Definition of Anaspida. Meaning of Anaspida. Synonyms of Anaspida

- Anaspida ("shieldless ones") is an extinct group of jawless fish that existed from the early Silurian period to the late Devonian period. They were classically...
- class †Myllokunmingiida class †Pteraspidomorphi class †Thelodonti class †Anaspida class †Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates)...
- ? †Thelodonti, †Conodonta, †Anaspida...
- jawless fishes) Superclass †Anaspidomorphi (anaspids and relatives) class †Anaspida (anaspids) Superclass Cyclostomata (cyclostomes) class Myxini (hagfish)...
- Family †Achanarellidae Newman, 2002 Family †Jamoytiidae White, 1946 class †Anaspida Janvier, 1996 non Williston, 1917 Order †Endeiolepidiformes Berg, 1940...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
- forms among the "ostracoderms" (jawless armored "fishes") of the class Anaspida, but this is increasingly considered an artificial arrangement based on...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
- Cephalaspidomorphi as obsolete because relations among Osteostraci and Anaspida are unclear, and the relation of lampreys to these groups is no longer...
- class †Pteraspidomorphi (early jawless fish) class †Thelodonti class †Anaspida class Petromyzontida or Hyperoartia Family Petromyzontidae (lampreys) class...