†family Holocystitidae Miller 1889

Diploporita - Sphaeronitida - Holocystitidae

Parent taxon: Sphaeronitida according to S. Sheffield and C. Sumrall 2017

See also Jell 2010 and Paul 1971

Sister taxa: none

Subtaxa: Holocystites Paulicystis Pentacystis Pustulocystis Trematocystis

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution:

• Clinton of United States (4: Illinois, Indiana collections)

• Silurian of Australia (1), United States (17: Arkansas, Illinois, Indiana, New York, Wisconsin)

• Niagaran of United States (1: Ohio)

• Ordovician of Canada (2: Quebec)

Total: 25 collections including 53 occurrences

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