Brazilian 28 absent Metazoa canonic lineages are (1) Xenoturbellida, (2) Nemertodermatida, (3) Filospermoidea, (4) Seisonida, (5) Orthonectida, (6) Rhomboza/Dicyemida, (7) Craniida, (8) Phoronopsis, (9) Monoplacophora, (10) Meiopriapulomorpha, (11) Peripatopsidae, (12) Rhabdopleurida, (13) Asymmetron, (14) Epigonichthys, (15) Hoilungia, (16) Polyplacotoma, (17) Polypodiozoa, (18) Micrognathozoa, (19) Gnosonesimida, (20) Haplopharyngida, (21) Cycliophora, (22) Loxokalypodida, (23) Mesotardigrada, (24) Remipedia, (25) Petromyzontii, (26) Cladistii, (27) Coelacantha and (28) Rhynchocephalia (Brazilian Metazoa, 2023).
Nine are monotypics., three are diotypics (Coelacantha 1:1/2 Loxokalypodida 1:1/2 and Cycliophora 1:1/2) and remaining from 3 to 127 spp.: Peripatopsidae (1:41/127), Dicyemida, (3:9/115), Petromyzontii (3:10/48), Monoplacophora (4:8/30), Remipedia (8:12/28), Filospermoidea (2:3/28), Orthonectida (2:5/26), Cladistii (1:2/14), Meiopriapulomorpha (1:1/12), Craniida (1:3/11), Nemertodermatida (2:6/9), Xenoturbelllida (1:1/6), Gnosonesimida (1:1/6), Rhabdopleurida (1:1/5), Seisonida (1:2/4), Phoronopsis (1:1/3) and Haplopharyngida (1:1/3).
Joined, this groups has (46:119/)493 spp.
