Definition of Galeaspida. Meaning of Galeaspida. Synonyms of Galeaspida

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Definition of Galeaspida

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Meaning of Galeaspida from wikipedia

- Galeaspida (from Latin, 'Helmet shields') is an extinct taxon of jawless marine and freshwater fish. The name is derived from galea, the Latin word for...
- †Galeaspida...
- include only groups more clearly related to the Osteostraci, such as Galeaspida and Pituriaspida, that were largely unknown in the 1920s. Some reference...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
- (conodonts) † class Cephalaspidomorphi † (early jawless fish) (unranked) Galeaspida † (unranked) Pituriaspida † (unranked) OsteostraciInfraphylum Gnathostomata...
- all ostracoderms and the gnathostomes. Other ostracoderms, such as the Galeaspida are now known to have a paired olfactory organ. Current phylogenetic analysis...
- Galeaspida † "Cephalaspidomorphi" (paraphyletic)...
- braincase with those of jawless fish, such as the Osteostraci and the Galeaspida, strongly suggest that B. stensioi, and also the antiarchs, are basal...
- †Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
- included †Anaspidomorphi †Conodonta Cyclostomi (hagfish and lampreys) †Galeaspida †Myllokunmingiida? †Metaspriggina? †Osteostraci †Palaeospondylus? †Pituriaspida...