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Acanthophyllum
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Ptenophyllina
Family:
Ptenophyllidae
Subfamily:
Ptenophyllinae
Formal Genus Name and Reference:
Acanthophyllum DYBOWSKI, 1873c, p. 339
Type Species:
Cyathophyllum heterophyllurn MILNE-EDWARDS & HAIME, 1851, p. 367; SD SCHLiiTER, 1889, p. 296; figured syntype, Z47a, MN, Paris
Images
(Click to enlarge in a new window)
Fig. 146,3a,b. *A. heterophyllum (MILNE-EDWARDS & HAIME), M.Dev., Junkerberg beds, Ger., Eifel.; a, transv. sec., b, long. sec. another specimen, both X 1.3 (Birenheide, 1961). --Fig. 146,3c,d. A. ultimum (WEDEKIND), Givet., "Dusseltal," Ger.; c, holotype, transv. see., X2.0; d, ?paratype, long. sec., X2.0 (Pedder, 1973).
Synonyms
Mesophylloides, Neostringophyllum, Ptenophyllum, Cyathophyllum torquatum, Astrophyllum, Cyathophyllum torquatum, Rhopalophyllum, Stenophyllum , Cyathophyllum vermiculare, Leptoinophyllum
Geographic Distribution
Australia(Queensl.-New S.Wales)-Asia (NE.USSR); M.Dev.( COllvin.-Givet'), Eu.(U.K.- Belg.-France-Ger.-Czech.-USSR)-Asia(USSR-China- Indoch.)-Australia (Tasm.-Vict.-New S. Wales- Queensl.)-N. Afr. (Alg.-Moroc.)-N. Am.
Age Range
Beginning Stage in Treatise Usage:
L.Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
L.Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Moderately large, solitary or rarely weakly fasciculate, with deep calice either inversely conical or with broad, sloping, flat to everted peripheral platform; septa long, major septa extending with unequal curvature to axis or to short median plane and arranged commonly in groups about longer septa; minor septa commonly well developed, commonly thinner than major; in tabularium, septal faces may be coarsely vepreculate or flanged; trabeculae slender monacanths arranged in radial series except at periphery where each septal base may be composed of several rows of simple or tufted monacanths; dissepimentarium wide, typically of small, globose to elongate dissepiments; lonsdaleoid dissepiments and lateral dissepiments may be developed; tabularial floors concave with median notch or ?trough; tabulae incomplete, commonly close together.
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Ptenophyllina
Family:
Ptenophyllidae
Subfamily:
Ptenophyllinae
Formal Genus Name and Reference:
Acanthophyllum DYBOWSKI, 1873c, p. 339
Type Species:
Cyathophyllum heterophyllurn MILNE-EDWARDS & HAIME, 1851, p. 367; SD SCHLiiTER, 1889, p. 296; figured syntype, Z47a, MN, Paris
Images
(Click to enlarge in a new window)
Fig. 146,3a,b. *A. heterophyllum (MILNE-EDWARDS & HAIME), M.Dev., Junkerberg beds, Ger., Eifel.; a, transv. sec., b, long. sec. another specimen, both X 1.3 (Birenheide, 1961). --Fig. 146,3c,d. A. ultimum (WEDEKIND), Givet., "Dusseltal," Ger.; c, holotype, transv. see., X2.0; d, ?paratype, long. sec., X2.0 (Pedder, 1973).
Synonyms
Mesophylloides, Neostringophyllum, Ptenophyllum, Cyathophyllum torquatum, Astrophyllum, Cyathophyllum torquatum, Rhopalophyllum, Stenophyllum , Cyathophyllum vermiculare, Leptoinophyllum
Geographic Distribution
Australia(Queensl.-New S.Wales)-Asia (NE.USSR); M.Dev.( COllvin.-Givet'), Eu.(U.K.- Belg.-France-Ger.-Czech.-USSR)-Asia(USSR-China- Indoch.)-Australia (Tasm.-Vict.-New S. Wales- Queensl.)-N. Afr. (Alg.-Moroc.)-N. Am.
Age Range
Beginning Stage in Treatise Usage:
L.Dev.
Beginning International Stage:
Lochkovian
Fraction Up In Beginning Stage:
0
Beginning Date:
419
Ending Stage in Treatise Usage:
L.Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Moderately large, solitary or rarely weakly fasciculate, with deep calice either inversely conical or with broad, sloping, flat to everted peripheral platform; septa long, major septa extending with unequal curvature to axis or to short median plane and arranged commonly in groups about longer septa; minor septa commonly well developed, commonly thinner than major; in tabularium, septal faces may be coarsely vepreculate or flanged; trabeculae slender monacanths arranged in radial series except at periphery where each septal base may be composed of several rows of simple or tufted monacanths; dissepimentarium wide, typically of small, globose to elongate dissepiments; lonsdaleoid dissepiments and lateral dissepiments may be developed; tabularial floors concave with median notch or ?trough; tabulae incomplete, commonly close together.