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Pilophyllia
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Streptelasmatina
Family:
Kodonophyllidae
Formal Genus Name and Reference:
Pilophyllia Ge & YÜ, 1974, p. 170
Type Species:
*P. involuta, OD, †22131-2, IGP, Nanking
Images
(Click to enlarge in a new window)
Fig. 101,1a,b. *P. involuta, holotype, M.Sil., Ning Qiang F., Shensi, Ning Qiang, a,b, transv., long. secs., X1.5 (Ge& Yü, 1974)
Synonyms
Geographic Distribution
Asia(SW.China)
Age Range
Beginning Stage in Treatise Usage:
L.Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
M.Sil.
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Solitary, large, marginarium a narrow peripheral stereozone composed of thick minor septa and thickened peripheral ends of major septa, major septa thinning in tabularium towards axis, slowly at first, then rapidly becoming attenuate, and either involute or straight, cardinal septum may be short in indistinct fossula, tabularium wide, tabular floors close, shallow domes or subhorizontal, tabulae commonly complete, no dissepiments. [Possibly amplexid; nature of discontinuity in axial parts of septa unclear.]
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Streptelasmatina
Family:
Kodonophyllidae
Formal Genus Name and Reference:
Pilophyllia Ge & YÜ, 1974, p. 170
Type Species:
*P. involuta, OD, †22131-2, IGP, Nanking
Images
(Click to enlarge in a new window)
Fig. 101,1a,b. *P. involuta, holotype, M.Sil., Ning Qiang F., Shensi, Ning Qiang, a,b, transv., long. secs., X1.5 (Ge& Yü, 1974)
Synonyms
Geographic Distribution
Asia(SW.China)
Age Range
Beginning Stage in Treatise Usage:
L.Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
M.Sil.
Ending International Stage:
Homerian
Fraction Up In Ending Stage:
100
Ending Date:
426.74
Description
Solitary, large, marginarium a narrow peripheral stereozone composed of thick minor septa and thickened peripheral ends of major septa, major septa thinning in tabularium towards axis, slowly at first, then rapidly becoming attenuate, and either involute or straight, cardinal septum may be short in indistinct fossula, tabularium wide, tabular floors close, shallow domes or subhorizontal, tabulae commonly complete, no dissepiments. [Possibly amplexid; nature of discontinuity in axial parts of septa unclear.]