When it is recorded
Jan8
Feb1
Mar5
Apr0
May2
Jun16
Jul11
Aug8
Sep1
Oct7
Nov0
Dec20
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | Kent | England | 26 | |
| 2 | Norfolk | England | 14 | |
| 3 | Dumfries and Galloway | Scotland | 14 | |
| 4 | Suffolk | England | 12 | |
| 5 | Dorset | England | 3 | |
| 6 | Worcestershire | England | 2 | |
| 7 | Somerset | England | 2 | |
| 8 | Essex | England | 1 | |
| 9 | West Berkshire | England | 1 | |
| 10 | Fermanagh and Omagh | Northern Ireland | 1 |
64 England14 Scotland1 Northern Ireland
Records per county (GADM level 2) and per nation; one record can count towards several areas. 10 counties in all.
About this species
- Records since 2000
- 79
- Peak month
- December
- Counties with records
- 10
- Group
- Molluscs
- NBN Atlas records since 2000
- 80
- Conservation designations
- GB Red List (2001 IUCN criteria)
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Bivalvia
- Order
- Sphaeriida
- Family
- Sphaeriidae
- Genus
- Sphaerium
- Name with authority
- Sphaerium nucleus (Studer, 1820)
- Described
- 1820
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3013911 · GBIF 5855593