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Nicholsoniella
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Metriophyllina
Family:
Laccophyllidae
Subfamily:
Taralasmatinae
Formal Genus Name and Reference:
Nicholsoniella SOSHKINA, 1952, p. 66
Type Species:
N. bashkirica, OD, syntypes in PIN, Moscow
Images
(Click to enlarge in a new window)
Fig. 120,4a-c. *N. bashkirica, syntypes, R. Belaya, road from Kuk-Kulyor to Akavaz; a,c, transv., b, long. secs., X4 (Soshkina, 1952).
Synonyms
Geographic Distribution
Eu.(S.Urals)
Age Range
Beginning Stage in Treatise Usage:
U.Dev.(Frasn.)
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.(Frasn.)
Ending International Stage:
Frasnian
Fraction Up In Ending Stage:
100
Ending Date:
371.1
Description
Solitary small, erect, conical; with tabular and tabulate axial space formed by confluence in an aulos of thickened and somewhat withdrawn axial ends of major septa that are contiguous or connected by extensions of thickening over downturnings of the tabulae; cardinal fossula, with shortened cardinal septum, opens into aulos in adult stages; minor septa short, not contratingent; and with imperfect dissepimentarium in calice in late stages [see S0SHKINA, 1960, p. 306 and ROZKOWSKA, 1969, p. 24].
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Metriophyllina
Family:
Laccophyllidae
Subfamily:
Taralasmatinae
Formal Genus Name and Reference:
Nicholsoniella SOSHKINA, 1952, p. 66
Type Species:
N. bashkirica, OD, syntypes in PIN, Moscow
Images
(Click to enlarge in a new window)
Fig. 120,4a-c. *N. bashkirica, syntypes, R. Belaya, road from Kuk-Kulyor to Akavaz; a,c, transv., b, long. secs., X4 (Soshkina, 1952).
Synonyms
Geographic Distribution
Eu.(S.Urals)
Age Range
Beginning Stage in Treatise Usage:
U.Dev.(Frasn.)
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
U.Dev.(Frasn.)
Ending International Stage:
Frasnian
Fraction Up In Ending Stage:
100
Ending Date:
371.1
Description
Solitary small, erect, conical; with tabular and tabulate axial space formed by confluence in an aulos of thickened and somewhat withdrawn axial ends of major septa that are contiguous or connected by extensions of thickening over downturnings of the tabulae; cardinal fossula, with shortened cardinal septum, opens into aulos in adult stages; minor septa short, not contratingent; and with imperfect dissepimentarium in calice in late stages [see S0SHKINA, 1960, p. 306 and ROZKOWSKA, 1969, p. 24].