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Mollusca-Bivalvia of the World Oceans

There are 1583 species of Mollusca-Bivalvia that are commonly found in the World Oceans.

Information on the COI barcoding status of these species is presented in the table below.
MODE
A
All available COI barcodes for this taxa group (collected from any ocean and/or without geo-referencing):
  • Of the 1583 total species, 1063 of these species (67%) have COI barcodes (from this or any ocean).
  • There are a total of 34787 "any ocean" COI barcode records available for this ocean and taxa group.
  • All available taxa group COI barcodes will be included in the Mode A downloads.
  • MODE
    B
    Regional COI barcodes for this taxa group (includes only those collected in the World Oceans region):
  • Of the 1583 total species, 1063 of these species (67%) have World Oceans-collected COI barcodes.
  • There are a total of 34787 "World Oceans-collected" COI barcodes available for this taxa group.
  • In the map to the right, Red Stars show sampling locations of the COI barcodes in the Mode B download.
  • Uncoded
    Species
    Of the 1583 total species in this region, 520 species do not have any COI barcodes (from any region).

    Barcoding progress summary for the World Oceans region, out of a total of 1583 possible species:
    • There are COI barcodes for 1063 species ( 67% coverage ).
    • There are 12S barcodes for 363 species ( 22% coverage ). 
    • There are 16S barcodes for 843 species ( 53% coverage ).
    • There are 18S barcodes for 853 species ( 53% coverage ).
    • There are 28S barcodes for 922 species ( 58% coverage ).

    Change Region   [ World ] [ Arctic ] [ North Atlantic ] [ South Atlantic ] [ Southern Ocean ] [ Indian Ocean ] [ South Pacific ]
    [ North Pacific ] [ Baltic Sea ] [ Mediterranean Sea ] [ Australia subregion ]
    -----> Click here to go back to the Group Summary page. <-----


    Mollusca-Bivalvia of the World Oceans

    MZGdb DATA FILES

    Database-Version:   v2025-m03-01
    --->   Mode-A   <---

    COI barcodes = 34787
    12S barcodes = 1039
    16S barcodes = 7463
    18S barcodes = 2186
    28S barcodes = 2501
    Mode-B

    Not Applicable

    B = A for "world"
    Mode-C

    COI records = 43196
    12S records = 1214
    16S records = 8957
    18S records = 2847
    28S records = 3736
    Mode-D

    Not Applicable

    D = C for "world"
    FASTA file MZGdb fasta (mode-A)

    COI | 12S | 16S | 18S | 28S

    True "barcode" (species-only) data
    from ANY ocean
    (mode-A)
    MZGdb fasta (mode-B)

    not applicable
    MZGdb fasta (mode-C)

    COI | 12S | 16S | 18S | 28S

    Genus-spp and species data
    from ANY ocean
    (mode-C)
    MZGdb fasta (mode-D)

    not applicable
    Mothur-formatted
    Taxonomic Hierarchy file

    (paired with FASTA file above)
    MZGdb Mothur (mode-A)

    COI | 12S | 16S | 18S | 28S

    True "barcode" (species-only) data
    from ANY ocean
    (mode-A)
    MZGdb Mothur (mode-B)

    not applicable
    MZGdb Mothur (mode-C)

    COI | 12S | 16S | 18S | 28S

    Genus-spp and species data
    from ANY ocean
    (mode-C)
    MZGdb Mothur (mode-D)

    not applicable
    MZGdb v3.0

    "full format"

    go to
    Format Description
    CSV

    Excel-friendly full format
    comma-separated-values
    MZGdb CSV (mode-A)

    COI | 12S | 16S | 18S | 28S

    True "barcode" (species-only) data
    from ANY ocean
    (mode-A)
    MZGdb CSV (mode-B)

    not applicable
    MZGdb CSV (mode-C)

    COI | 12S | 16S | 18S | 28S

    Genus-spp and species data
    from ANY ocean
    (mode-C)
    MZGdb CSV (mode-D)

    not applicable
    PSV

    pipe-separated-values
    MZGdb PSV (mode-A)

    COI | 12S | 16S | 18S | 28S

    True "barcode" (species-only) data
    from ANY ocean
    (mode-A)
    MZGdb PSV (mode-B)

    not applicable
    MZGdb PSV (mode-C)

    COI | 12S | 16S | 18S | 28S

    Genus-spp and species data
    from ANY ocean
    (mode-C)
    MZGdb PSV (mode-D)

    not applicable


    MZGdb Atlas [ database-version = v2025-m03-01 ];   html-date = 2025-May-05









    Mon May 5 10:09:03 PM EDT 2025