Perisphinctes

noun

Peri·​sphinc·​tes
ˌperəˈsfiŋ(k)(ˌ)tēz
: a genus (the type of the family Perisphinctidae) comprising discoidal ammonites having bifurcating ribs not interrupted on the ventral side and being characteristic of the Upper Jurassic
perisphinctoid
¦⸗⸗¦sfiŋ(k)ˌtȯid
adjective

Word History

Etymology

New Latin, from peri- + -sphinctes (from Greek sphinktos tightly bound, from sphingein to bind fast)

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Cite this Entry

“Perisphinctes.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Perisphinctes. Accessed 22 Nov. 2024.

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