When it is recorded
Jan125
Feb171
Mar307
Apr525
May646
Jun513
Jul401
Aug351
Sep461
Oct378
Nov178
Dec147
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | North Yorkshire | England | 867 | |
| 2 | Gloucestershire | England | 297 | |
| 3 | Worcestershire | England | 98 | |
| 4 | Highland | Scotland | 96 | |
| 5 | Cornwall | England | 96 | |
| 6 | Scottish Borders | Scotland | 85 | |
| 7 | Argyll and Bute | Scotland | 78 | |
| 8 | Norfolk | England | 74 | |
| 9 | Nottinghamshire | England | 70 | |
| 10 | Devon | England | 68 | |
| 11 | Midlothian | Scotland | 64 | |
| 12 | Herefordshire, County of | England | 60 | |
| 13 | East Lothian | Scotland | 55 | |
| 14 | Perth and Kinross | Scotland | 50 | |
| 15 | Dorset | England | 49 |
3,144 England670 Scotland321 Wales97 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 89 counties in all.
About this species
- Records since 2000
- 4,241
- Peak month
- May
- Counties with records
- 89
- IUCN Red List
- Least Concern
- Scientific name
- Clausilia bidentata
- Group
- Molluscs
- Most recorded in
- North Yorkshire, Gloucestershire, Worcestershire, Highland, Cornwall, Scottish Borders, Argyll and Bute, Norfolk, Nottinghamshire, Devon, Midlothian, Herefordshire, County of +2
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Gastropoda
- Order
- Stylommatophora
- Family
- Clausiliidae
- Genus
- Clausilia
- Name with authority
- Clausilia bidentata (Strøm, 1765)
- Described
- 1765
- Contributing datasets
- 32
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3197420 · GBIF 4571002