Rhynchonellata - Spiriferinida

Synonym: Suessiacea Waagen 1883 [replaced name]

Parent taxon: Cyrtinidina according to A. Williams et al. 2006

See also Brunton and Champion 1974 and Kiessling 2003

Sister taxa: Cyrtinoidea, Spondylospiroidea

Subtaxa: Bittnerulidae Davidsoninidae Laballidae Suessiidae

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Ecology: stationary low-level epifaunal suspension feeder

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