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Fibularia
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sea urchins) - Superorder Neognathostomata (sand dollars)
Order:
Clypeasteroida (sand dollars)
Suborder:
Laganina
Family:
Fibulariidae
Formal Genus Name and Reference:
Fibularia LAMARCK, 1816, p. 16
Type Species:
*F. ovulum, SD ICZN, 1950
Images
(Click to enlarge in a new window)
Fig. 360,1. *F. ovulum, Rec., E.Indies (Kei Is.), 1a,b, aboral, oral views, X2.5 (136g). [See also figs. 348,4; 350,7.]
Synonyms
Echinocyamus
Geographic Distribution
worldwide as fossil, living IndoPac. only
Age Range
Beginning Stage in Treatise Usage:
U.Cret.(U. Senon.)
Beginning International Stage:
Campanian
Fraction Up In Beginning Stage:
0
Beginning Date:
83.65
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test ovate, inflated, periproct close to peristome, hydropores in groove, no internal supports, 5 large periproctal plates, buccal membrane naked, no calcareous disc in tube feet
References
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sea urchins) - Superorder Neognathostomata (sand dollars)
Order:
Clypeasteroida (sand dollars)
Suborder:
Laganina
Family:
Fibulariidae
Formal Genus Name and Reference:
Fibularia LAMARCK, 1816, p. 16
Type Species:
*F. ovulum, SD ICZN, 1950
Images
(Click to enlarge in a new window)
Fig. 360,1. *F. ovulum, Rec., E.Indies (Kei Is.), 1a,b, aboral, oral views, X2.5 (136g). [See also figs. 348,4; 350,7.]
Synonyms
Echinocyamus
Geographic Distribution
worldwide as fossil, living IndoPac. only
Age Range
Beginning Stage in Treatise Usage:
U.Cret.(U. Senon.)
Beginning International Stage:
Campanian
Fraction Up In Beginning Stage:
0
Beginning Date:
83.65
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test ovate, inflated, periproct close to peristome, hydropores in groove, no internal supports, 5 large periproctal plates, buccal membrane naked, no calcareous disc in tube feet