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.

Armadillidium nasatum

Range & Status

Common where it occurs in the south of England and Wales but virtually absent from the rest of Britain.

Regional Distribution

The first record from Cornwall was from near Redruth in 1943 by R.S. Bagnall, but after that it was mainly recorded on the Lizard Peninsula, inland east of Mullion and on the coast at Halzephron, Coverack, Loe Bar, Church Cove and Dennis Head. Only recently has it been recorded for the first time elsewhere on the mainland, at Gwithian Green on the north coast.

Habitat & Ecology

In Cornwall recorded from areas of coastal grassland, the upper strand line of the sea shore, and old quarries.


None known.


The coastal sites are in areas designated for nature conservation.


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.