Superfamily Mariametroidea Rasmussen 1978 (Feather star)
Alternative spelling: Mariametracea
Parent taxon: Comatulidina according to H. Hess and C. G. Messing 2011
Sister taxa: Antedonoidea, Atelecrinoidea, Atopocrinidae, Comatulidia, Jaekelometridae, Microcrinus, Notocrinoidea, Paracomatulacea, Paracomatuloidea, Procomaster, Solanocrinitoidea, Tropiometroidea, Uintacrinoidea
Subtaxa: Colobometridae Eudiocrinidae Himerometridae Mariametridae Zygometridae
Type: Mariametra
Ecology: facultatively mobile intermediate-level epifaunal suspension feeder
Distribution: found only at Unspecified localities [Inglis Limestone] (Eocene of Florida)