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Allotropiophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stereolasmatina
Family:
Hapsiphyllidae
Subfamily:
Hapsiphyllinae
Formal Genus Name and Reference:
Allotropiophyllum GRABAJ, 1928, p. 130
Type Species:
Amplexus spinosus de Koninck var. sinensis GRABAU, 1922, p. 64, OD; 2 syntypes of var. sinensis, 159-160, Geol. Survey China, Peking; tholotype of species sinensis, 1600, IGP, Nanking, selected by GRABAU, 1928, p. 136]
Images
(Click to enlarge in a new window)
Fig. 204,1a-c. *A. sinense (Grabau), L.Perm., Chihsia Ls., China, Chihsiashan, Nanking reg., a-c, transv. secs., X5 (Grabau, 1928).
Synonyms
Geographic Distribution
Eu.(Belg.-U.K.), Miss., N.Am.(Alberta), L.Perm.(Artinsk.), Asia(China)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Tournais.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Perm.(Visean)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Small, ceratoid and typically with scattered hollow spines, fossula on concave side, narrowing inward and then expanding into axial space bounded on narrow counter side by conjoined axial ends of septa of counter quadrants, in which septal insertion is greatly accelerated, axial ends of long, thin metasepta of cardinal quadrants may reach across axial space to partial inner wall or may themselves join and extend wall around fossula, cardinal septum short, tabulae rising to wall of fossula, minor septa short, no dissepiments
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stereolasmatina
Family:
Hapsiphyllidae
Subfamily:
Hapsiphyllinae
Formal Genus Name and Reference:
Allotropiophyllum GRABAJ, 1928, p. 130
Type Species:
Amplexus spinosus de Koninck var. sinensis GRABAU, 1922, p. 64, OD; 2 syntypes of var. sinensis, 159-160, Geol. Survey China, Peking; tholotype of species sinensis, 1600, IGP, Nanking, selected by GRABAU, 1928, p. 136]
Images
(Click to enlarge in a new window)
Fig. 204,1a-c. *A. sinense (Grabau), L.Perm., Chihsia Ls., China, Chihsiashan, Nanking reg., a-c, transv. secs., X5 (Grabau, 1928).
Synonyms
Geographic Distribution
Eu.(Belg.-U.K.), Miss., N.Am.(Alberta), L.Perm.(Artinsk.), Asia(China)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.(Tournais.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Perm.(Visean)
Ending International Stage:
Visean
Fraction Up In Ending Stage:
100
Ending Date:
330.34
Description
Small, ceratoid and typically with scattered hollow spines, fossula on concave side, narrowing inward and then expanding into axial space bounded on narrow counter side by conjoined axial ends of septa of counter quadrants, in which septal insertion is greatly accelerated, axial ends of long, thin metasepta of cardinal quadrants may reach across axial space to partial inner wall or may themselves join and extend wall around fossula, cardinal septum short, tabulae rising to wall of fossula, minor septa short, no dissepiments