Overview

Distribution

Aangespoeld op kurk in De Panne op 5 oktober 2004 (De Blauwe, 2005).
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Source: World Register of Marine Species

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Fossil records of Escharoides mamillata are known from the Pliocene Coralline Crag of East Anglia and the Low Countries. Recent specimens of the species were recorded from the Antrim coast, Orkney, the west coast of Scotland, the coast of Galicia, Spain and the Gulf of Marseilles.

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Source: Bryozoa of the British Isles

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Physical Description

Morphology

Escharoides mamillata is an encrusting bryozoan, rarely found in the British Isles. The colonies form sub-circular patches composed of a single layer of autozooids. Autozooids are broadly oval to quadrangular and strongly convex. They range in size from 0.5-0.8 by 0.4-0.6 mm.

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Source: Bryozoa of the British Isles

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Diagnostic Description

Description

Vormt korstjes. Zoïden 0,5 tot 0,8 mm lang. Jong zoïdenoppervlak glad, later bedekt met bobbeltjes die in rijen gerangschikt zijn die van de suborale mucro uitwaaieren. Marginale poriën klein en enkel zichtbaar in zoïden aan de kolonierand. 4 of 6 orale stekels op zoïden zonder broedkamer. Mucro groot en stomp. Binnen in de opening staat proximaal een korte hoekige tand en lateraal een driehoekig tandje. Aan weerszijden van de opening staat een avicularium, kleiner dan bij E. coccinea en distaal gericht. Broedkamer snel bedekt met bobbeltjes.
  • 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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Ecology

Habitat

The species is able to colonise shells and calcareous organisms. The species is little-known and rarely reported, but assumed to be restricted to offshore environments.

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Source: Bryozoa of the British Isles

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