Cephalaspidomorphi

Translingual

Wikispecies

Etymology

New Latin, from Ancient Greek κεφαλή (kephalḗ, “head”) + stem of ἀσπίς (aspís, “shield”) +‎ -morphi

Proper noun

†Cephalaspidomorphi

1. A taxonomic class within the subphylum Vertebrata – jawless fish, all of which are extinct in most current classifications.

Usage notes

• In much of the 20th century this class included lampreys (Petromyzontidae).

Hypernyms

• (class): Eukaryota – superkingdom; Animalia – kingdom; Bilateria – subkingdom; Deuterostomia – infrakingdom; Chordata – phylum; Chordata Craniata - clade; Vertebrata - subphylum; Hyperoartia - clade

Hyponyms

• (class): †Atelaspidiformes, †Birkeniiformes, †Cephalaspidiformes, †Galeaspidiformes, †Pituriaspidiformes, †Tremataspidiformes - orders

See also

• †Anaspida
• †Galeaspida
• †Osteostraci
• †Pituriaspida

References

• Ruggiero MA, Gordon DP, Orrell TM, Bailly N, Bourgoin T, Brusca RC, et al. (2015) A Higher Level Classification of All Living Organisms. PLoS ONE 10(4): e0119248. PMID 25923521, doi: 10.1371/journal.pone.0119248