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.

Pholadidea loscombiana - Paper Piddock

Range & Status

This species bores into mud, clay, peat and soft sandstone from low water to considerable depth. It is recorded only from the south coasts of Cornwall, Devon, Dorset and old records from the Irish Sea. Elsewhere it extends its range southwards to the Atlantic coast of Spain. There are several very old, pre-1896 records for Cornwall but recently (1998) it was found to be fairly frequent in soft, red sandstone dredged from offshore.


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.