orbitolinid
/ɔːˌbɪtəˈlɪnɪd/Palaeontology
adjective
Of or relating to the family Orbitolinidae of foraminiferans, occurring as fossils in deposits of Jurassic to mid-Tertiary age.
noun
A foraminiferan of the family Orbitolinidae.
Origin
1950s. From scientific Latin Orbitolinidae, family name from Orbitolina + -idae.