Filellum serratumFilellum serratum is a species in the genus Filellum, family Lafoeidae, order Leptothecata.Scientific classificationRankTaxonDomainEukaryotaKingdomAnimaliaPhylumCnidariaClassHydrozoaOrderLeptothecataFamilyLafoeidaeGenusFilellumSpeciesFilellum serratum