Crinoidea - Comatulida

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

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Type: Mariametra

Ecology: facultatively mobile intermediate-level epifaunal suspension feeder

Distribution: found only at Unspecified localities [Inglis Limestone] (Eocene of Florida)

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