Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Thalassema thalassemum



Range & Status

Living in mud and sand-filled crevices on the lower shore; also interstitially in the valves of shells and in ' clinker' to 50m or more depth of water. They occur northwards from the Mediterranean to southern Britain where they are relatively common in Devon and Cornwall. Elsewhere they are recorded from south-west and north-west Wales, Pembrokeshire and Anglesey respectively, the south, south-west and the west coasts of Ireland and recently from Dorset.

Source:

I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.



Cornish Biodiversity Network. 2017.