†order Spiraculata Jaekel 1918

Blastoidea - Spiraculata

Parent taxon: Blastoidea according to D. B. Macurda 1964

See also Sepkoski 2002

Sister taxa: Fissiculata, Granatocrinida, Macurdablastus, Pentremitida, Troosticrinida

Subtaxa: Acentrotremites Ambolostoma Arcuoblastus Auloblastus Belocrinus Calycoblastus Carpenteroblastus Conuloblastus Cordyloblastus Costatoblastus Cribroblastus Cryptoblastus Decemoblastus Deliablastus Dentiblastus Devonoblastus Diploblastus Doryblastus Elaeacrinus Eleutherocrinus Ellipticoblastus Euryoblastus Globoblastus Gongyloblastus Granatocrinus Heteroblastus Houiblastus Iranoblastus Kadiskoblastus Lophoblastus Malchiblastus Metablastus Monadoblastus Monoblastus Monoschizablastus Montanablastus Nodoblastus Nucleocrinus Orbiblastus Orbitremites Pentephyllum Pentremitidae Pentremoblastus Perittoblastus Placoblastus Poroblastus Ptychoblastus Pyramiblastus Schizoblastidae Schizoblastus Schizotremites Sinopetaloblastus Strongyloblastus Tanablastus Tricoelocrinus Troosticrinus Uyguroblastus Xinjiangoblastus Xyeleblastus

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution:

• Permian of Australia (5 collections), Indonesia (1), Oman (1)

• Chesterian of United States (17: Alabama, Illinois, Indiana, Kentucky, Nevada, Oklahoma, Virginia)

• Osagean of United States (19: Indiana, Kentucky, Tennessee)

• Carboniferous of Canada (5: Alberta, Northwest Territories, Yukon), the United Kingdom (1), United States (114: Alabama, Arizona, Arkansas, Georgia, Illinois, Indiana, Iowa, Kentucky, Montana, New Mexico, Pennsylvania, Tennessee, Virginia)

• Mississippian of United States (1: Arizona)

• Devonian of China (10), United States (12: Indiana, New York, Ohio)

• Silurian of United States (2: Indiana, Missouri)

Total: 188 collections including 342 occurrences

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