Medical Dictionary
Cyclostomata
noun pl Cy·clo·sto·ma·ta
\ˌsī-klō-ˈstō-mət-ə, ˌsik-lō-, -ˈstäm-ət-ə\
\ˌsī-klō-ˈstō-mət-ə, ˌsik-lō-, -ˈstäm-ət-ə\
Medical Definition of CYCLOSTOMATA
: a class or other taxon of primitive vertebrates that have a large jawless sucking mouth, no limbs or paired fins, a wholly cartilaginous skeleton with persistent notochord, and 6 to 14 pairs of gill pouches and that include the lampreys and the hagfishes—compare chondrichthyes
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