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Micropyga
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea - superorder Diadematacea
Order:
Diadematoida
Family:
Micropygidae
Formal Genus Name and Reference:
Micropyga A. AGASSIZ, 1879, p. 274
Type Species:
M. tuberculata; OD
Images
(Click to enlarge in a new window)
Fig. 259,6. *M. tuberculata, lndon., amb, X5.8 (136c)
Synonyms
Rotapedina
Geographic Distribution
Indo-W. Pac.
Age Range
Beginning Stage in Treatise Usage:
Rec.
Beginning International Stage:
Greenlandian
Fraction Up In Beginning Stage:
0
Beginning Date:
0.01
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test large (up to 140 mm. diam.), low hemispherical, flattened ad- orally , flexible. Primary tubercles in conspicuous longitudinal series. Gill clefts deep. Spines of moderate length, thorny.
References
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea - superorder Diadematacea
Order:
Diadematoida
Family:
Micropygidae
Formal Genus Name and Reference:
Micropyga A. AGASSIZ, 1879, p. 274
Type Species:
M. tuberculata; OD
Images
(Click to enlarge in a new window)
Fig. 259,6. *M. tuberculata, lndon., amb, X5.8 (136c)
Synonyms
Rotapedina
Geographic Distribution
Indo-W. Pac.
Age Range
Beginning Stage in Treatise Usage:
Rec.
Beginning International Stage:
Greenlandian
Fraction Up In Beginning Stage:
0
Beginning Date:
0.01
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test large (up to 140 mm. diam.), low hemispherical, flattened ad- orally , flexible. Primary tubercles in conspicuous longitudinal series. Gill clefts deep. Spines of moderate length, thorny.