Marine Invertebrates of the Hawaiian Islands - Summary statistics for major taxa

Click on taxa to view checklist of entire group.  

Taxa Species % of Total
Phylum Ciliophora    
Order Foraminiferida 700+ 13.09
Phylum Porifera 122 2.28
Phylum Cnidaria 276 5.16
Class Hydrozoa 59 1.10
Class Anthozoa 200 3.74
Class Cubozoa 3 0.06
Class Scyphozoa 14 0.26
Phylum Ctenophora 8 0.15
Phylum Platyhelminthes 73 1.36
parasitic Platyhelminthes 550+ 10.28
Phylum Nemertea 10 0.19
Phylum Rotifera 3 0.06
Phylum Nematoda 59 1.10
Phylum Acanthocephala 1 0.02
Phylum Entoprocta 1 0.02
Phylum Annelida 383 7.16
Class Polychaeta 295 5.52
Class Oligochaeta 79 1.48
Class Hirudinida 9 0.17
Phylum Pogonophora 2 0.04
Phylum Sipuncula 17 0.32
Phylum Echiura 6 0.11
Phylum Mollusca 1329 24.85
Class Aplacophora 6 0.11
Class Gastropoda 1058 19.78
SubClass Prosobranchia 835 15.61
SubClass Opistobranchia 210 3.93
SubClass Pulmonata 9 0.17
Class Bivalvia 185 3.46
Class Cephalopoda 77 1.44
Phylum Tardigrada 26 0.49
Phylum Pentastomida 2 0.04
Phylum Arthropoda 1192 22.28
SubPhylum Cheliceriformes 16 0.30
Class Pycnogonida 15 0.28
SubPhylum Crustacea 1173 21.93
Class Branchiopoda 23 0.43
Class Maxillopoda 118 2.21
SubClass Cirripedia 35 0.65
SubClass Copepoda 83 1.55
Class Ostracoda 42 0.79
Class Malacostraca 990 18.51
SubClass Hoplocarida 18 0.34
Order Stomatopoda 18 0.34
SubClass Eumalacostraca 972 18.17
Order Mysidacea 20 0.37
Order Amphipoda 200 3.74
Order Isopoda 50 0.90
Order Tanaidacea 10 0.19
Order Cumacea 2 0.04
Order Euphausiacea 29 0.54
Order Decapoda 661 12.36
SubOrder Dendrobranchiata 48 0.90
SubOrder Pleocyemata 190 3.55
InfraOrder Stenopodidea 6 0.11
InfraOrder Caridea 184 3.44
SubOrder Reptantia 423 7.91
InfraOrder Astacidea 1 0.02
InfraOrder Thalassinidea 16 0.30
InfraOrder Palinuridea 22 0.41
InfraOrder Anomura 65 1.22
InfraOrder Brachyura 319 5.96
Phylum Phoronida 5 0.09
Phylum Ectoprocta 168 3.14
Phylum Brachiopoda 3 0.06
Phylum Echinodermata 313 5.85
Class Crinoidea 16 0.30
Class Asteroidea 93 1.74
Class Ophiuroidea 62 1.16
Class Echinoidea 84 1.57
Class Holothuriodea 58 1.08
Phylum Chaetognatha 9 0.17
Phylum Hemichordata 2 0.04
Phylum Chordata 77 1.44
SubPhylum Urochordata 74 1.38
Class Ascidiacea 70 1.31
Class Thaliacea 2 0.04
Class Appendicularia 2 0.04
SubPhylum Cephalochordata 3 0.06
Total* 5349  
*The checklist database includes 4099 species. The "Total" number of species listed here includes estimated numbers of Foraminiferida (700+) and parasitic Platyhelminthes (550+). These two groups are not yet included in the checklist database.

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Revised 29 January 2001 by rcd