Record Summary | introduced into small butyl rubber-lined pond |
Found as | Living animal |
Date | 12 February 2004 |
Habitat feature | small artificial pond |
OS grid ref | OSGR: SU77 |
Lat/Lon | 51° 30’ N, 0° 60’ W |
Vice County | Berks, VC no: 22 |
Country | England |
Notes: Shells thick, dark and conspicously ribbed: 24.2mm x 12.1mm x 5.3w and 22.9mm x 10.4mm x 5.2w
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