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


from The Century Dictionary and Cyclopedia

  • n. A genus of pachycampylous ammonoid cephalopods having smooth, involute, compressed discoidal shells, often of large size, with very complex sutures, which are of ceratitoid outline in young stages of growth. The genus occurs in Cretaceous rocks.


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.