| Scientific Name | TSN | Taxon Author | Common Name | Name Source | Usage | Reason (ITIS) | Taxon Rank |
|---|
| Acanthocephala | 64238 | | spiny-headed worms acantocéfalo | ITIS | valid | | Phylum |
| Annelida | 64357 | | annelids annélides Anelídeo minhoca sanguessuga | ITIS | valid | | Phylum |
| Arthropoda | 82696 | | Artrópode arthropodes arthropods | ITIS World Spider Catalog, AMNH | valid | | Phylum |
| Brachiopoda | 156755 | | bivalve coelomates lamp shells braquiópode brachiopodes | ITIS | valid | | Phylum |
| Calcarea | 999013388 | | | | public | mtsn | Phylum |
| Chaetognatha | 158650 | | arrow worms chatognato quetognato chétognates vers sagittaires chaetognaths | ITIS | valid | | Phylum |
| Chordata | 158852 | | cordés cordado chordates | ITIS | valid | | Phylum |
| Cnidaria | 48738 | Hatschek, 1888 | cnidarians coelenterates cnidaires coelentérés água viva anêmona caravela cnidario coral hidra | ITIS | valid | | Phylum |
| Ctenophora | 53856 | Eschscholtz, 1829 | comb jellies sea walnuts castanha do mar ctenóforo | ITIS | valid | | Phylum |
| Cycliophora | 563958 | Funch and Kristensen, 1995 | ciclióforo | ITIS | valid | | Phylum |
| Echinodermata | 156857 | Klein, 1734 | echinoderms échinodermes bolacha da praia equinoderma equinodermata estrela do mar ouriço do mar | ITIS | valid | | Phylum |
| Echiura | 154972 | Newby, 1940 | burrow worms echiuran worms bonellies échiuriens echiurans | ITIS | valid | | Phylum |
| Ectoprocta | 155470 | | briozoário bryozoa bryozoaires ectoproctes bryozoans ectoprocts moss animals | ITIS | valid | | Phylum |
| Entoprocta | 156732 | Nitsche, 1870 | entoprocto entoprocts | ITIS | valid | | Phylum |
| Gastrotricha | 57597 | Metschnikoff, 1865 | gastrotriches gastrótrico gastrotrichs | ITIS | valid | | Phylum |
| Gnathostomulida | 57405 | Sterrer, 1972 | gnatostomulídeo gnathostomulids | ITIS | valid | | Phylum |
| Hemichordata | 158616 | | hemichordates hemicordado | ITIS | valid | | Phylum |
| Kinorhyncha | 59467 | Reinhard, 1881 | kinorhynchs quinorrinco | ITIS | valid | | Phylum |
| Loricifera | 202425 | Kristensen, 1983 | loricifero loriciferans | ITIS | valid | | Phylum |
| Mollusca | 69458 | | mollusques molusco molluscs mollusks | ITIS SBMNH | valid | | Phylum |
| Myxozoa | 202430 | | ciliated protozoans | ITIS | valid | | Phylum |
| Nemata | 563956 | | nématodes vers ronds nemas nematodes roundworms threadworms | ITIS | valid | | Phylum |
| Nematoda | 999017055 | | | | public | mtsn | Phylum |
| Nematomorpha | 64183 | Vejdovsky, 1886 | gordian worms horsehair worms hair worms | ITIS | valid | | Phylum |
| Nemertea | 57411 | | proboscis worms ribbon worms némertes némertiens nemertea nemertíneo rhynchoela | ITIS | valid | | Phylum |
| Onychophora | 154431 | | velvet worms onychophorans | ITIS | valid | | Phylum |
| Orthonectida | 57409 | Giard, 1877 | orthonectids | ITIS | valid | | Phylum |
| Phorona | 999017316 | | | | public | mtsn | Phylum |
| Phoronida | 155456 | | phoronids foronida | ITIS | valid | | Phylum |
| Placozoa | 563955 | Grell, 1971 | | ITIS | valid | | Phylum |
| Platyhelminthes | 53963 | | flatworms plathelminthes platodes platelminte | ITIS | valid | | Phylum |
| Porifera | 46861 | Grant, 1836 | sponges éponges esponja porifero | ITIS | valid | | Phylum |
| Priapula | 563953 | | priápulo priapulans | ITIS | valid | | Phylum |
| Rhombozoa | 563954 | van Beneden, 1876 | rhombozoans | ITIS | valid | | Phylum |
| Rotifera | 58239 | Cuvier, 1817 | rotifers wheel animalcules rotifères rotífero | ITIS | valid | | Phylum |
| Silicea | 999013303 | | | | public | mtsn | Phylum |
| Sipuncula | 154520 | | peanut worms shore worms sipunculan worms sipúnculo shore worms sipunculiens | ITIS | valid | | Phylum |
| Tardigrada | 155166 | | tardigrades water bears tardigrades tardígrado | ITIS | valid | | Phylum |
