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Stictostroma
Classification
Phylum:
Porifera
Class:
Stromatoporoidea
Order:
Stromatoporellida
Family:
Stromatoporellidae
Formal Genus Name and Reference:
Stictostroma PARKS, 1936, p. 78
Type Species:
Stromatopora mammillata Nicholson, 1873, p. 94, OD, non Schmidt, 1858, holotype, ROM 9360, =Stromatopora mamilliferum Galloway & St. JEAN, 1957, p. 125; =Stictostroma gorrienseStearn, 1995a, p. 26, designate d the type in aruling by ICZN (1996). The t ype specimen that PARKS (1936) designated as Stromatopora mammillata Nicholson, 1873, andrenamed S. mamilliferum Gallo way & St. Jean by Galloway and St. Jean (1957) to avoidhomonymy, had unknown internal structure, because Nicholson’s (1873) types were not sectioned. PARKS’s (1936) descriptions were based on specimens from Gorrie, Ontario, recognized as holotypes by ICZN Opinion 1843, Case 2109 (1996), because Nicholson's (1873) specimens, when sectioned, were indeterminate in diagnostic internal structure
Images
(Click to enlarge in a new window)
Fig. 439a-d. *S. gorriense Stearn, holotype, ROM 9360, Bois Blanc Formation, Gorrie, Ontario, a, longitudinal section 2149, X10, b, tangential section 2152, X10, c, longitudinal section 2151, showing microstructure of laminae, X55, d, tangential section 2150, showing microstructure of pillars, X55 (Stearn, 2011b).
Synonyms
Geographic Distribution
Czech Republic (Bohemia), Pragian; Australia (Victoria), Canada (Arctic Island, Northwest Territories, Ontario), New Zealand (Reefton), Emsian; Australia (Queensland), Belgium (Ardennes), Canada (Manitoba, Ontario), Czech Republic, western Germany (western), Russia (Kuznetsk Basin, Salair), USA (Michigan, Ohio), Eifelian; Afghanistan, Belgium (Ardennes), Canada (British Columbia, Ontario), France (Boulonnais), Germany (Sauerland), Russia (Kuznetsk Basin), USA (Missouri), Givetian; Canada (northern Ontario), China (Guangxi), Russia (Omolov, Kuznetsk Basin, Urals), USA (Missouri), Vietnam, Middle Devonian; Belgium (Ardennes), Canada (Alberta), China (Xizang), France (Boulonnais), Iran (Kerman), Russia (Kuznetsk Basin), USA (Iowa), Frasnian
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
Upper Devonian (Frasnian)
Ending International Stage:
Frasnian
Fraction Up In Ending Stage:
100
Ending Date:
371.1
Description
Laminae thick, extensive, ordinicellular in microstructure but commonly appearing transversely porous, tripartite, fibrous, rarely tubulate; pillars confined to interlaminar spaces, not systematically superposed, postlike, only rarely ring pillars, cellular where best preserved, commonly fibrous.
References
Parks, W. A. 1936. Devonian stromatoporoids of North America, part 1. University of Toronto Studies, Geological Series 39:1-125, 19 pl.
Museum or Author Information
Classification
Phylum:
Porifera
Class:
Stromatoporoidea
Order:
Stromatoporellida
Family:
Stromatoporellidae
Formal Genus Name and Reference:
Stictostroma PARKS, 1936, p. 78
Type Species:
Stromatopora mammillata Nicholson, 1873, p. 94, OD, non Schmidt, 1858, holotype, ROM 9360, =Stromatopora mamilliferum Galloway & St. JEAN, 1957, p. 125; =Stictostroma gorrienseStearn, 1995a, p. 26, designate d the type in aruling by ICZN (1996). The t ype specimen that PARKS (1936) designated as Stromatopora mammillata Nicholson, 1873, andrenamed S. mamilliferum Gallo way & St. Jean by Galloway and St. Jean (1957) to avoidhomonymy, had unknown internal structure, because Nicholson’s (1873) types were not sectioned. PARKS’s (1936) descriptions were based on specimens from Gorrie, Ontario, recognized as holotypes by ICZN Opinion 1843, Case 2109 (1996), because Nicholson's (1873) specimens, when sectioned, were indeterminate in diagnostic internal structure
Images
(Click to enlarge in a new window)
Fig. 439a-d. *S. gorriense Stearn, holotype, ROM 9360, Bois Blanc Formation, Gorrie, Ontario, a, longitudinal section 2149, X10, b, tangential section 2152, X10, c, longitudinal section 2151, showing microstructure of laminae, X55, d, tangential section 2150, showing microstructure of pillars, X55 (Stearn, 2011b).
Synonyms
Geographic Distribution
Czech Republic (Bohemia), Pragian; Australia (Victoria), Canada (Arctic Island, Northwest Territories, Ontario), New Zealand (Reefton), Emsian; Australia (Queensland), Belgium (Ardennes), Canada (Manitoba, Ontario), Czech Republic, western Germany (western), Russia (Kuznetsk Basin, Salair), USA (Michigan, Ohio), Eifelian; Afghanistan, Belgium (Ardennes), Canada (British Columbia, Ontario), France (Boulonnais), Germany (Sauerland), Russia (Kuznetsk Basin), USA (Missouri), Givetian; Canada (northern Ontario), China (Guangxi), Russia (Omolov, Kuznetsk Basin, Urals), USA (Missouri), Vietnam, Middle Devonian; Belgium (Ardennes), Canada (Alberta), China (Xizang), France (Boulonnais), Iran (Kerman), Russia (Kuznetsk Basin), USA (Iowa), Frasnian
Age Range
Beginning Stage in Treatise Usage:
Lower Devonian (Pragian)
Beginning International Stage:
Pragian
Fraction Up In Beginning Stage:
0
Beginning Date:
412.4
Ending Stage in Treatise Usage:
Upper Devonian (Frasnian)
Ending International Stage:
Frasnian
Fraction Up In Ending Stage:
100
Ending Date:
371.1
Description
Laminae thick, extensive, ordinicellular in microstructure but commonly appearing transversely porous, tripartite, fibrous, rarely tubulate; pillars confined to interlaminar spaces, not systematically superposed, postlike, only rarely ring pillars, cellular where best preserved, commonly fibrous.
References
Parks, W. A. 1936. Devonian stromatoporoids of North America, part 1. University of Toronto Studies, Geological Series 39:1-125, 19 pl.