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


from The Century Dictionary and Cyclopedia

  • n. A genus of protrematous brachiopods similar to Productus, but cemented by the umbo of the ventral valve, with both valves possessing a well-defined cardinal area. It occurs in the Paleozoic rocks from the Devonian to the Permian.


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.