Help Wordnik hunt for a million missing words by backing our Kickstarter!


from The Century Dictionary and Cyclopedia

  • An order of fossil ganoids of the Devonian and Carboniferous periods, connecting the ganoids and selachians, having a cartilaginous skeleton, heterocercal tail, small rhomboidal scales, and a fulcrum before each fin. It includes such genera as Acanthodes, Chiracanthus, Diplacanthus, etc.


Sorry, no etymologies found.


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.