Crinoidea - Comatulida - Calometridae

Parent taxon: Tropiometroidea according to H. Hess and C. G. Messing 2011

See also Shibata and Oji 2007

Sister taxa: Asterometridae, Charitometridae, Conometridae, Maorimetridae, Pseudoconometridae, Pterocomidae, Ptilometridae, Thalassometridae, Tropiometridae

Subtaxa: Calometra Gephyrometra Kiimetra Neometra Pectinometra Reometra

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Type: Calometra

Ecology: facultatively mobile intermediate-level epifaunal suspension feeder

Distribution: found only at Torinosu Peninsula crinoids (Miocene to Miocene of Japan)

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