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Chaetognatha of the North Atlantic

There are 46 species of Chaetognatha that are commonly found in the North 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 46 total species, 27 of these species (58%) have COI barcodes (from this or any ocean).
  • There are a total of 1176 "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 North Atlantic region):
  • Of the 46 total species, 0 of these species (0%) have North Atlantic-collected COI barcodes.
  • There are a total of 0 "North 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 46 total species in this region, 19 species do not have any COI barcodes (from any region).

     Barcoding progress summary for the North Atlantic region, out of a total of 46 possible species:
    • There are COI barcodes for 27 species ( 58% coverage ), of which 0 species have barcodes sampled inside this region ( 0% coverage ).
      •
    • There are 12S barcodes for 3 species ( 6% coverage ), of which 1 species have barcodes sampled inside this region ( 2% coverage ). 
    • There are 16S barcodes for 5 species ( 10% coverage ), of which 1 species have barcodes sampled inside this region ( 2% coverage ).
    • There are 18S barcodes for 20 species ( 43% coverage ), of which 1 species have barcodes sampled inside this region ( 2% coverage ).
    • There are 28S barcodes for 25 species ( 54% coverage ), of which 1 species have barcodes sampled inside this region ( 2% coverage ).
    MZGdb Data Download Options
    ---> CLICK HERE <---


    Change Region   [ World ] [ Arctic ] [ North Atlantic ] [ South Atlantic ] [ Southern Ocean ] [ Indian Ocean ] [ South Pacific ]
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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 North 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 crassa Species
    (1)    		 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
    T4002261

    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
      Archeterokrohnia palpifera Species
    (3)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4044290

    R:1:0:0:0
      Bathybelos typhlops Species
    (4)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4076938

    R:1:0:0:0
      Caecosagitta macrocephala Species
    (5)    		 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
      Calispadella alata Species
    (6)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4046292

    R:1:0:0:0
      Decipisagitta decipiens Species
    (7)    		 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
    (8)    		 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 bathyantarctica Species
    (9)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 40
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4011535

    R:1:0:0:0
      Eukrohnia bathypelagica Species
    (10)    		 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 calliops Species
    (11)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4051458

    R:1:0:0:0
      Eukrohnia fowleri Species
    (12)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 38
      12S = 0
      16S = 0
      18S = 0
      28S = 6
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4003621

    R:1:0:0:0
      Eukrohnia hamata Species
    (13)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 437
      12S = 0
      16S = 1
      18S = 2
      28S = 2
    		   COI = 3
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4000040

    R:1:0:0:0
      Eukrohnia proboscidea Species
    (14)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4051460

    R:1:0:0:0
      Ferosagitta ferox Species
    (15)    		 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
    (16)    		 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
    (17)    		 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
    (18)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 244
      12S = 0
      16S = 0
      18S = 9
      28S = 3
    		   COI = 40
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4000334

    R:1:0:0:0
      Flaccisagitta hexaptera Species
    (19)    		 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
    (20)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 0
      12S = 0
      16S = 1
      18S = 1
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4054023

    R:1:0:0:0
      Heterokrohnia discoveryi Species
    (21)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4054024

    R:1:0:0:0
      Heterokrohnia heterodonta Species
    (22)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4054025

    R:1:0:0:0
      Heterokrohnia mirabilis Species
    (23)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 1
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4012123

    R:1:0:0:0
      Heterokrohnia murina Species
    (24)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4054026

    R:1:0:0:0
      Krohnitta pacifica Species
    (25)    		 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
    (26)    		 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
    (27)    		 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 elegans Species
    (28)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 221
      12S = 32
      16S = 32
      18S = 32
      28S = 30
    		   COI = 139
      12S = 32
      16S = 32
      18S = 24
      28S = 27
    		 accepted
    T4000117

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

    R:1:0:0:0
      Parasagitta megalophthalma Species
    (30)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4062732

    R:1:0:0:0
      Parasagitta setosa Species
    (31)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 19
      12S = 11
      16S = 12
      18S = 24
      28S = 23
    		   COI = 18
      12S = 11
      16S = 12
      18S = 20
      28S = 20
    		 accepted
    T4003600

    R:1:0:0:0
      Parasagitta tenuis Species
    (32)    		 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
      Paraspadella schizoptera Species
    (33)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4062796

    R:1:0:0:0
      Pseudosagitta lyra Species
    (34)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 30
      12S = 0
      16S = 0
      18S = 9
      28S = 1
    		   COI = 11
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4001306

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

    R:1:0:0:0
      Pterosagitta draco Species
    (36)    		 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
    (37)    		 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
    (38)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 4
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 1
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4006603

    R:1:0:0:0
      Serratosagitta serratodentata Species
    (39)    		 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
    (40)    		 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 abyssicola Species
    (41)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4068410

    R:1:0:0:0
      Solidosagitta planctonis Species
    (42)    		 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
    (43)    		 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
      Spadella cephaloptera Species
    (44)    		 COI
    12S
    16S
    18S
    28S
    		   COI = 51
      12S = 6
      16S = 36
      18S = 11
      28S = 3
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4003316

    R:1:0:0:0
      Spadella xcalakensis Species
    (45)    		 No barcodes?   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		   COI = 0
      12S = 0
      16S = 0
      18S = 0
      28S = 0
    		 accepted
    T4068429

    R:1:0:0:0
      Zonosagitta bedoti Species
    (46)    		 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
    MZGdb Atlas [ database-version = v2025-m03-01 ];   html-date = 2025-May-05









    Mon May 5 10:10:48 PM EDT 2025