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Species · Molluscs

Keeled Slug

Tandonia sowerbyi

606Records since 2000
SeptemberPeak month
65Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan14
Feb13
Mar35
Apr59
May66
Jun61
Jul56
Aug43
Sep106
Oct93
Nov29
Dec31

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

Where it is recorded

#CountyNationRecordsShare
1City of Edinburgh Scotland92
2Lincolnshire England39
3Gloucestershire England35
4East Lothian Scotland25
5Fife Scotland19
6Glasgow City Scotland17
7North Yorkshire England15
8Kent England14
9Cornwall England13
10Scottish Borders Scotland12
11Highland Scotland10
12Cambridgeshire England9
13Devon England9
14Nottinghamshire England9
15York England9
313 England235 Scotland51 Wales3 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 65 counties in all.

About this species

Records since 2000
606
Peak month
September
Counties with records
65
IUCN Red List
Least Concern
Scientific name
Tandonia sowerbyi
Group
Molluscs
NBN Atlas records since 2000
600
Most recorded in
City of Edinburgh
Conservation designations
GB Red List (2001 IUCN criteria)
Kingdom
Animalia
Phylum
Mollusca
Class
Gastropoda
Order
Stylommatophora
Family
Milacidae
Genus
Tandonia
Name with authority
Tandonia sowerbyi (A.Férussac, 1823)
Described
1823
Contributing datasets
12

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q7682480 · GBIF 4598226