Archaeocyathus (Spirocyathus) (archaeocyath sponge)

Archaeocyatha - Archaeocyathida - Archaeocyathidae

Alternative spelling: Spirocyathus

Parent taxon: Archaeocyathus according to V. J. Okulitch 1954

See also Okulitch 1950, Osadchaya et al. 1979 and Raymond 1931

Sister taxa: Archaeocyathus abacus, Archaeocyathus arborensis, Archaeocyathus atlanticus, Archaeocyathus chikinevae, Archaeocyathus dwighti, Sanxiacyathus sinuatus, Flindersicyathus aenigmatus, Flindersicyathus mcdamensis

Subtaxa: Archaeocyathus (Spirocyathus) yavorskii Spirocyathus constrictus

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution:

• Cambrian of Mexico (2 collections), the Russian Federation (7), United States (2: California)

Total: 11 collections each including a single occurrence

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