When it is recorded
Jan29
Feb9
Mar352
Apr436
May640
Jun121
Jul135
Aug143
Sep608
Oct527
Nov346
Dec45
GBIF records by month, 2000–2025 (all years combined).
Where it is recorded
| # | County | Nation | Records | Share |
|---|---|---|---|---|
| 1 | North Yorkshire | England | 232 | |
| 2 | Dorset | England | 226 | |
| 3 | Oxfordshire | England | 218 | |
| 4 | Monmouthshire | Wales | 171 | |
| 5 | Norfolk | England | 133 | |
| 6 | Somerset | England | 131 | |
| 7 | Nottinghamshire | England | 116 | |
| 8 | Northamptonshire | England | 95 | |
| 9 | Suffolk | England | 92 | |
| 10 | Cambridgeshire | England | 89 | |
| 11 | Lincolnshire | England | 84 | |
| 12 | Gloucestershire | England | 69 | |
| 13 | Essex | England | 66 | |
| 14 | Rutland | England | 61 | |
| 15 | Herefordshire, County of | England | 54 |
3,212 England5 Scotland147 Wales
Records per county (GADM level 2) and per nation; one record can count towards several areas. 32 counties in all.
About this species
- Records since 2000
- 3,393
- Peak month
- May
- Counties with records
- 32
- IUCN Red List
- Least Concern
- Scientific name
- Theodoxus fluviatilis
- Also known as
- River nerite
- Group
- Molluscs
- NBN Atlas records since 2000
- 3,372
- Most recorded in
- North Yorkshire, Dorset, Oxfordshire, Monmouthshire, Norfolk, Somerset, Nottinghamshire, Northamptonshire, Suffolk, Cambridgeshire, Lincolnshire, Gloucestershire +3
- Conservation designations
- GB Red List (2001 IUCN criteria), Scottish Biodiversity List
- Kingdom
- Animalia
- Phylum
- Mollusca
- Class
- Gastropoda
- Order
- Cycloneritida
- Family
- Neritidae
- Genus
- Theodoxus
- Name with authority
- Theodoxus fluviatilis (Linnaeus, 1758)
- Described
- 1758
- Contributing datasets
- 14
Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q908813 · GBIF 2291444