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Parallelopora
Classification
Phylum:
Porifera
Class:
Stromatoporoidea
Order:
Syringostromatida
Superfamily:
Unknown
Family:
Parallelostromatidae
Formal Genus Name and Reference:
Parallelopora BARGATZKY, 1881a, p. 291
Type Species:
P. ostiolata Bargatzky, 1881a, p. 292, OD, holotype, IPB 571b, also NHM. P5936 (slides 125), type illustrated by Nicholson (1886a, pl. 2), Lecompte (1952 in 1951-1952, pl. 51)
Images
(Click to enlarge in a new window)
Fig. 473a-d. *P. ostiolata, holotype, slides NHM. P5936, Middle Devonian, Büchel, Eifel, Germany, a, longitudinal section of Nicholson's sample of holotype, X10, b, tangential section, showing continuous network of pachysteles, X10, c, longitudinal section showing microstructure of micropillars, X50, d, tangential section showing coarsely melanospheric microstructure, X50 (Stearn, 2011b).
Synonyms
Geographic Distribution
Sweden (Scania, Gotland), upper Ludlow; Czech Republic (Bohemia), Pragian; Australia (Victoria), Canada (Arctic Island), Emsian; Canada (Arctic Island), Czech Republic (Bohemia), Morocco, USA (Indiana), Eifelian; Belgium (Ardennes), Canada (Manitoba), France (Boulonnais), Germany (Eifel, Rhineland, Sauerland), Russia (Kuznetsk Basin), Givetian; China (Guangxi, Hunan, Sichuan), Germany (Eifel), Russia (South Urals), Middle Devonian.
Age Range
Beginning Stage in Treatise Usage:
Silurian (upper Ludlow)
Beginning International Stage:
Ludfordian
Fraction Up In Beginning Stage:
0
Beginning Date:
425.01
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Pachysteles long, continuous, branching and joining in longitudinal section, in tangential section mostly joined into closed network, enclosing autotubes, pachystromes suppressed or absent, dissepiments abundant. Microstructure of pachysteles coarsely microreticulate (orthoreticular), apparently formed of closely spaced, opaque micropillars and more widely spaced, short microcolliculi.
References
Bargatzky, A. 1881a. Die Stromatoporen des rheinischen Devons. Verhandlungen des Naturhistorischen Vereins der Preussischen Rheinlande und Westfalen 38:233-304, 11 fig.
Museum or Author Information
Classification
Phylum:
Porifera
Class:
Stromatoporoidea
Order:
Syringostromatida
Superfamily:
Unknown
Family:
Parallelostromatidae
Formal Genus Name and Reference:
Parallelopora BARGATZKY, 1881a, p. 291
Type Species:
P. ostiolata Bargatzky, 1881a, p. 292, OD, holotype, IPB 571b, also NHM. P5936 (slides 125), type illustrated by Nicholson (1886a, pl. 2), Lecompte (1952 in 1951-1952, pl. 51)
Images
(Click to enlarge in a new window)
Fig. 473a-d. *P. ostiolata, holotype, slides NHM. P5936, Middle Devonian, Büchel, Eifel, Germany, a, longitudinal section of Nicholson's sample of holotype, X10, b, tangential section, showing continuous network of pachysteles, X10, c, longitudinal section showing microstructure of micropillars, X50, d, tangential section showing coarsely melanospheric microstructure, X50 (Stearn, 2011b).
Synonyms
Geographic Distribution
Sweden (Scania, Gotland), upper Ludlow; Czech Republic (Bohemia), Pragian; Australia (Victoria), Canada (Arctic Island), Emsian; Canada (Arctic Island), Czech Republic (Bohemia), Morocco, USA (Indiana), Eifelian; Belgium (Ardennes), Canada (Manitoba), France (Boulonnais), Germany (Eifel, Rhineland, Sauerland), Russia (Kuznetsk Basin), Givetian; China (Guangxi, Hunan, Sichuan), Germany (Eifel), Russia (South Urals), Middle Devonian.
Age Range
Beginning Stage in Treatise Usage:
Silurian (upper Ludlow)
Beginning International Stage:
Ludfordian
Fraction Up In Beginning Stage:
0
Beginning Date:
425.01
Ending Stage in Treatise Usage:
Middle Devonian (Givetian)
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Pachysteles long, continuous, branching and joining in longitudinal section, in tangential section mostly joined into closed network, enclosing autotubes, pachystromes suppressed or absent, dissepiments abundant. Microstructure of pachysteles coarsely microreticulate (orthoreticular), apparently formed of closely spaced, opaque micropillars and more widely spaced, short microcolliculi.
References
Bargatzky, A. 1881a. Die Stromatoporen des rheinischen Devons. Verhandlungen des Naturhistorischen Vereins der Preussischen Rheinlande und Westfalen 38:233-304, 11 fig.