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Micropedina
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea - superorder Diadematacea
Order:
Pedinoida
Family:
Pedinidae
Formal Genus Name and Reference:
Micropedina COTTEAU, 1866, p. 822
Type Species:
Echinus olisiponensis FORBES, 1850; OD
Images
(Click to enlarge in a new window)
Fig. 267,2a-d. M. olisiponensis cotteatli COQUAND, Cenoman., Fr.; 2a, amb, aboral, X?; 2b,c, test, aboral, lat., X 1.2; 2d, apical system, X5.5 (27a). -- Fig. 267,2e,f. "M. olisiponensis (FORBES), Cenoman., Port.; 2e,j, amb, interamb, X7 (157)
Synonyms
Geographic Distribution
Eu.-N.Afr.-1ndia
Age Range
Beginning Stage in Treatise Usage:
U.Cret.( Cenoman..)
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
U.Cret.(Senon.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Test small to medium-sized (25-40 mm.), subglobular to sub- conical. Pore pairs arranged in arcs of 3, of which adapical pair lies outermost (inverse). Numerous enlarged tubercles in both ambs and interambs, forming many series. Peristome small. Spines slen- der, longitudinally striate.
References
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea - superorder Diadematacea
Order:
Pedinoida
Family:
Pedinidae
Formal Genus Name and Reference:
Micropedina COTTEAU, 1866, p. 822
Type Species:
Echinus olisiponensis FORBES, 1850; OD
Images
(Click to enlarge in a new window)
Fig. 267,2a-d. M. olisiponensis cotteatli COQUAND, Cenoman., Fr.; 2a, amb, aboral, X?; 2b,c, test, aboral, lat., X 1.2; 2d, apical system, X5.5 (27a). -- Fig. 267,2e,f. "M. olisiponensis (FORBES), Cenoman., Port.; 2e,j, amb, interamb, X7 (157)
Synonyms
Geographic Distribution
Eu.-N.Afr.-1ndia
Age Range
Beginning Stage in Treatise Usage:
U.Cret.( Cenoman..)
Beginning International Stage:
Cenomanian
Fraction Up In Beginning Stage:
0
Beginning Date:
100.5
Ending Stage in Treatise Usage:
U.Cret.(Senon.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Test small to medium-sized (25-40 mm.), subglobular to sub- conical. Pore pairs arranged in arcs of 3, of which adapical pair lies outermost (inverse). Numerous enlarged tubercles in both ambs and interambs, forming many series. Peristome small. Spines slen- der, longitudinally striate.