When it is recorded
Jan0
Feb0
Mar4
Apr11
May23
Jun25
Jul18
Aug25
Sep65
Oct10
Nov3
Dec46
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | North Yorkshire | England | 34 | |
| 2 | Monmouthshire | Wales | 22 | |
| 3 | Dorset | England | 20 | |
| 4 | Oxfordshire | England | 13 | |
| 5 | Surrey | England | 12 | |
| 6 | Cambridgeshire | England | 11 | |
| 7 | West Berkshire | England | 11 | |
| 8 | Herefordshire, County of | England | 10 | |
| 9 | Somerset | England | 7 | |
| 10 | Devon | England | 4 | |
| 11 | Bradford | England | 4 | |
| 12 | Gloucestershire | England | 3 | |
| 13 | Norfolk | England | 2 | |
| 14 | East Riding of Yorkshire | England | 2 | |
| 15 | Essex | England | 2 |
223 England1 Scotland30 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 30 counties in all.
About this species
- Records since 2000
- 260
- Peak month
- September
- Counties with records
- 30
- Group
- Molluscs
- NBN Atlas records since 2000
- 253
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Bivalvia
- Order
- Sphaeriida
- Family
- Sphaeriidae
- Genus
- Pisidium
- Name with authority
- Pisidium amnicum (O.F.Müller, 1774)
- Described
- 1774
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q604170 · GBIF 2286691