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Longiclava
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stereolasmatina
Family:
Hapsiphyllidae
Subfamily:
Hapsiphyllinae
Formal Genus Name and Reference:
Longiclava EASTON, 1962, p. 33
Type Species:
L. tumida, OD; +118729, USNM, Washington
Images
(Click to enlarge in a new window)
Fig. 207,5a,b. *L. tumida, Allen F., Mont., a, topotype (paratype), calical view, X2, b, holotype, transv. sec., X3 (Easton, 1962).
Synonyms
Geographic Distribution
N.Am.(Mont.)
Age Range
Beginning Stage in Treatise Usage:
U.Miss.
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
0
Beginning Date:
330.34
Ending Stage in Treatise Usage:
U.Miss.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Small, solitary, calice shallow, with deep cardinal fossula on concave side of corallum and prominent, long, rhopaloid counter septum, septal insertion markedly accelerated in counter quadrants, major septa thick, long, but unequal, axial edges fused in groups, the longest in a group joining axial ends of counter septum, cardinal septum short in late stages, minor septa rudimentary.
References
Museum or Author Information
Classification
Phylum:
Cnidaria
Class:
Anthozoa
Subclass:
Rugosa
Order:
Stauriida
Suborder:
Stereolasmatina
Family:
Hapsiphyllidae
Subfamily:
Hapsiphyllinae
Formal Genus Name and Reference:
Longiclava EASTON, 1962, p. 33
Type Species:
L. tumida, OD; +118729, USNM, Washington
Images
(Click to enlarge in a new window)
Fig. 207,5a,b. *L. tumida, Allen F., Mont., a, topotype (paratype), calical view, X2, b, holotype, transv. sec., X3 (Easton, 1962).
Synonyms
Geographic Distribution
N.Am.(Mont.)
Age Range
Beginning Stage in Treatise Usage:
U.Miss.
Beginning International Stage:
Serpukhovian
Fraction Up In Beginning Stage:
0
Beginning Date:
330.34
Ending Stage in Treatise Usage:
U.Miss.
Ending International Stage:
Serpukhovian
Fraction Up In Ending Stage:
100
Ending Date:
323.4
Description
Small, solitary, calice shallow, with deep cardinal fossula on concave side of corallum and prominent, long, rhopaloid counter septum, septal insertion markedly accelerated in counter quadrants, major septa thick, long, but unequal, axial edges fused in groups, the longest in a group joining axial ends of counter septum, cardinal septum short in late stages, minor septa rudimentary.