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Species · Molluscs

Great Ramshorn

Planorbarius corneus

2,449Records since 2000
MayPeak month
99Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan57
Feb60
Mar129
Apr327
May429
Jun357
Jul335
Aug208
Sep242
Oct132
Nov53
Dec74

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

Where it is recorded

#CountyNationRecordsShare
1Somerset England161
2Norfolk England150
3Suffolk England101
4Falkirk Scotland54
5Kent England52
6Worcestershire England50
7Cambridgeshire England45
8City of Edinburgh Scotland44
9West Lothian Scotland44
10Glasgow City Scotland42
11Doncaster England39
12Essex England38
13Surrey England37
14East Riding of Yorkshire England37
15Dumfries and Galloway Scotland36
1,865 England306 Scotland250 Wales21 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 99 counties in all.

About this species

Records since 2000
2,449
Peak month
May
Counties with records
99
IUCN Red List
Least Concern
Scientific name
Planorbarius corneus
Group
Molluscs
NBN Atlas records since 2000
2,235
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Family
Planorbidae
Genus
Planorbarius
Name with authority
Planorbarius corneus (Linnaeus, 1758)
Described
1758
Contributing datasets
26

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q598612 · GBIF 2290946