Archaeocyathid

US:USA pronunciation: respellingUSA pronunciation: respelling(är′kē ō sī′ə thid, är kē′ə-)


WordReference Random House Unabridged Dictionary of American English © 2025
Ar•chae•o•cy•a•thid  (är′kē ō sī′ə thid, är kē′ə-),USA pronunciation n. 
  1. Paleontologyone of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner and outer walls.
  • Greek kýathos) + -id2
  • Neo-Latin Archaeocyath(us) genus name (archaeo- archaeo- + Latin cyathus ladle


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