Occurrence record: LC000053000A3SZW

Human observation of Crepidula fornicata (Linnaeus, 1758) | American Slipper Limpet recorded on 2025-02-08

API

Overview

Occurrence ID	LC000053000A3SZW
Basis of record	Human observation
Scientific name	Crepidula fornicata (Linnaeus, 1758) - American Slipper Limpet
Licence	CC-BY-NC
Record Date	2025-02-08 (Day)
Locality	Dinas dinlle
Location	Grid Reference: SH4356 Latitude: 53.0780802001014 Longitude: -4.3451500846983
Recorded by	Dee Thoms
Identified by	Dee Thoms
Identification verification status	Accepted - correct

Dataset

Data partner	Conchological Society of Great Britain & Ireland
Data resource	Conchological Society of Great Britain & Ireland: marine mollusc records
Bibliographic citation	Conchological Society of Great Britain & Ireland ([Insert year of download]), Conchological Society of Great Britain & Ireland: marine mollusc records. Occurrence dataset
Collection code	LC000053000A000J

Event

Occurrence date	2025-02-08
Sampling protocol	Field Observation
Date precision	Day
Event date	2025-02-08
Event ID	LC000053000A0G95

Taxonomy

Scientific name	Crepidula fornicata (Linnaeus, 1758)
Common name	American Slipper Limpet
Taxon rank	species
Name match metric	Taxon GUID match The match was based on the supplied taxon concept ID rather than the scientific name.
Species	Crepidula fornicata
Genus	Crepidula
Family	Calyptraeidae
Order	Littorinimorpha
Class	Gastropoda
Phylum	Mollusca
Kingdom	Animalia
Taxon ID	NBNSYS0000174750
Taxonomic issue	No issues
Habitat taxon	marine
Establishment means taxon	Non-native
Scientific name authorship	(Linnaeus, 1758)

Geospatial

Country	United Kingdom
State/Province	Wales
Locality	Dinas dinlle
Latitude (WGS84)	53.0780802001014
Longitude (WGS84)	-4.3451500846983
Geodetic datum	EPSG:4326 Supplied datum: "WGS84"
Coordinate precision	Unknown
Coordinate uncertainty in meters	100.0
Georeference verification status	Accepted
Grid size in meters	1000
Grid reference	SH4356

User flagged issues

Data quality tests

Test name	Result
Country inferred from coordinates	Warning
Grid reference calculated using latitude and longitude	Warning
Show/Hide 17 passed properties
Basis of record not supplied	Passed
Basis of record badly formed	Passed
Invalid collection date	Passed
Incomplete collection date	Passed
First of the month	Passed
Missing name of person who identified the specimen/observation	Passed
Data are generalised	Passed
Name not supplied	Passed
Name not recognised	Passed
Decimal coordinates not supplied	Passed
Geodetic datum assumed WGS84	Passed
Unrecognized geodetic datum	Passed
Zero latitude	Passed
Coordinate uncertainty not valid	Passed
Coordinate uncertainty not specified	Passed
Location not supplied	Passed
Missing geodetic datum	Passed
Show/Hide 1 missing properties
Missing catalogue number	Missing
Show/Hide 72 tests that have not been run
Coordinates dont match supplied state	Unchecked (lack of data)
Depth value supplied in feet	Unchecked (lack of data)
Altitude out of range	Unchecked (lack of data)
Unparseable verbatim coordinates	Unchecked (lack of data)
Day and month transposed	Unchecked (lack of data)
Invalid geodetic datum	Unchecked (lack of data)
Zero longitude	Unchecked (lack of data)
Media unrepresentative	Unchecked (lack of data)
Missing taxonomic rank	Unchecked (lack of data)
Homonym issues with supplied name	Unchecked (lack of data)
Coordinates are transposed	Unchecked (lack of data)
Coordinate precision and uncertainty transposed	Unchecked (lack of data)
First of the century	Unchecked (lack of data)
Media unrepresentative for taxon	Unchecked (lack of data)
Type status not recognised	Unchecked (lack of data)
Altitude value non-numeric	Unchecked (lack of data)
Possible duplicate record	Unchecked (lack of data)
Depth out of range	Unchecked (lack of data)
Coordinates converted to WGS84	Unchecked (lack of data)
Missing identification verification status	Unchecked (lack of data)
Missing name of person who georeferenced the occurrence	Unchecked (lack of data)
Unrecognised ID verification status	Unchecked (lack of data)
Habitat incorrect for species	Unchecked (lack of data)
Institution code not recognised	Unchecked (lack of data)
Name not in national checklists	Unchecked (lack of data)
Precision / range mismatch	Unchecked (lack of data)
Outside expert range for species	Unchecked (lack of data)
unrecognisedOccurrenceStatus	Unchecked (lack of data)
Coordinates dont match supplied country	Unchecked (lack of data)
Badly formed altitude	Unchecked (lack of data)
Collection code not recognised	Unchecked (lack of data)
Date precision invalid	Unchecked (lack of data)
Longitude is negated	Unchecked (lack of data)
Invalid scientific name	Unchecked (lack of data)
Unable to convert UTM coordinates	Unchecked (lack of data)
Coordinates converted from UTM	Unchecked (lack of data)
Latitude is negated	Unchecked (lack of data)
Supplied coordinates centre of state	Unchecked (lack of data)
Supplied coordinates are zero	Unchecked (lack of data)
Higher taxonomy missing	Unchecked (lack of data)
Missing georeferenced protocol	Unchecked (lack of data)
Missing georeferenced sources	Unchecked (lack of data)
Occurrence status assumed to be present	Unchecked (lack of data)
Coordinates derived from verbatim coordinates	Unchecked (lack of data)
Depth value non-numeric	Unchecked (lack of data)
Taxonomic issue	Unchecked (lack of data)
Coordinates are out of range for species	Unchecked (lack of data)
Resource taxonomic scope mismatch	Unchecked (lack of data)
Kingdom not recognised	Unchecked (lack of data)
Missing georeferenced verification status	Unchecked (lack of data)
Image URL invalid	Unchecked (lack of data)
First of the year	Unchecked (lack of data)
No collection date supplied	Unchecked (lack of data)
Min and max altitude reversed	Unchecked (lack of data)
Collector name unparseable	Unchecked (lack of data)
Supplied country not recognised	Unchecked (lack of data)
Coordinates centre of country	Unchecked (lack of data)
Coordinate precision not valid	Unchecked (lack of data)
Identification date before occurrence date	Unchecked (lack of data)
Missing georeference date	Unchecked (lack of data)
Missing an identification qualifier	Unchecked (lack of data)
coordinatesNotCentreOfGrid	Unchecked (lack of data)
Missing identification references	Unchecked (lack of data)
Missing identification date	Unchecked (lack of data)
Latitude Longitude calculated from grid reference	Unchecked (lack of data)
Min and max depth reversed	Unchecked (lack of data)
Missing coordinate precision	Unchecked (lack of data)
Suspected outlier	Unchecked (lack of data)
Decimal latitude/longitude conversion failed	Unchecked (lack of data)
Georeferenced after occurrence date	Unchecked (lack of data)
Cultivated / escapee	Unchecked (lack of data)
Altitude value supplied in feet	Unchecked (lack of data)

Additional political boundaries information

GB
Ordnance Survey Grids - 100km	SO
Ordnance Survey Grids - 10km	SO20
Ordnance Survey Grids - 50km	SOSW
Watsonian Vice Counties – 12 mile (GB)	Monmouthshire
Watsonian Vice Counties – 3 mile (GB)	Monmouthshire
UK
Countries with sea areas	Wales
Local Environmental Records Centre Boundaries of the UK	South East Wales Biodiversity Records Centre
UK, IoM, Channel Islands
Hexagonal grid for reporting - 10km	11781
Square grid for reporting - 10km	22967
Habitat mapping of the Southern Irish Sea (HABMAP Extension Project) (Wales)	SS.SCS.ICS.SLan

Group	Field Name	Original Value	Processed Value
Classification	Species		Crepidula fornicata
	Name match metric		taxonIdMatch
	Vernacular name	American Slipper Limpet	American Slipper Limpet
	Scientific name	Crepidula fornicata	Crepidula fornicata
	Class		Gastropoda
	Genus id		NBNSYS0000174749
	Taxon concept ID		NBNSYS0000174750
	Kingdom id		NBNSYS0100001342
	Left		109661
	Habitat taxon		marine
	Phylum		Mollusca
	Kingdom		Animalia
	Class id		NHMSYS0001702014
	Genus		Crepidula
	Phylum id		NBNSYS0000160443
	Order		Littorinimorpha
	Taxon rank		species
	Establishment means taxon		Non-native
	Order id		NHMSYS0021055423
	Taxonomic issue		["noIssue"]
	Species id		NBNSYS0000174750
	Family id		NHMSYS0021055425
	Taxon ID	NBNSYS0000174750
	Family		Calyptraeidae
	Taxon rank id		7000
	Scientific name authorship		(Linnaeus, 1758)
	Right		109661
Event	Date precision		Day
	Event date	2025-02-08	2025-02-08
	Year		2025
	Day		08
	Month		02
	Event ID	LC000053000A0G95
Identification	Abcd identification qualifier		Not provided
	Identification qualifier		Not provided
	Identification verification status	Accepted - correct	Accepted - correct
	Identified by	Dee Thoms
Occurrence	Occurrence ID	LC000053000A3SZW
	Basis of record	HumanObservation	HumanObservation
	Recorded by	Dee Thoms	Thoms, D. Dee
	Rights holder	Conchological Society of Great Britain & Ireland
	Sampling protocol	Field Observation
	Occurrence status	present	present
	Collection code	LC000053000A000J
Attribution	Data resource		Conchological Society of Great Britain & Ireland: marine mollusc records
	Data provider uid		dp117
	License	CC-BY-NC	CC-BY-NC
	Data Resource ID	dr756
	Data partner		Conchological Society of Great Britain & Ireland
Location	Decimal latitude	53.0780802001014	53.0780802001014
	Grid size in meters		1000
	Georeference verification status	Accepted	Accepted
	Coordinate uncertainty in meters	100	100.0
	Country		United Kingdom
	Grid reference		SH4356
	State province		Wales
	Decimal longitude	-4.3451500846983	-4.3451500846983
	Locality	Dinas dinlle	Dinas dinlle
	Geodetic datum	WGS84	EPSG:4326

Occurrence record: LC000053000A3SZW

Overview

Dataset

Event

Taxonomy

Geospatial

User flagged issues

Data quality tests

Additional political boundaries information

- flagged by