ichthyodea
/ɪkˈθaɪ.ə.ɪ.ə/Definitions
1. noun
a suborder of cartilaginous fishes that have gill slits but no jaws.
“The ichthyodea family includes a diverse range of marine species.”
2. adjective
relating to or characteristic of ichthyodea fishes.
“The ichthyodea-like scales on the fossilized fish were a key discovery.”