Sphaeronitida - Sphaeronitidae
Synonyms: Austrocystites Brown 1963, Carpocystites, Palmacystis Haeckel 1896, Proteocystites Barrande 1887
Parent taxon: Sphaeronitidae according to P. A. Jell 2010
See also Bockelie 1984, Chauvel and Le Menn 1979, Prokop 1964, Regnéll 1945 and Sepkoski 2002
Sister taxa: Allocystites, Archaegocystis, Archegocystis, Barbieria, Bulbocystis, Calix, Diplosphaeronis, Haplosphaeronis, Paleosphaeronites, Sphaeronites, Tetreucystis, Tholocystis
Subtaxa: Eucystis acuminata Eucystis angelini Eucystis barrandena Eucystis branagani Eucystis chlupaci Eucystis flava Eucystis hercynica Eucystis hibernica Eucystis langoeyensis Eucystis pentax Eucystis quadrangularis Eucystis raripunctata Eucystis robusta Proteocystites hispanica
Type: Eucystis raripunctata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of the Czech Republic (5 collections)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Australia (1)
• Ordovician of the Czech Republic (1), Norway (3), Spain (2), Sweden (4)
Total: 17 collections including 22 occurrences
Specimen images are retrieved through the ePANDDA API.
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