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Pseudophaulactis
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lykophyllina
Family:
Lykophyllidae
Formal Genus Name and Reference:
Pseudophaulactis Zaprudskaya in IVANOVSKIY, 1963, p. 32
Type Species:
P. lykophylloides, OD; +7, coIl. 305, IGG, Novosibirsk
Images
(Click to enlarge in a new window)
Fig. 161,4a,b. *P. Iykophylloides, holotype, R. Gorbiyachin; a,b, transv., long. sees., X4 (Ivanovskiy, 1963; photographs courtesy A. B. Ivanovskiy).
Synonyms
Pycnactis
Geographic Distribution
Asia (Sib.Platf.-Tadzhik.)
Age Range
Beginning Stage in Treatise Usage:
L.Sil.(Llandov.)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L.Sil.(Llandov.)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
100
Ending Date:
432.93
Description
Septa in early stages thickened to contiguity, in adult stages thin, reduction in thickening first affecting those of counter quadrants, axial ends of major septa somewhat withdrawn from axis and flexed to join in groups in each quadrant; minor septa very short; axial structure absent; tabulae convex; dissepiments absent.
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Lykophyllina
Family:
Lykophyllidae
Formal Genus Name and Reference:
Pseudophaulactis Zaprudskaya in IVANOVSKIY, 1963, p. 32
Type Species:
P. lykophylloides, OD; +7, coIl. 305, IGG, Novosibirsk
Images
(Click to enlarge in a new window)
Fig. 161,4a,b. *P. Iykophylloides, holotype, R. Gorbiyachin; a,b, transv., long. sees., X4 (Ivanovskiy, 1963; photographs courtesy A. B. Ivanovskiy).
Synonyms
Pycnactis
Geographic Distribution
Asia (Sib.Platf.-Tadzhik.)
Age Range
Beginning Stage in Treatise Usage:
L.Sil.(Llandov.)
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L.Sil.(Llandov.)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
100
Ending Date:
432.93
Description
Septa in early stages thickened to contiguity, in adult stages thin, reduction in thickening first affecting those of counter quadrants, axial ends of major septa somewhat withdrawn from axis and flexed to join in groups in each quadrant; minor septa very short; axial structure absent; tabulae convex; dissepiments absent.