jawless vertebrate

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  • noun

Synonyms for jawless vertebrate

eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms

References in periodicals archive ?
The Furcacaudi formes: a new order of jawless vertebrates with thelodont scales, based on articulated Silurian and Devonian fossils from northern Canada.
Paired fins of jawless vertebrates and their homologies across the agnathan-gnathostome transition.
Phylogeny of the Pteraspidiformes (Heterostraci), Silurian-Devonian jawless vertebrates. ZoologicalScripta, 37, 391-103.
Phylogenetic relationships of the 'higher heterostracans' (Heterostraci: Pteraspidiformes and Cyathaspididae), extinct jawless vertebrates. Zoological Journal of the Linnean Society, XX, 1-17.
Lampreys are jawless vertebrates (agnathans) and the most primitive representatives of the cyclostome branch from which it is feasible to obtain embryos routinely.
Agassiz (in Murchison 1838) but their status as a distinct group of jawless vertebrates evolved slowly over many decades (see historical review by, e.g., Turner 1991).