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Densocyathus
Classification
Phylum:
Porifera
Class:
Archaeocyatha
Order:
Ajacicyathida
Superfamily:
Bronchocyathoidea
Family:
Densocyathidae
Formal Genus Name and Reference:
Densocyathus VOLOGDIN, 1937b, p. 471
Type Species:
D. sanaschticolensis, M, holotype not designated, collection not located
Images
(Click to enlarge in a new window)
Fig. 536, 1. *D. sanaschticolensis, Verkhnemonok Formation, Botoman, Sanashtykgol Spring, West Sayan, Altay Sayan, Russia, unlocated syntype, transverse section of modular skeleton, X5 (Vologdin, 1937b).
Synonyms
Geographic Distribution
Altay Sayan
Age Range
Beginning Stage in Treatise Usage:
lower Cambrian (Botomian 1)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
75
Beginning Date:
516.13
Ending Stage in Treatise Usage:
lower Cambrian (Botomian 3)
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
25
Ending Date:
513.13
Description
Inner wall with several rows of pores per intersept, bearing upwardly projecting, S-shaped scales, septa aporose to sparsely porous
References
Vologdin, A. G. 1937b. Arkheotsiaty i rezul'taty ikh izucheniya v SSSR [Archaeocyaths and the results of their study in the USSR]. Problemy Paleontologii 2-3:453-500, 24 fig., 4 pl.
Museum or Author Information
Classification
Phylum:
Porifera
Class:
Archaeocyatha
Order:
Ajacicyathida
Superfamily:
Bronchocyathoidea
Family:
Densocyathidae
Formal Genus Name and Reference:
Densocyathus VOLOGDIN, 1937b, p. 471
Type Species:
D. sanaschticolensis, M, holotype not designated, collection not located
Images
(Click to enlarge in a new window)
Fig. 536, 1. *D. sanaschticolensis, Verkhnemonok Formation, Botoman, Sanashtykgol Spring, West Sayan, Altay Sayan, Russia, unlocated syntype, transverse section of modular skeleton, X5 (Vologdin, 1937b).
Synonyms
Geographic Distribution
Altay Sayan
Age Range
Beginning Stage in Treatise Usage:
lower Cambrian (Botomian 1)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
75
Beginning Date:
516.13
Ending Stage in Treatise Usage:
lower Cambrian (Botomian 3)
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
25
Ending Date:
513.13
Description
Inner wall with several rows of pores per intersept, bearing upwardly projecting, S-shaped scales, septa aporose to sparsely porous
References
Vologdin, A. G. 1937b. Arkheotsiaty i rezul'taty ikh izucheniya v SSSR [Archaeocyaths and the results of their study in the USSR]. Problemy Paleontologii 2-3:453-500, 24 fig., 4 pl.