Definition of Anaspida. Meaning of Anaspida. Synonyms of Anaspida

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Definition of Anaspida

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Meaning of Anaspida from wikipedia

- 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)...
- †Anaspida...
- classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata class: †Anaspida Order: †Birkeniiformes Family: †Ramsaasalepididae Blom, Märss & Miller...
- class Pteraspidomorphi † (early jawless fish) class Thelodonti † class Anaspida † class Petromyzontida or Hyperoartia Petromyzontidae (lampreys) class...
- ? †Thelodonti, †Conodonta, †Anaspida...
- v t e Anaspida Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Category...
- Family †Achanarellidae Newman, 2002 Family †Jamoytiidae White, 1946 class †Anaspida Janvier, 1996 non Williston, 1917 Order †Endeiolepidiformes Berg, 1940...
- forms among the "ostracoderms" (jawless armored "fishes") of the class Anaspida, but this is increasingly considered an artificial arrangement based on...
- species took to the water column to be free-swimming organisms. †Anaspida (extinct) Anaspida ('no-shields') is an extinct group of primitive jawless vertebrates...