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Comptonia
Classification
Phylum:
Echinodermata
Subphylum:
Asterozoa
Class:
Stelleroidea
Subclass:
Asteroidea
Order:
Valvatida
Suborder:
Granulosina
Family:
Goniasteridae
Subfamily:
Goniasteridae - Subfamily uncertain
Formal Genus Name and Reference:
Comptonia GRAY, 1840
Type Species:
C. elegans, OD
Images
(Click to enlarge in a new window)
Fig. 55,5. C. comptoni (Forbes), U.Alb., Eng., 5a,b, aboral and lat. views, X1 (131)
Synonyms
Geographic Distribution
Eng.-?Egypt-?Can.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.(Apt)
Beginning International Stage:
Aptian
Fraction Up In Beginning Stage:
0
Beginning Date:
121.4
Ending Stage in Treatise Usage:
L.Cret.(U.Alb.), ?U.Cret. (Santon.)
Ending International Stage:
Santonian
Fraction Up In Ending Stage:
100
Ending Date:
83.65
Description
Arms long, slender, distinct from slightly curved or straight interradial arcs, marginals square and rather small on arms, short and wide in interrays, with fine, close spine pits. Large valvate pedicellariae common.
References
Gray, J. E., $\cdot 1840, A$ synopsis of the genera and species of the class Hypostoma (Asterias Linn.): Ann. \& Mag. Nat. History, v. 6, p. 175184, 275-290.
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Asterozoa
Class:
Stelleroidea
Subclass:
Asteroidea
Order:
Valvatida
Suborder:
Granulosina
Family:
Goniasteridae
Subfamily:
Goniasteridae - Subfamily uncertain
Formal Genus Name and Reference:
Comptonia GRAY, 1840
Type Species:
C. elegans, OD
Images
(Click to enlarge in a new window)
Fig. 55,5. C. comptoni (Forbes), U.Alb., Eng., 5a,b, aboral and lat. views, X1 (131)
Synonyms
Geographic Distribution
Eng.-?Egypt-?Can.
Age Range
Beginning Stage in Treatise Usage:
L.Cret.(Apt)
Beginning International Stage:
Aptian
Fraction Up In Beginning Stage:
0
Beginning Date:
121.4
Ending Stage in Treatise Usage:
L.Cret.(U.Alb.), ?U.Cret. (Santon.)
Ending International Stage:
Santonian
Fraction Up In Ending Stage:
100
Ending Date:
83.65
Description
Arms long, slender, distinct from slightly curved or straight interradial arcs, marginals square and rather small on arms, short and wide in interrays, with fine, close spine pits. Large valvate pedicellariae common.
References
Gray, J. E., $\cdot 1840, A$ synopsis of the genera and species of the class Hypostoma (Asterias Linn.): Ann. \& Mag. Nat. History, v. 6, p. 175184, 275-290.