Occurrence record: Malacology:C.624186

Preserved specimen of Glycymeris (Glycymeris) grayana (Dunker, 1857) | Gray's Bittersweet Clam recorded on 1969-03-09

API

Dataset

Data partner	OZCAM (Online Zoological Collections of Australian Museums) Provider
Data resource	Australian Museum provider for OZCAM
Institution code	Australian Museum Supplied institution code "AM"
Collection	Australian Museum Malacology Collection Supplied collection code "Malacology"
Catalog number	C.624186
Other catalog numbers	["ecatalogue.irn:10591325,urn:catalog:AM:Malacology:C.624186"]
Record type	Preserved specimen Supplied basis "PreservedSpecimen"
Identified by	Loch, Mr Ian W - Australian Museum - Malacology
Collector	W.F.Ponder & J.Voorwinde
License	CC-BY 3.0 (Au)
Degree of establishment	Dredged.
Presence/Absence	PRESENT
Sampling protocol	[Dredged.]
Date identified	2026-01-20

Event

Event ID	urn:australianmuseum.net.au:Events:10046215
Occurrence date	1969-03-09 Supplied date "1969-03-09/1969-03-09"
Sampling protocol	Dredged.
End day of year	68
Date precision	DAY
Start day of year	68

Taxonomy

Scientific name	Glycymeris (Glycymeris) grayana Supplied scientific name "Glycymeris grayana (Dunker, 1857)"
Identified to rank	species
Common name	Gray's Bittersweet Clam
Kingdom	Animalia
Phylum	Mollusca
Class	Bivalvia
Order	Arcida
Family	Glycymerididae
Genus	Glycymeris
Species	Glycymeris grayana
Name match metric	canonicalMatch
Accepted name	Glycymeris grayana (Dunker, 1857)
Scientific name authorship	(Dunker, 1857)
Name parse type	SCIENTIFIC
Name according to	(Dunker, 1857)

Geospatial

Country	Australia
State or Territory	New South Wales
Latitude	-33.816666 Supplied as: "-33.816666"
Longitude	151.26666 Supplied as: "151.26666"
Datum	EPSG:4326
Verbatim locality	Sydney, Middle Harbour, between Grotto & Dobroyd Pts, 300yds off Washaway Beach
Location remarks	[MAL# 263 C] Australia, New South Wales, Sydney, Middle Harbour, between Grotto & Dobroyd Pts, 300yds off Washaway Beach (33° 49' 00" S, 151° 16' 00" E) 09/03/1969 - 09/03/1969, W.F.Ponder & J.Voorwinde(Collector), Dredged.
Coordinate precision	Unknown
Coordinate uncertainty (in metres)	1000.0
Terrestrial	true
Verbatim latitude	33° 49' 00" S
Biome	TERRESTRIAL
Marine	false
Country Code	AU
Verbatim longitude	151° 16' 00" E

Additional properties

verbatim uncertainty	100m-1km

User flagged issues

Data quality tests

Test name	Result
Geodetic datum assumed WGS84	Warning
Show/Hide 94 passed properties
Ambiguous collection	Passed
Ambiguous institution	Passed
Basis of record badly formed	Passed
Collection match fuzzy	Passed
Collection not matched	Passed
CONTINENT_COORDINATE_MISMATCH	Passed
Continent country mismatch	Passed
Continent derived from coordinates	Passed
CONTINENT_DERIVED_FROM_COUNTRY	Passed
Continent invalid	Passed
Coordinates centre of country	Passed
Supplied coordinates centre of state	Passed
Coordinate invalid	Passed
Coordinates are out of range for species	Passed
Coordinates converted to WGS84	Passed
Decimal latitude/longitude conversion failed	Passed
Coordinate reprojection suspicious	Passed
Coordinate rounded	Passed
Coordinate uncertainty meters invalid	Passed
Coordinates dont match supplied country	Passed
Country inferred from coordinates	Passed
Country invalid	Passed
Country mismatch	Passed
Different owner institution	Passed
First of the century	Passed
First of the month	Passed
First of the year	Passed
Unrecognized geodetic datum	Passed
Georeferenced after occurrence date	Passed
Identified date invalid	Passed
Identified date unlikely	Passed
Identification date before occurrence date	Passed
Institution and Collection mismatch	Passed
Institution match fuzzy	Passed
Institution not matched	Passed
Interpretation error	Passed
Invalid scientific name	Passed
Location not supplied	Passed
Missing collection date	Passed
Modified date invalid	Passed
Modified date unlikely	Passed
Multimedia date invalid	Passed
Multimedia uri invalid	Passed
Name not supplied	Passed
Occurrence status inferred from basis of record	Passed
Occurrence status inferred from individual count	Passed
Occurrence status unparsable	Passed
Latitude is negated	Passed
Longitude is negated	Passed
Presumed swapped coordinate	Passed
Recorded date invalid	Passed
Recorded date mismatch	Passed
Recorded date unlikely	Passed
SCIENTIFIC_NAME_AND_ID_INCONSISTENT	Passed
Sensitivity report invalid	Passed
Sensitivity report not loadable	Passed
Coordinates dont match supplied state	Passed
Taxon affinity species	Passed
TAXON_CONCEPT_ID_NOT_FOUND	Passed
Taxon confer species	Passed
Taxon default match	Passed
Taxon error	Passed
Taxon excluded	Passed
Taxon excluded associated	Passed
Taxon homonym	Passed
Taxon indeterminate species	Passed
Taxon match aggregate	Passed
Taxon match fuzzy	Passed
Taxon match higher rank	Passed
TAXON_MATCH_NAME_AND_ID_AMBIGUOUS	Passed
Taxon match none	Passed
TAXON_MATCH_TAXON_CONCEPT_ID_IGNORED	Passed
Taxon misapplied	Passed
Taxon misapplied matched	Passed
Taxon parent child synonym	Passed
Taxon question species	Passed
Resource taxonomic scope mismatch	Passed
Taxon species plural	Passed
Coordinate precision and uncertainty transposed	Passed
Uncertainty not specified	Passed
Supplied country not recognised	Passed
Kingdom not recognised	Passed
Unrecognized collection code	Passed
Unrecognized institution code	Passed
Supplied coordinates are zero	Passed
Biosecurity issue	Passed
Suspected outlier	Passed
Geospatial issue	Passed
Habitat incorrect for species	Passed
Taxon misidentified	Passed
Taxonomic issue	Passed
Temporal issue	Passed
Other issue	Passed
Duplicate record	Passed
Show/Hide 7 missing properties
Missing geodetic datum	Missing
Missing georeferenced by	Missing
Missing georeference protocol	Missing
Missing georeference sources	Missing
Missing georeference verification status	Missing
Missing georeference date	Missing
Missing taxon rank	Missing
Show/Hide 22 tests that have not been run
Coordinate precision invalid	Unchecked (lack of data)
Footprint SRS invalid	Unchecked (lack of data)
Footprint WKT mismatch	Unchecked (lack of data)
Footprint WKT invalid	Unchecked (lack of data)
TAXON_MATCH_SCIENTIFIC_NAME_ID_IGNORED	Unchecked (lack of data)
TAXON_MATCH_TAXON_ID_IGNORED	Unchecked (lack of data)
SCIENTIFIC_NAME_ID_NOT_FOUND	Unchecked (lack of data)
TAXON_ID_NOT_FOUND	Unchecked (lack of data)
Depth value supplied in feet	Unchecked (lack of data)
Depth unlikely	Unchecked (lack of data)
Min and max depth reversed	Unchecked (lack of data)
Depth value non-numeric	Unchecked (lack of data)
Elevation unlikely	Unchecked (lack of data)
Min and max altitude reversed	Unchecked (lack of data)
Altitude value supplied in feet	Unchecked (lack of data)
Altitude value non-numeric	Unchecked (lack of data)
Type status invalid	Unchecked (lack of data)
References uri invalid	Unchecked (lack of data)
Individual count invalid	Unchecked (lack of data)
Individual count conflicts with occurrence status	Unchecked (lack of data)
Georeferenced date unlikely	Unchecked (lack of data)
Georeferenced date invalid	Unchecked (lack of data)

Additional political boundaries information

Area Management
Australian Coral Ecoregions	South-east Australia
CAPAD 2016 Marine	North Sydney Harbour
CAPAD 2018 Marine	North Sydney Harbour
CAPAD 2020 Marine	North Sydney Harbour
CAPAD 2022 - Marine (Collaborative Australian Protected Areas Database)	North Sydney Harbour
Hunter Analysis Mask	GER Hunter Analysis Mask
IMCRA v4.0 Meso-Scale Bioregions (Integrated Marine and Coastal Regionalisation of Australia)	Hawkesbury Shelf
IMCRA v4.0 Provincial Bioregions (Integrated Marine and Coastal Regionalisation of Australia)	Central Eastern Shelf Province
NRM Regions 2010	Sydney Metro
NRM Regions 2017	Greater Sydney
Natural Resource Management (NRM) Regions 2023	Greater Sydney
Area management
National Landcare Program Management Units 2018	Greater Sydney
Biodiversity
IMCRA 4 Regions	Central Eastern Shelf Province
IMCRA Meso-scale Bioregions	Hawkesbury Shelf
Indigenous
RATSIB (representative Aboriginal/Torres Strait Islander body) Areas 2024	New South Wales
Marine
States including coastal waters	New South Wales (including Coastal Waters)
Political
Electorates March 2025	Warringah
Local Government Areas PSMA 2018	UNINCORPORATED
NSW Local Land Services Regions	Greater Sydney
PSMA Commonwealth Electoral Boundaries (2018)	WARRINGAH
PSMA State Electoral Boundaries (2018)	MANLY
PSMA States (2016)	NEW SOUTH WALES

Environmental sampling for this location

Biodiversity
Occurrence Density	304704.0 frequency
Species Richness	13953.0 frequency
Climate
Precipitation - annual (Bio12)	1252.6666 mm
Precipitation - coldest quarter (Bio19)	275.33334 mm
Precipitation - driest period (Bio14)	15.166667 mm
Precipitation - driest quarter (Bio17)	226.66667 mm
Precipitation - seasonality (Bio15)	25.0 mm
Precipitation - warmest quarter (Bio18)	352.83334 mm
Precipitation - wettest period (Bio13)	34.166668 mm
Precipitation - wettest quarter (Bio16)	409.33334 mm
Radiation - annual mean (Bio20)	16.233334 MJ/m2/day
Radiation - seasonality (Bio23)	35.0
Radiation - warmest quarter (Bio26)	21.533333 MJ/m2/day
Temperature - annual mean (Bio01)	17.85 degrees C
Temperature - annual range (Bio07)	19.183334 degrees C
Temperature - coldest period min (Bio06)	7.5166664 degrees C
Temperature - coldest quarter mean (Bio11)	13.1 degrees C
Temperature - diurnal range mean (Bio02)	9.016666 degrees C
Temperature - driest quarter mean (Bio09)	14.366667 degrees C
Temperature - isothermality (Bio03)	0.47 %
Temperature - seasonality (Bio04)	1.2266667
Temperature - warmest period max (Bio05)	26.683334 degrees C
Temperature - warmest quarter (Bio10)	22.25 degrees C
Temperature - wettest quarter mean (Bio08)	20.716667 degrees C
WorldClim 2.1: Precipitation - annual	1320.0 mm
WorldClim 2.1: Precipitation - coldest quarter	292.0 mm
WorldClim 2.1: Precipitation - driest month	74.0 mm
WorldClim 2.1: Precipitation - driest quarter	243.0 mm
WorldClim 2.1: Precipitation - seasonality	25.362328 mm
WorldClim 2.1: Precipitation - warmest quarter	435.0 mm
WorldClim 2.1: Precipitation - wettest month	154.0 mm
WorldClim 2.1: Precipitation - wettest quarter	435.0 mm
WorldClim 2.1: Temperature - annual mean	17.495832 °C
WorldClim 2.1: Temperature - annual range	16.8 °C
WorldClim 2.1: Temperature - coldest month min	8.5 °C
WorldClim 2.1: Temperature - coldest quarter mean	13.083333 °C
WorldClim 2.1: Temperature - diurnal range mean	7.425 °C
WorldClim 2.1: Temperature - driest quarter mean	13.566667 °C
WorldClim 2.1: Temperature - isothermality	44.19643 %
WorldClim 2.1: Temperature - seasonality	341.4305
WorldClim 2.1: Temperature - warmest month max	25.3 °C
WorldClim 2.1: Temperature - warmest quarter mean	21.483334 °C
WorldClim 2.1: Temperature - wettest quarter mean	21.483334 °C
WorldClim: Temperature - isothermality	47.0 %
Substrate
Moisture Index - annual mean (Bio28)	0.83666664
Moisture Index - highest quarter mean (Bio32)	1.0

Group	Field Name	Original Value	Processed Value


Classification	Scientific name	Glycymeris grayana (Dunker, 1857)	Glycymeris (Glycymeris) grayana
	Match type		canonicalMatch
	Phylum id		https://biodiversity.org.au/afd/taxa/4fb59020-e4a8-4973-adca-a4f662c4645c
	Family id		https://biodiversity.org.au/afd/taxa/1ccf678b-d2ba-4e51-b285-831e79f7b6a0
	Taxon concept ID		https://biodiversity.org.au/afd/taxa/466c7899-8a80-4ee6-ae67-e85d5456fe9a
	Order		Arcida
	Taxon rank id		7000
	Accepted name usage	Glycymeris grayana (Dunker, 1857)
	Species id		https://biodiversity.org.au/afd/taxa/466c7899-8a80-4ee6-ae67-e85d5456fe9a
	Genus	Glycymeris	Glycymeris
	Left		61249
	Scientific name authorship		(Dunker, 1857)
	Taxon rank		species
	Genus id		https://biodiversity.org.au/afd/taxa/a1c17dc5-0feb-443e-8395-4c70c7482aff
	Name type		SCIENTIFIC
	Vernacular name		Gray's Bittersweet Clam
	Name according to	(Dunker, 1857)
	Order id		https://biodiversity.org.au/afd/taxa/887f14c1-4f39-4ca8-b8c4-019b6b28bdca
	Right		61249
	Kingdom		Animalia
	Specific epithet	grayana
	Class id		https://biodiversity.org.au/afd/taxa/d6ab0629-da3d-4e6a-8400-301515cb3f16
	Phylum	Mollusca	Mollusca
	Class	Bivalvia	Bivalvia
	Species		Glycymeris grayana
	Family		Glycymerididae
	Kingdom id		https://biodiversity.org.au/afd/taxa/4647863b-760d-4b59-aaa1-502c8cdf8d3c
Event	Event ID	urn:australianmuseum.net.au:Events:10046215
	Year		1969
	End day of year		68
	Month		3
	Date precision		DAY
	Start day of year		68
	Day		9
	Event date	1969-03-09/1969-03-09	1969-03-09
Identification	Date identified	2026-01-20	2026-01-20
Identification	Identified by	[Loch, Mr Ian W - Australian Museum - Malacology]
Occurrence	Degree of establishment	Dredged.
	Catalog number	C.624186
	Occurrence status		PRESENT
	Basis of record	PreservedSpecimen	PRESERVED_SPECIMEN
	Modified	2026-01-20	2026-01-20
	Collection code	Malacology
	Sampling protocol	[Dredged.]
	Institution code	AM
	Recorded by	W.F.Ponder & J.Voorwinde
	Other catalog numbers	[ecatalogue.irn:10591325,urn:catalog:AM:Malacology:C.624186]
Attribution	Data resource		Australian Museum provider for OZCAM
	Collection		Australian Museum Malacology Collection
	License		CC-BY 3.0 (Au)
	Data provider uid		dp20
	Provenance		Published dataset
	Data Resource ID	dr340	dr340
	Institution ID		in4
	Data partner		OZCAM (Online Zoological Collections of Australian Museums) Provider
	Institution		Australian Museum
	Data hub uid	[dh1]
	Collection ID		co114
Location	Country	Australia	Australia
	Decimal latitude	-33.816666	-33.816666
	Terrestrial	true	true
	Decimal longitude	151.26666	151.26666
	State province	New South Wales	New South Wales
	Verbatim locality	Sydney, Middle Harbour, between Grotto & Dobroyd Pts, 300yds off Washaway Beach
	Verbatim latitude	33° 49' 00" S
	Biome		TERRESTRIAL
	Coordinate uncertainty in meters	1000	1000.0
	Marine	false	false
	Location remarks	[MAL# 263 C] Australia, New South Wales, Sydney, Middle Harbour, between Grotto & Dobroyd Pts, 300yds off Washaway Beach (33° 49' 00" S, 151° 16' 00" E) 09/03/1969 - 09/03/1969, W.F.Ponder & J.Voorwinde(Collector), Dredged.
	Country code		AU
	Verbatim longitude	151° 16' 00" E
	Geodetic datum		EPSG:4326

Search Specimens

Occurrence record: Malacology:C.624186

Dataset

Event

Taxonomy

Geospatial

Additional properties

User flagged issues

Data quality tests

Additional political boundaries information

Environmental sampling for this location

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