Cyclostomata

noun plural

Cy·​clo·​sto·​ma·​ta ˌsī-klō-ˈstō-mət-ə How to pronounce Cyclostomata (audio) ˌsik-lō- How to pronounce Cyclostomata (audio)
-ˈstäm-ət-ə
: a class or order 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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Cite this Entry

“Cyclostomata.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Cyclostomata. Accessed 30 Nov. 2024.

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