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Chaetognatha of the South Atlantic

There are 31 species of Chaetognatha that are commonly found in the South Atlantic.

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 31 total species, 23 of these species (74%) have COI barcodes (from this or any ocean).
  • There are a total of 881 "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 South Atlantic region):
  • Of the 31 total species, 0 of these species (0%) have South Atlantic-collected COI barcodes.
  • There are a total of 0 "South Atlantic-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 31 total species in this region, 8 species do not have any COI barcodes (from any region).

    Barcoding progress summary for the South Atlantic region, out of a total of 31 possible species:
    • There are COI barcodes for 23 species ( 74% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).
    • There are 12S barcodes for 0 species ( 0% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ). 
    • There are 16S barcodes for 2 species ( 6% coverage ), of which 1 species have barcodes sampled inside this region ( 3% coverage ).
    • There are 18S barcodes for 20 species ( 64% coverage ), of which 1 species have barcodes sampled inside this region ( 3% coverage ).
    • There are 28S barcodes for 23 species ( 74% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).

    MZGdb Data Download Options
    ---> CLICK HERE <---



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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 South Atlantic
    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
      Aidanosagitta neglecta Species
    (1)
    COI
    12S
    16S
    18S
    28S
      COI = 12
      12S = 0
      16S = 0
      18S = 4
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4009831


    R:1:0:0:0
      Aidanosagitta regularis Species
    (2)
    COI
    12S
    16S
    18S
    28S
      COI = 10
      12S = 0
      16S = 0
      18S = 3
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4001308


    R:1:0:0:0
      Caecosagitta macrocephala Species
    (3)
    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
      Decipisagitta decipiens Species
    (4)
    COI
    12S
    16S
    18S
    28S
      COI = 2
      12S = 0
      16S = 0
      18S = 2
      28S = 1
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4049296


    R:1:0:0:0
      Decipisagitta sibogae Species
    (5)
    COI
    12S
    16S
    18S
    28S
      COI = 4
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4011121


    R:1:0:0:0
      Eukrohnia hamata Species
    (6)
    COI
    12S
    16S
    18S
    28S
      COI = 437
      12S = 0
      16S = 1
      18S = 2
      28S = 2
      COI = 29
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000040


    R:1:0:0:0
      Ferosagitta ferox Species
    (7)
    COI
    12S
    16S
    18S
    28S
      COI = 3
      12S = 0
      16S = 0
      18S = 6
      28S = 3
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000966


    R:1:0:0:0
      Ferosagitta hispida Species
    (8)
    No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4052242


    R:1:0:0:0
      Ferosagitta robusta Species
    (9)
    COI
    12S
    16S
    18S
    28S
      COI = 13
      12S = 0
      16S = 0
      18S = 0
      28S = 1
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4052244


    R:1:0:0:0
      Flaccisagitta enflata Species
    (10)
    COI
    12S
    16S
    18S
    28S
      COI = 244
      12S = 0
      16S = 0
      18S = 9
      28S = 3
      COI = 90
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000334


    R:1:0:0:0
      Flaccisagitta hexaptera Species
    (11)
    COI
    12S
    16S
    18S
    28S
      COI = 8
      12S = 0
      16S = 0
      18S = 8
      28S = 1
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000848


    R:1:0:0:0
      Heterokrohnia davidi Species
    (12)
    COI
    12S
    16S
    18S
    28S
      COI = 0
      12S = 0
      16S = 1
      18S = 1
      28S = 0
      COI = 0
      12S = 0
      16S = 1
      18S = 1
      28S = 0
    accepted
    T4054023


    R:1:0:0:0
      Krohnitta pacifica Species
    (13)
    No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000851


    R:1:0:0:0
      Krohnitta subtilis Species
    (14)
    COI
    12S
    16S
    18S
    28S
      COI = 7
      12S = 0
      16S = 0
      18S = 6
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000947


    R:1:0:0:0
      Mesosagitta minima Species
    (15)
    COI
    12S
    16S
    18S
    28S
      COI = 0
      12S = 0
      16S = 0
      18S = 4
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000852


    R:1:0:0:0
      Parasagitta friderici Species
    (16)
    COI
    12S
    16S
    18S
    28S
      COI = 6
      12S = 0
      16S = 0
      18S = 2
      28S = 2
      COI = 6
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4062731


    R:1:0:0:0
      Parasagitta tenuis Species
    (17)
    No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4062733


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


    R:1:0:0:0
      Pseudosagitta lyra Species
    (19)
    COI
    12S
    16S
    18S
    28S
      COI = 30
      12S = 0
      16S = 0
      18S = 9
      28S = 1
      COI = 3
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4001306


    R:1:0:0:0
      Pseudosagitta maxima Species
    (20)
    COI
    12S
    16S
    18S
    28S
      COI = 38
      12S = 0
      16S = 0
      18S = 0
      28S = 1
      COI = 11
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000254


    R:1:0:0:0
      Pterosagitta draco Species
    (21)
    COI
    12S
    16S
    18S
    28S
      COI = 9
      12S = 0
      16S = 0
      18S = 6
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000965


    R:1:0:0:0
      Sagitta bipunctata Species
    (22)
    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
      Sagitta helenae Species
    (23)
    COI
    12S
    16S
    18S
    28S
      COI = 4
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4006603


    R:1:0:0:0
      Serratosagitta pacifica Species
    (24)
    COI
    12S
    16S
    18S
    28S
      COI = 0
      12S = 0
      16S = 0
      18S = 6
      28S = 1
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4067833


    R:1:0:0:0
      Serratosagitta serratodentata Species
    (25)
    COI
    12S
    16S
    18S
    28S
      COI = 0
      12S = 0
      16S = 0
      18S = 6
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4000731


    R:1:0:0:0
      Serratosagitta tasmanica Species
    (26)
    COI
    12S
    16S
    18S
    28S
      COI = 0
      12S = 0
      16S = 0
      18S = 6
      28S = 2
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4003671


    R:1:0:0:0
      Solidosagitta marri Species
    (27)
    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
      Solidosagitta planctonis Species
    (28)
    COI
    12S
    16S
    18S
    28S
      COI = 3
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4014989


    R:1:0:0:0
      Solidosagitta zetesios Species
    (29)
    COI
    12S
    16S
    18S
    28S
      COI = 4
      12S = 0
      16S = 0
      18S = 0
      28S = 1
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4068412


    R:1:0:0:0
      Zonosagitta bedoti Species
    (30)
    COI
    12S
    16S
    18S
    28S
      COI = 36
      12S = 0
      16S = 0
      18S = 0
      28S = 15
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4071773


    R:1:0:0:0
      Zonosagitta pulchra Species
    (31)
    COI
    12S
    16S
    18S
    28S
      COI = 10
      12S = 0
      16S = 0
      18S = 0
      28S = 0
      COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    accepted
    T4015653


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









    Mon May 5 10:11:38 PM EDT 2025