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pentremitid

adjective
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pen·​tre·​mit·​id

Definition of pentremitid

 (Entry 1 of 2)

: of or relating to the genus Pentremites or the family Pentremitidae

pentremitid

noun
\ " \
plural -s

Definition of pentremitid (Entry 2 of 2)

: an echinoderm or fossil of the genus Pentremites or the family Pentremitidae

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History and Etymology for pentremitid

Adjective

New Latin Pentremitidae, family of echinoderms, from Pentremites, type genus + -idae

Noun

New Latin Pentremitidae

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“Pentremitid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pentremitid. Accessed 28 Oct. 2020.

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