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Actinocyathus
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lonsdaleiina
Family:
Axophyllidae
Formal Genus Name and Reference:
Actinocyathus D'ORBIGNY, 1849, p. 12
Type Species:
Cyathophyllum crenulare Phillips, 1836, p. 202, M, +$ R 87 in Gllbertson Coll., BM(NH), London, lectotype by Smith, 1916, p. 257, = Lonsdaleia floriformis (Martin) 1809, pl. 43, validated by ICZN Op. 419, tneotype by Smith, 1916, p. 269, A2359, SM, Cambridge, which is holotype of Strombodes conaxis MCCOR, 1849, p. 10
Images
(Click to enlarge in a new window)
Fig. 262,3a-d. •A. floriformis (MARTIN); a, lectotype of Cyathophyllum crenulare PHILLIPS, Visean, ?Clitheroe, transv. sec., X1.5 (Kato, 1966b); b,c, neotype of A. floriformis (MARTIN), Visean, Derbyshire, transv., long. sees., X 1.5; d, another specimen, Visean, Derbyshire, long. sec., X2.0 (Smith, 1916).
Synonyms
Stylidophyllum, ?Protolonsdalia, Protolonsdaleia, ?Cystolonsdaleia
Geographic Distribution
(U. K.-Belg.-France-Ger.-USSR)-Asia (Kwangsi-Manchuria-Japan)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Carb.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Cerioid, with axial column consisting of more or less regular medial plate that may in late stages remain continuous with cardinal septum, radial septal lamellae and axial tabulae commonly forming wall to column, pericolumnar tabulae flat or concave, commonly complete, dissepimentarium commonly wide, lonsdaleoid, dissepiments commonly very large; increase lateral, cardinal-counter plane in offsets commonly radial to axis of parent [see KATO, 1966b, p. 100; lULL, 1967, p. 618]
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lonsdaleiina
Family:
Axophyllidae
Formal Genus Name and Reference:
Actinocyathus D'ORBIGNY, 1849, p. 12
Type Species:
Cyathophyllum crenulare Phillips, 1836, p. 202, M, +$ R 87 in Gllbertson Coll., BM(NH), London, lectotype by Smith, 1916, p. 257, = Lonsdaleia floriformis (Martin) 1809, pl. 43, validated by ICZN Op. 419, tneotype by Smith, 1916, p. 269, A2359, SM, Cambridge, which is holotype of Strombodes conaxis MCCOR, 1849, p. 10
Images
(Click to enlarge in a new window)
Fig. 262,3a-d. •A. floriformis (MARTIN); a, lectotype of Cyathophyllum crenulare PHILLIPS, Visean, ?Clitheroe, transv. sec., X1.5 (Kato, 1966b); b,c, neotype of A. floriformis (MARTIN), Visean, Derbyshire, transv., long. sees., X 1.5; d, another specimen, Visean, Derbyshire, long. sec., X2.0 (Smith, 1916).
Synonyms
Stylidophyllum, ?Protolonsdalia, Protolonsdaleia, ?Cystolonsdaleia
Geographic Distribution
(U. K.-Belg.-France-Ger.-USSR)-Asia (Kwangsi-Manchuria-Japan)
Age Range
Beginning Stage in Treatise Usage:
L.Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Carb.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Cerioid, with axial column consisting of more or less regular medial plate that may in late stages remain continuous with cardinal septum, radial septal lamellae and axial tabulae commonly forming wall to column, pericolumnar tabulae flat or concave, commonly complete, dissepimentarium commonly wide, lonsdaleoid, dissepiments commonly very large; increase lateral, cardinal-counter plane in offsets commonly radial to axis of parent [see KATO, 1966b, p. 100; lULL, 1967, p. 618]