Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From scientific Latin Philodina + -id, after scientific Latin Philodinidae, family name.
Definition of philodinid in US English:
philodinid
nounˌfɪləˈdʌɪnɪd
Zoology
A rotifer of the family Philodinidae.
Origin
Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From scientific Latin Philodina + -id, after scientific Latin Philodinidae, family name.