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Species · Molluscs

Depressed river mussel

Pseudanodonta complanata

338Records since 2000
SeptemberPeak month
18Counties with records
VulnerableIUCN Red List

When it is recorded

Jan7
Feb9
Mar14
Apr26
May48
Jun3
Jul11
Aug53
Sep69
Oct56
Nov35
Dec7

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

Where it is recorded

#CountyNationRecordsShare
1North Yorkshire England71
2York England54
3Oxfordshire England42
4Kent England31
5Herefordshire, County of England17
6Monmouthshire Wales13
7East Riding of Yorkshire England12
8Gloucestershire England9
9Norfolk England6
10Suffolk England4
11Surrey England4
12Northamptonshire England3
13Worcestershire England2
14Cheshire East England2
15Telford and Wrekin England2
325 England13 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 18 counties in all.

About this species

Records since 2000
338
Peak month
September
Counties with records
18
IUCN Red List
Vulnerable
Scientific name
Pseudanodonta complanata
Group
Molluscs
NBN Atlas records since 2000
338
Most recorded in
North Yorkshire, York
Conservation designations
Global Red List (JNCC), GB Red List (2001 IUCN criteria), Rare and scarce species, Biodiversity List – England, Biodiversity List – Wales, UK BAP priority species
Kingdom
Animalia
Phylum
Mollusca
Class
Bivalvia
Order
Unionida
Family
Unionidae
Genus
Pseudanodonta
Name with authority
Pseudanodonta complanata (Rossmässler, 1835)
Described
1835

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q3401195 · GBIF 4559545