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Archaeocyathus
Classification
Phylum:
Porifera
Class:
Archaeocyatha
Order:
Archaeocyathida
Superfamily:
Archaeocyathoidea
Family:
Archaeocyathida
Formal Genus Name and Reference:
Archaeocyathus BILLINGS, 1861, p. 3
Type Species:
A. atlanticus Billings, 1861, p. 5, SD Walcott, 1886, p. 75, holotype, Billings, 1861, fig. 5, Hinde, 1889, pl. 5, 8-10, ОКULITCH, 1943, pl. 5, 1-2, GSC 369, Ottawa
Images
(Click to enlarge in a new window)
Fig. 629, 1a-b. *A. atlanticus, Forteau Formation, Botoman, Anse au Loup, Labrador, Canada, holotype, GSC 369, a, longitudinal section (white triangle is adherent paper label), X2.5 (Okulitch, 1943), b, transverse section, X3 (Debrenne, Zhuravlev, & Kruse, 2002)
Synonyms
Spirocyathus, Retecyathus, Claruscyathus, Eucyathus, Flindersicyathus, Syringsella, Batenevia, Sanxiacyathus, Bijacyathus, Retecyathus, Vadimocyathus
Geographic Distribution
Siberian Platform, Altay Sayan, Tuva, Mongolia, Transbaikalia, Far East, Uzbekistan, Canada, United States, Mexico, Australia, Antarctica, South China, North China, Iberia, Sardinia
Age Range
Beginning Stage in Treatise Usage:
lower Cambrian (?Atdabanian 4)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
56
Beginning Date:
517.36
Ending Stage in Treatise Usage:
lower Cambrian (Toyonian 3)
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
75
Ending Date:
510.38
Description
Inner wall with one row of pores per intersept, bearing upwardly projecting, straight pore tubes, pseudotaenial network coarsely porous, concentrically porous segmented tabulae
References
Billings, Elkanah. 1861. New Species of Lower Silurian Fossils: On Some New or Little Known Species of Lower Silurian Fossils from the Potsdam Group (Primordial Zone). Geological Survey of Canada. Montreal. 24 p., 25 fig.
Museum or Author Information
Classification
Phylum:
Porifera
Class:
Archaeocyatha
Order:
Archaeocyathida
Superfamily:
Archaeocyathoidea
Family:
Archaeocyathida
Formal Genus Name and Reference:
Archaeocyathus BILLINGS, 1861, p. 3
Type Species:
A. atlanticus Billings, 1861, p. 5, SD Walcott, 1886, p. 75, holotype, Billings, 1861, fig. 5, Hinde, 1889, pl. 5, 8-10, ОКULITCH, 1943, pl. 5, 1-2, GSC 369, Ottawa
Images
(Click to enlarge in a new window)
Fig. 629, 1a-b. *A. atlanticus, Forteau Formation, Botoman, Anse au Loup, Labrador, Canada, holotype, GSC 369, a, longitudinal section (white triangle is adherent paper label), X2.5 (Okulitch, 1943), b, transverse section, X3 (Debrenne, Zhuravlev, & Kruse, 2002)
Synonyms
Spirocyathus, Retecyathus, Claruscyathus, Eucyathus, Flindersicyathus, Syringsella, Batenevia, Sanxiacyathus, Bijacyathus, Retecyathus, Vadimocyathus
Geographic Distribution
Siberian Platform, Altay Sayan, Tuva, Mongolia, Transbaikalia, Far East, Uzbekistan, Canada, United States, Mexico, Australia, Antarctica, South China, North China, Iberia, Sardinia
Age Range
Beginning Stage in Treatise Usage:
lower Cambrian (?Atdabanian 4)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
56
Beginning Date:
517.36
Ending Stage in Treatise Usage:
lower Cambrian (Toyonian 3)
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
75
Ending Date:
510.38
Description
Inner wall with one row of pores per intersept, bearing upwardly projecting, straight pore tubes, pseudotaenial network coarsely porous, concentrically porous segmented tabulae
References
Billings, Elkanah. 1861. New Species of Lower Silurian Fossils: On Some New or Little Known Species of Lower Silurian Fossils from the Potsdam Group (Primordial Zone). Geological Survey of Canada. Montreal. 24 p., 25 fig.