Museum, London

Source: Bryozoa of the British Isles

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Physical Description

Morphology

Escharella labiosa is an encrusting bryozoan. Colonies form small rounded patches, composed of a single layer of autozooids. Autozooids are oval and convex. They are separated by deep grooves and arranged in alternating linear series. The autozooids are small in size (0.38-0.5 by 0.24-0.3 mm) with four spines.

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Source: Bryozoa of the British Isles

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Diagnostic Description

Description

Vormt kleine ronde korstjes, zoïden in alternerende rijen. Zoïden 0,4 tot 0,5 mm lang, ovaal, convex. Marginale poriën klein en onopvallend. Lyrula slank, vierhoekig met concave distale rand. Altijd 4 distale orale stekels, ook bij een broedkamer (wel 5 of 6 stekels op de eerste drie zoïden die uit de ancestrula ontspringen). De opgerichte rand rond de opening vormt proximaal een hoge punt. Broedkamers iets breder dan lang en korrelig. Ancestrula ovaal met frontaal membraan, omringd door 11 of 12 stekels. Een smal kalkrandje ligt onder het membraan rondom de ronde opening.
  • De Blauwe, H. (2009). Mosdiertjes van de Zuidelijke Bocht van de Noordzee. Determinatiewerk voor België en Nederland. Uitgave Vlaams Instituut voor de Zee, Oostende: 464pp.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

The species is able to colonise hard substrates in shallow subtidal waters.

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Source: Bryozoa of the British Isles

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