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OZCAM (Online Zoo-log-i-cal Col-lec-tions of Aus-tralian Muse-ums) pro-vides access to an online data-base of records aggre-gated from fau-nal col-lec-tions data-bases in Aus-tralian museums.

Occurrence record: Malacology:C.96542

Preserved specimen of Alcyna acia Cotton, 1948 | Tread Top Shell recorded on 1944-01


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.96542
Other catalog numbers ["ecatalogue.irn:10448244","urn:catalog:AM:Malacology:C.96542"]
Occurrence ID
Record type Preserved specimen
Supplied basis "PreservedSpecimen"
Identified by Jansen, P.  
Collector Whitley, G.P.  
Supplied as "Whitley, G. P."
License CC-BY 3.0 (Au)
Presence/Absence PRESENT
Date identified 1992
Identification remarks ecatalogue.IdeConfidence: "Curatorial"; ecatalogue.IdeSpecimenQuality: "Poor"; ecatalogue.IdeComments: "id extracted from texpress reg db. entered by: ianl 13/Jan/2006";


Event ID
Identification remarks ecatalogue.IdeConfidence: "Curatorial"; ecatalogue.IdeSpecimenQuality: "Poor"; ecatalogue.IdeComments: "id extracted from texpress reg db. entered by: ianl 13/Jan/2006";
Occurrence date [date not supplied] Year: 1944, Month: 1, Day:
Supplied date "1944-01"
Date precision MONTH


Scientific name Alcyna acia
Supplied scientific name "Alcyna acia Cotton, 1948"
Identified to rank species
Common name Tread Top Shell
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Family Trochidae
Genus Alcyna
Species Alcyna acia
Name match metric exactMatch
Accepted name Alcyna acia Cotton, 1948
Scientific name authorship Cotton, 1948
Name parse type SCIENTIFIC
Name according to Cotton, 1948


Country Australia
State or Territory Western Australia
Latitude -33.916
Supplied as: "-33.916"
Longitude 121.8
Supplied as: "121.8"
Datum EPSG:4326
Verbatim locality E of Observatory Point, Recherche Archipelago
Location remarks ecatalogue.LocCollectionEventLocal: "[MAL# 806 C] Australia, Western Australia, E of Observatory Point, Recherche Archipelago (33° 55' 00" S, 121° 48' 00" E) /01/1944 - /01/1944, Whitley, G P(Collector)";
Coordinate precision 0.001
Coordinate uncertainty (in metres) 10000.0
Terrestrial true
Verbatim latitude 33° 55' 0" S
Marine false
Country Code AU
Verbatim longitude 121° 48' 0" E

Additional properties

dcterms:modified 2015/12/22
dcterms:type PhysicalObject
dcterms modified 2015/12/22
dcterms type PhysicalObject
verbatim uncertainty 1km-10km

User flagged issues 

    Data quality tests

    Test name Result
    First of the year Warning
    Geodetic datum assumed WGS84 Warning
    Show/Hide 92 passed properties
    Show/Hide 7 missing properties
    Show/Hide 23 tests that have not been run

    Additional political boundaries information

    Area Management
    Australian Coral Ecoregions Recherche Archipelago
    NRM Regions 2010 South Coast
    NRM Regions 2017 South Coast Region
    Area management
    National Landcare Program Management Units 2018 South Coast Region
    IMCRA 4 Regions Southwest Shelf Province
    IMCRA Meso-scale Bioregions WA South Coast
    States including coastal waters Western Australia (including Coastal Waters)
    Local Government Areas PSMA 2018 SHIRE OF ESPERANCE

    Environmental sampling for this location

    Occurrence Density 1871.0 frequency
    Species Richness 383.0 frequency
    Precipitation - annual (Bio12) 631.3333 mm
    Precipitation - coldest quarter (Bio19) 273.33334 mm
    Precipitation - driest period (Bio14) 4.0 mm
    Precipitation - driest quarter (Bio17) 69.0 mm
    Precipitation - seasonality (Bio15) 54.333332 mm
    Precipitation - warmest quarter (Bio18) 77.0 mm
    Precipitation - wettest period (Bio13) 25.0 mm
    Precipitation - wettest quarter (Bio16) 276.66666 mm
    Radiation - annual mean (Bio20) 17.1 MJ/m2/day
    Radiation - seasonality (Bio23) 40.0
    Radiation - warmest quarter (Bio26) 23.4 MJ/m2/day
    Temperature - annual mean (Bio01) 16.566668 degrees C
    Temperature - annual range (Bio07) 18.733334 degrees C
    Temperature - coldest period min (Bio06) 7.5 degrees C
    Temperature - coldest quarter mean (Bio11) 12.733334 degrees C
    Temperature - diurnal range mean (Bio02) 10.2 degrees C
    Temperature - driest quarter mean (Bio09) 19.833332 degrees C
    Temperature - isothermality (Bio03) 0.54333335 %
    Temperature - seasonality (Bio04) 1.0566666
    Temperature - warmest period max (Bio05) 26.266666 degrees C
    Temperature - warmest quarter (Bio10) 20.466667 degrees C
    Temperature - wettest quarter mean (Bio08) 12.933333 degrees C
    Moisture Index - annual mean (Bio28) 0.48
    Moisture Index - highest quarter mean (Bio32) 0.95