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Occurrence record: Malacology:C.19427

PreservedSpecimen of Pinna bicolor | Common Razor Clam recorded on 1903


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 code Australian Museum Malacology Collection
Catalog number C.19427
Other catalog numbers ecatalogue.irn:10453803; urn:catalog:AM:Malacology:C.19427
Occurrence ID
Basis of record Preserved specimen
Identified date 1961
Type status holotype
Supplied as "Holotype: Pinna scapula Hedley, 1924 : Pinnidae : : Bivalvia : Mollusca"
Associated Occurrence Status Representative record
Associated occurrences This record has 2 inferred associated occurrences
For more information see Inferred associated occurrence details
License CC-BY 3.0 (Au)
State conservation Northern Territory: (not listed)
Occurrence status present
Collection code Malacology
Abcd identification qualifier Not provided
Date identified 1961
Identification remarks ecatalogue.IdeConfidence: "Expert"; ecatalogue.IdeSpecimenQuality: "Good"; ecatalogue.IdeComments: "id extracted from texpress reg db. entered by: ianl 15/Aug/2003";


Identification remarks ecatalogue.IdeConfidence: "Expert"; ecatalogue.IdeSpecimenQuality: "Good"; ecatalogue.IdeComments: "id extracted from texpress reg db. entered by: ianl 15/Aug/2003";
Collecting date 1903
Date precision Day
Event ID


Scientific name Pinna bicolor
Supplied scientific name "Pinna bicolor Gmelin, 1791"
Taxon rank species
Common name Common Razor Clam
Kingdom Animalia
Phylum Mollusca
Class Bivalvia
Order Ostreida
Family Pinnidae
Genus Pinna
Species Pinna bicolor
Taxonomic issue No issues
Name match metric Exact match
The supplied name matched the name exactly.
Name parse type wellformed
Name according to Gmelin, 1791
Accepted name usage Pinna bicolor Gmelin, 1791


Country Australia
State / Province Northern Territory
Latitude -12.466
Longitude 130.833
Geodetic datum EPSG:4326
Verbatim locality Port Darwin
Location remarks ecatalogue.LocCollectionEventLocal: "[MAL# 4375 C] Australia, Northern Territory, Port Darwin (12° 28' 00" S, 130° 50' 00" E) 1903 - 1903, Christie, H. W.(Collector), Field Collected - Aquatic";
Coordinate precision 0.001
Coordinate uncertainty in meters 1000.0
Biome Marine
Verbatim longitude 130° 50' 0" E
Verbatim latitude 12° 28' 0" S

Additional properties

dcterms:modified 2016/3/30
dcterms:type PhysicalObject
verbatim uncertainty 100m-1km

User flagged issues 

User Assertion Status:

    Data quality tests

    Test name Result
    Incomplete collection date Warning
    Occurrence status assumed to be present Warning
    Geodetic datum assumed WGS84 Warning
    Basis of record not supplied Passed
    Basis of record badly formed Passed
    Invalid collection date Passed
    Identification date before occurrence date Passed
    First of the month Passed
    Missing identification date Passed
    Missing catalogue number Passed
    Data are generalised Passed
    Collection code not recognised Passed
    Institution code not recognised Passed
    Name not supplied Passed
    Name not recognised Passed
    Resource taxonomic scope mismatch Passed
    Invalid scientific name Passed
    Name not in national checklists Passed
    Decimal coordinates not supplied Passed
    Coordinates are transposed Passed
    Coordinates are out of range for species Passed
    Supplied coordinates are zero Passed
    Zero latitude Passed
    Zero longitude Passed
    Supplied country not recognised Passed
    Coordinate uncertainty not valid Passed
    Missing coordinate precision Passed
    Precision / range mismatch Passed
    Coordinate precision not valid Passed
    Coordinate uncertainty not specified Passed
    Location not supplied Passed
    Country inferred from coordinates Passed
    Supplied coordinates centre of state Passed
    Coordinates centre of country Passed
    Missing geodetic datum Passed
    Coordinates dont match supplied state Passed
    Habitat incorrect for species Passed
    Type status not recognised Passed
    Show/Hide 9 missing properties
    Show/Hide 39 tests that have not been run

    Outlier information  

    This record has been detected as an outlier using the Reverse Jackknife algorithm for the following layers:

    More information on the data quality work being undertaken by the Atlas is available here:

    Inferred associated occurrence details

    This record has been identified as the representative occurrence in a group of associated occurrences. This mean other records have been detected that seem to relate to this record and this particular record has the most detailed information on the occurrence. More information about the duplication detection methods and terminology in use is available here:

    Additional political boundaries information

    Area Management
    Australian Coral Ecoregions Darwin
    Australian Tropical Savanna Australian Tropical Savanna
    NRM Regions 2010 Northern Territory
    NRM Regions 2014 Northern Territory
    NRM Regions 2015 Northern Territory
    NRM Regions 2017 Northern Territory
    NRM Regions 2017 (Qld 2019) Northern Territory
    Area management
    National Landcare Program Management Units 2018 Northern Territory
    IMCRA 4 Regions Northwest Shelf Transition
    IMCRA Meso-scale Bioregions Anson Beagle
    World Anthropogenic Biomes (2000) Mixed settlements
    Agroclimatic classification of Australia Strongly developed wet and dry seasons with plant growth determined by moisture availability
    FAO Fishery Statistical Areas 71
    Geomorphology of the Australian Margin and adjacent seafloor Shelf
    Global Seagrass Species Richness (2003) 12.00000000
    Marine Ecoregions of the World Bonaparte Coast
    States including coastal waters Northern Territory (including Coastal Waters)
    PSMA Localities (2018) DARWIN HARBOUR
    PSMA State Electoral Boundaries (2016) PORT DARWIN
    PSMA State Electoral Boundaries (2018) PORT DARWIN

    Environmental sampling for this location

    Area Management
    Natural resource management expenditure 1.0309905E7 $
    Acacia – Miller et al 2012 - 0.5 degree 0.6496
    Amphibians (global) – Pyron & Wiens 2011 - 0.5 degree 3.3829
    Endemism 0.077611886
    Endemism (Non-marine) 0.09565061
    Mammals – Fritz et al 2009 - 0.5 degree 0.4263
    Migratory species (2008) 24.0 frequency
    Occurrence Density 135941.0 frequency
    Shannon Diversity (H) 6.4093175 index
    Species Richness 7490.0 frequency
    Threatened communities (2008) 0.0 frequency
    Threatened species (2008) 6.0 frequency
    2030A1BMk35M: Aridity index - annual mean 0.7178575
    2030A1BMk35M: Aridity index - month max 2.4376676
    2030A1BMk35M: Aridity index - month min 0.0
    2030A1BMk35M: Evaporation - annual mean 208.01683 mm
    2030A1BMk35M: Evaporation - month max 249.32625 mm
    2030A1BMk35M: Evaporation - month min 157.36626 mm
    2030A1BMk35M: Growth index C3 macrotherm plants - annual mean 0.43875 index
    2030A1BMk35M: Growth index C3 mesotherm plants - annual mean 0.08 index
    2030A1BMk35M: Growth index C4 megatherm plants - annual mean 0.43 index
    2030A1BMk35M: Humidity - annual mean relative 3pm 66.62923 %
    2030A1BMk35M: Humidity - month max relative 3pm 79.8789 %
    2030A1BMk35M: Humidity - month min relative 3pm 57.04857 %
    2030A1BMk35M: Precipitation - annual mean 133.03062 mm
    2030A1BMk35M: Precipitation - driest month 0.0 mm
    2030A1BMk35M: Precipitation - equinox seasonality ratio 0.40492627
    2030A1BMk35M: Precipitation - max difference between successive months 7.3756046 mm/day
    2030A1BMk35M: Precipitation - min difference between successive months -6.901834 mm/day
    2030A1BMk35M: Precipitation - solstice seasonality ratio 212.1733
    2030A1BMk35M: Precipitation - spring or autumn season -1.4607992
    2030A1BMk35M: Precipitation - summer or winter season 174.65392
    2030A1BMk35M: Precipitation - wettest month 451.27625 mm
    2030A1BMk35M: Precipitation deficit - annual mean -74.9862 mm
    2030A1BMk35M: Precipitation deficit - month max -221.76625 mm
    2030A1BMk35M: Precipitation deficit - month min 266.15 mm
    2030A1BMk35M: Radiation - max month precipitation modified 24.785 MJ/m2/day
    2030A1BMk35M: Radiation - mean annual precipitation modified 21.341562 MJ/m2/day
    2030A1BMk35M: Radiation - min month precipitation modified 18.78 MJ/m2/day
    2030A1BMk35M: Temperature - annual max mean 32.865623 degrees C
    2030A1BMk35M: Temperature - annual min mean 24.14021 degrees C
    2030A1BMk35M: Temperature - annual range 14.122498 degrees C
    2030A1BMk35M: Temperature - coldest month min 20.1775 degrees C
    2030A1BMk35M: Temperature - coolest month max 31.14 degrees C
    2030A1BMk35M: Temperature - max difference in max 1.3012695 degrees C/day
    2030A1BMk35M: Temperature - max difference in min 2.446228 degrees C/day
    2030A1BMk35M: Temperature - max month diurnal range 10.962494 degrees C
    2030A1BMk35M: Temperature - mean annual diurnal range 8.72541 degrees C
    2030A1BMk35M: Temperature - min difference in max -1.4637451 degrees C/day
    2030A1BMk35M: Temperature - min difference in min -2.5162354 degrees C/day
    2030A1BMk35M: Temperature - min month diurnal range 6.47876 degrees C
    2030A1BMk35M: Temperature - month hottest maximum 34.3 degrees C
    2030A1BMk35M: Temperature - warmest month min 26.315 degrees C
    Precipitation - annual (Bio12) 1715.0 mm
    Precipitation - autumn 395.0 mm
    Precipitation - autumn reliability 26.0 %
    Precipitation - coldest quarter (Bio19) 8.0 mm
    Precipitation - driest period (Bio14) 0.0 mm
    Precipitation - driest quarter (Bio17) 7.2 mm
    Precipitation - seasonality (Bio15) 111.0 mm
    Precipitation - spring 205.0 mm
    Precipitation - spring reliability 40.0 %
    Precipitation - summer 948.0 mm
    Precipitation - summer reliability 68.0 %
    Precipitation - warmest quarter (Bio18) 441.6 mm
    Precipitation - wettest period (Bio13) 111.8 mm
    Precipitation - wettest quarter (Bio16) 1155.4 mm
    Precipitation - winter 6.0 mm
    Precipitation - winter reliability 0.0 %
    Precipitation deficit - annual mean -54.891773 mm
    Precipitation deficit - month max -202.57396 mm
    Radiation - annual mean (Bio20) 21.2 MJ/m2/day
    Radiation - coldest quarter (Bio27) 20.0 MJ/m2/day
    Radiation - driest quarter (Bio25) 19.7 MJ/m2/day
    Radiation - highest period (Bio21) 23.96 MJ/m2/day
    Radiation - lowest period (Bio22) 18.6 MJ/m2/day
    Radiation - seasonality (Bio23) 8.0
    Radiation - warmest quarter (Bio26) 22.9 MJ/m2/day
    Radiation - wettest quarter (Bio24) 20.3 MJ/m2/day
    Temperature - annual mean (Bio01) 27.7 degrees C
    Temperature - annual range (Bio07) 14.26 degrees C
    Temperature - coldest period min (Bio06) 19.24 degrees C
    Temperature - coldest quarter mean (Bio11) 25.4 degrees C
    Temperature - diurnal range mean (Bio02) 8.7 degrees C
    Temperature - driest quarter mean (Bio09) 25.42 degrees C
    Temperature - isothermality (Bio03) 0.61 %
    Temperature - seasonality (Bio04) 0.5
    Temperature - warmest period max (Bio05) 33.5 degrees C
    Temperature - warmest quarter (Bio10) 29.24 degrees C
    Temperature - wettest quarter mean (Bio08) 28.3 degrees C
    Wind run - annual mean 190.17351 km/day
    Wind run - month max 226.69609 km/day
    Wind run - month min 157.54347 km/day
    Wind speed - annual mean 3pm 4.2833333 m/s
    Wind speed - annual mean 9am 3.0583334 m/s
    Wind speed - annual mean 9am or 3pm 4.45 m/s
    Wind speed - month max 3pm 4.7 m/s
    Wind speed - month max 9am 4.2 m/s
    Wind speed - month max 9am or 3pm 4.7 m/s
    Wind speed - month min 3pm 3.7 m/s
    Wind speed - month min 9am 2.1 m/s
    Wind speed - month min 9am or 3pm 2.1 m/s
    Distance - to any water (weighted) 0.13416408 degrees
    Distance - to coast 0.0 km x 100
    Distance - to non-permanent water (weighted) 0.54744864 degrees
    Distance - to permanent water (weighted) 0.13416408 km
    Euclidean Distance to Coast (metres) 13313.349 m
    Remoteness index 3.0
    Water Observations From Space 0.0 Percentage
    GEOMACS - geometric mean 0.063707 Pascals
    Sea Surface Temperature - MODIS Terra 28.729345 Degrees C
    SeaWIFS K490 Mean 0.21003312 Kd@490nm/m^2
    SeaWiFS Chlorophyll Mean 3.160935 mg/m^3
    Disadvantaged 1112.8801 points (mean=1000)
    2030A1BMk35M: Crop factor - annual mean 0.44194978
    2030A1BMk35M: Crop factor - month max 0.90000004
    2030A1BMk35M: Crop factor - month min 0.0
    2030A1BMk35M: Water deficit - month max 150.47762 mm
    2030A1BMk35M: Water deficit - month mean 36.41572 mm
    2030A1BMk35M: Water deficit - month min 0.0 mm
    2030A1BMk35M: Water potential - annual mean -1.0223522 MPa
    2030A1BMk35M: Water potential - month max -2.8643754E-14 MPa
    2030A1BMk35M: Water potential - month min -1.5 MPa
    2030A1BMk35M: Water stress index - annual mean 39.77548
    2030A1BMk35M: Water stress index - month max 81.0
    2030A1BMk35M: Water stress index - month min 0.0
    2030A1BMk35M: Water surplus - annual mean 47.969494 mm
    2030A1BMk35M: Water surplus - month max 234.62845 mm
    2030A1BMk35M: Water surplus - month min 0.0 mm
    Bouguer gravity anomalies 412.6485 Gal
    Bulk density 1.1920834 Mg/m^3
    Calcrete 0.0 presence
    Carbon - organic -10041.509 %
    Carbon store pre-European 14.70522 kgC/ha
    Clay % 22.7625 %
    Erosional surfaces - proportion 0.0 %
    Erosivity 14168.0 MJ mm/ha/hr
    Hydrologic conductivity - average saturated 51.5 mm/h
    Hydrological conductivity - uncertainty 20.0
    Lithology - age range 116.92 my
    Lithology - fertility 4.75 index
    Lithology - mean age 847.04 my
    Lithology - mean age (log) 2.5789113 log my
    Lithology - mean age range (log) 1.8293254 log my
    Magnetic anomalies -33.0 nT
    Moisture Index - annual mean (Bio28) 0.52
    Moisture Index - coldest quarter mean (Bio35) 0.02
    Moisture Index - highest period (Bio29) 1.0
    Moisture Index - highest quarter mean (Bio32) 1.0
    Moisture Index - lowest period (Bio30) 0.0
    Moisture Index - lowest quarter mean (Bio33) 0.02
    Moisture Index - seasonality (Bio31) 82.0
    Moisture Index - warmest quarter mean (Bio34) 0.54
    Nitrogen - plant-available pre-European 1250.863 kgN/ha
    Nitrogen concentration pre-European 17.7349 mgN kg/H2O
    Nitrogen store pre-European 19.06031 kgN/ha
    Nutrient status 1.0 index
    Pedality hydrological score 2.125
    Phosphorus - plant-available pre-European 3.40254 kgP/ha
    Phosphorus - plant-available total pre-European 526.3777 kgP/ha
    Phosphorus pre-European 3.165935 mgP kg/H2O
    Soil depth 0.5 m
    Soil pedality 2.125
    Soils - coarse 0.0 class
    Substrate data reliability 2.0
    Topographic wetness index 1.56925
    Unreliable water retention parameters 20.0
    Water holding capacity 44000.0 mm
    Water holding capacity - plant-available 64.0 mm
    Weathering Intensity V2 4.98377 Weathering Intensity Index
    Aspect 316.0 degrees
    Averaged Topographic Relief 63.375 metres
    Bathymetry and Topography 9 sec -2.0 m
    Elevation 20.0 m
    Ridge top flatness 0.0
    Ridge top flatness - proportion 0.0 %
    Slope length 1000.0 m
    Topographic Slope (degrees) 0.96045303 degrees
    Topographic relief 43.1887 m
    Topographic roughness 37.98689 %
    Topographic slope (%) 3.05041 %
    Valley bottom % 0.0 %
    Valley bottom flatness index 0.0
    Fraction of Photosynthetically Active Radiation (fPAR) 16.0 %
    Gross Primary Productivity (2012-03-13) 0.0025 kg C/m^2
    Leaf Area Index (LAI) - 2012-03-05 0.4 m^2 plant / m^2 ground
    NPP Mean 0.0 tonnes/ha/yr