: a group of extinct animals of uncertain systematic rank and position formerly regarded as a division of Hydrozoa but now often placed in the Bryozoa or even associated with the pterobranchs in Hemichordata see graptolite

Word History


New Latin, from Graptolitus, genus of Graptolitoidea (alteration of Graptolithus, from Greek graptos painted, written + lithos stone) + -oidea

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Dictionary Entries Near Graptolitoidea

Cite this Entry

“Graptolitoidea.” Dictionary, Merriam-Webster, Accessed 17 Apr. 2024.

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