nummulitid
/nʌmjʊˈlɪtɪd/ /nʌmjʊˈlʌɪtɪd/Zoology and Palaeontology
noun
A foraminiferan of the family Nummulitidae, variously defined by different writers but including the nummulites.
adjective
Of, relating to, or designating foraminiferans of the family Nummulitidae.
Origin
Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From scientific Latin Nummulitidae, family name from Nummulites + -idae.