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Chaetognatha of the Arctic

There are 10 species of Chaetognatha that are commonly found in the Arctic.

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 10 total species, 10 of these species (100%) have COI barcodes (from this or any ocean).
  • There are a total of 700 "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 Arctic region):
  • Of the 10 total species, 0 of these species (0%) have Arctic-collected COI barcodes.
  • There are a total of 0 "Arctic-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 10 total species in this region, 0 species do not have any COI barcodes (from any region).

     Barcoding progress summary for the Arctic region, out of a total of 10 possible species:
    • There are COI barcodes for 10 species ( 100% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).
      •
    • There are 12S barcodes for 2 species ( 20% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ). 
    • There are 16S barcodes for 3 species ( 30% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).
    • There are 18S barcodes for 9 species ( 90% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).
    • There are 28S barcodes for 10 species ( 100% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).
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    Table Viewing Options   [ Species-only Summary, sorted by name (default) ]   or   [ Full Taxonomic Hierarchy ]   or   [ flat-text file of sorted species names ]


    Chaetognatha of the Arctic
    Taxa Name

    		Taxa
    Level    		Barcode
    Data?    		Number of
    Barcodes
    from
    any ocean    		Number of
    Barcodes
    from this region    		Barcode Locations and
    Species Occurence Map    		MZGdb Atlas
    v2025-m03-01

    2025-May-05
    Chaetognatha Phylum cummulative
    sub-totals
    ------->
    for this
    Phylum    		 Total Species:   10
    Sp. w/COI-Barcodes:  10

    Total COI-Barcodes:   846    		 Total Species:   10
    Sp. w/COI-Barcodes:  3

    Total COI-Barcodes:   156    		 accepted
    T4000017

    R:1:0:0:0
    ⋄   Sagittoidea Class cummulative
    sub-totals
    ------->
    for this
    Class    		 Total Species:   10
    Sp. w/COI-Barcodes:  10

    Total COI-Barcodes:   846    		 Total Species:   10
    Sp. w/COI-Barcodes:  3

    Total COI-Barcodes:   156    		 accepted
    T4003732

    R:1:0:0:0
    ⋄   ⋄   Aphragmophora Order cummulative
    sub-totals
    ------->
    for this
    Order    		 Total Species:   8
    Sp. w/COI-Barcodes:  8

    Total COI-Barcodes:   373    		 Total Species:   8
    Sp. w/COI-Barcodes:  2

    Total COI-Barcodes:   11    		 accepted
    T4023063

    R:1:0:0:0
    ⋄   ⋄   ⋄   Sagittidae Family cummulative
    sub-totals
    ------->
    for this
    Family    		 Total Species:   8
    Sp. w/COI-Barcodes:  8

    Total COI-Barcodes:   373    		 Total Species:   8
    Sp. w/COI-Barcodes:  2

    Total COI-Barcodes:   11    		 accepted
    T4002269

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Caecosagitta Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   1
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   55    		 Total Species:   1
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4007286

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Caecosagitta macrocephala Species
    (1)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 55
      12S = 0
      16S = 0
      18S = 108
      28S = 4
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4010422

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Parasagitta Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   2
    Sp. w/COI-Barcodes:  2

    Total COI-Barcodes:   240    		 Total Species:   2
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   1    		 accepted
    T4002266

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Parasagitta elegans Species
    (2)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 221
      12S = 32
      16S = 32
      18S = 32
      28S = 30
    		   COI = 1
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4000117

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Parasagitta setosa Species
    (3)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 19
      12S = 11
      16S = 12
      18S = 24
      28S = 23
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4003600

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Pseudosagitta Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   3
    Sp. w/COI-Barcodes:  3

    Total COI-Barcodes:   70    		 Total Species:   3
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   10    		 accepted
    T4002267

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Pseudosagitta gazellae Species
    (4)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 2
      12S = 0
      16S = 0
      18S = 3
      28S = 2
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4003740

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Pseudosagitta lyra Species
    (5)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 30
      12S = 0
      16S = 0
      18S = 9
      28S = 1
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4001306

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Pseudosagitta maxima Species
    (6)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 38
      12S = 0
      16S = 0
      18S = 0
      28S = 1
    		   COI = 10
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4000254

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Sagitta Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   1
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   5    		 Total Species:   1
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4000006

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Sagitta bipunctata Species
    (7)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 5
      12S = 0
      16S = 0
      18S = 3
      28S = 3
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4000836

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Solidosagitta Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   1
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   3    		 Total Species:   1
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4001830

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Solidosagitta marri Species
    (8)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 3
      12S = 0
      16S = 0
      18S = 4
      28S = 2
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4068411

    R:1:0:0:0
    ⋄   ⋄   Phragmophora Order cummulative
    sub-totals
    ------->
    for this
    Order    		 Total Species:   2
    Sp. w/COI-Barcodes:  2

    Total COI-Barcodes:   473    		 Total Species:   2
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   145    		 accepted
    T4023064

    R:1:0:0:0
    ⋄   ⋄   ⋄   Eukrohniidae Family cummulative
    sub-totals
    ------->
    for this
    Family    		 Total Species:   2
    Sp. w/COI-Barcodes:  2

    Total COI-Barcodes:   473    		 Total Species:   2
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   145    		 accepted
    T4002270

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Eukrohnia Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   2
    Sp. w/COI-Barcodes:  2

    Total COI-Barcodes:   473    		 Total Species:   2
    Sp. w/COI-Barcodes:  1

    Total COI-Barcodes:   145    		 accepted
    T4001114

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Eukrohnia bathypelagica Species
    (9)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 36
      12S = 0
      16S = 0
      18S = 2
      28S = 1
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4001113

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   ⋄   Eukrohnia hamata Species
    (10)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 437
      12S = 0
      16S = 1
      18S = 2
      28S = 2
    		   COI = 145
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4000040

    R:1:0:0:0
    ⋄   ⋄   ⋄   Heterokrohniidae Family cummulative
    sub-totals
    ------->
    for this
    Family    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4003518

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Heterokrohnia Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4003151

    R:1:0:0:0
    ⋄   ⋄   ⋄   Spadellidae Family cummulative
    sub-totals
    ------->
    for this
    Family    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4003314

    R:1:0:0:0
    ⋄   ⋄   ⋄   ⋄   Spadella Genus cummulative
    sub-totals
    ------->
    for this
    Genus    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 Total Species:   0
    Sp. w/COI-Barcodes:  0

    Total COI-Barcodes:   0    		 accepted
    T4003315

    R:1:0:0:0
    MZGdb Atlas [ database-version = v2025-m03-01 ];   html-date = 2025-May-05









    Mon May 5 10:10:23 PM EDT 2025