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Densastroma
Classification
Phylum:
Porifera
Class:
Stromatoporoidea
Order:
Actinostromatida
Family:
Densastromatidae
Formal Genus Name and Reference:
Densastroma FLÜGEL, 1959, p. 196
Type Species:
*Stromatopora astroites ROSEN, 1867, p. 62, OD
Images
(Click to enlarge in a new window)
Fig. 433, 1a-b. *D. astroites (Rosen), lectotype, Ludlow, Saarema, Estonia, IGTUT 115-1 (Co3181), a, longitudinal section, b, tangential section, X30 (Stock, 2012, courtesy of Heldur Nestor).
Synonyms
Geographic Distribution
Sweden (Gotland), United States (Iowa), Llandovery, Canada (Quebec), Estonia, Sweden (Gotland), Ukraine (Podolia), United States (Kentucky), Wenlock, China (Inner Mongolia), upper Silurian, Australia (New South Wales), Canada (Quebec), Estonia, Russia (Siberian Platform, Urals), Sweden (Gotland), Ukraine (Podolia), Uzbekistan, Ludlow, Canada (Quebec), Estonia, Russia (Urals), Ukraine (Podolia), Pridoli
Age Range
Beginning Stage in Treatise Usage:
lower Silurian (Llandovery)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
upper Silurian (Pridoli)
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Microcolliculi horizontally aligned, giving impression of microlaminae, micropillars short, forming orthoreticular pattern
References
Flügel, Erik. 1959. Die Gattung Actinostroma Nicholson und ihre Arten (Stromatoporoidea). Annalen Naturhistorisches Museum in Wien 63:90-273, pl. 6-7, 27 tables.
Museum or Author Information
Classification
Phylum:
Porifera
Class:
Stromatoporoidea
Order:
Actinostromatida
Family:
Densastromatidae
Formal Genus Name and Reference:
Densastroma FLÜGEL, 1959, p. 196
Type Species:
*Stromatopora astroites ROSEN, 1867, p. 62, OD
Images
(Click to enlarge in a new window)
Fig. 433, 1a-b. *D. astroites (Rosen), lectotype, Ludlow, Saarema, Estonia, IGTUT 115-1 (Co3181), a, longitudinal section, b, tangential section, X30 (Stock, 2012, courtesy of Heldur Nestor).
Synonyms
Geographic Distribution
Sweden (Gotland), United States (Iowa), Llandovery, Canada (Quebec), Estonia, Sweden (Gotland), Ukraine (Podolia), United States (Kentucky), Wenlock, China (Inner Mongolia), upper Silurian, Australia (New South Wales), Canada (Quebec), Estonia, Russia (Siberian Platform, Urals), Sweden (Gotland), Ukraine (Podolia), Uzbekistan, Ludlow, Canada (Quebec), Estonia, Russia (Urals), Ukraine (Podolia), Pridoli
Age Range
Beginning Stage in Treatise Usage:
lower Silurian (Llandovery)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
upper Silurian (Pridoli)
Ending International Stage:
Pridoli
Fraction Up In Ending Stage:
100
Ending Date:
419
Description
Microcolliculi horizontally aligned, giving impression of microlaminae, micropillars short, forming orthoreticular pattern
References
Flügel, Erik. 1959. Die Gattung Actinostroma Nicholson und ihre Arten (Stromatoporoidea). Annalen Naturhistorisches Museum in Wien 63:90-273, pl. 6-7, 27 tables.