About Earthynature of Britain
  1. Home
  2. Species
  3. Flat Valve Snail
Species · Molluscs

Flat Valve Snail

Valvata cristata

1,093Records since 2000
MayPeak month
46Counties with records

When it is recorded

Jan8
Feb3
Mar47
Apr156
May293
Jun182
Jul123
Aug55
Sep99
Oct51
Nov28
Dec33

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Norfolk England136
2City of Edinburgh Scotland93
3Somerset England79
4Suffolk England68
5Kent England47
6North Yorkshire England30
7Glasgow City Scotland25
8Cambridgeshire England23
9North Lanarkshire Scotland21
10Dumfries and Galloway Scotland20
11East Riding of Yorkshire England19
12Gloucestershire England18
13Isle of Anglesey Wales18
14Nottinghamshire England17
15Monmouthshire Wales13
808 England186 Scotland86 Wales3 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 46 counties in all.

About this species

Records since 2000
1,093
Peak month
May
Counties with records
46
Scientific name
Valvata cristata
Group
Molluscs
NBN Atlas records since 2000
1,083
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Family
Valvatidae
Genus
Valvata
Name with authority
Valvata cristata O.F.Müller, 1774
Described
1774
Contributing datasets
18

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3202953 · GBIF 4358714