Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Catopygus
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sand dollars) - Superorder Atelostomata
Order:
Cassiduloida
Family:
Nucleolitidae
Formal Genus Name and Reference:
Catopygus L. AGASSIZ, 1836, p. 185
Type Species:
*Nucleolites carinatus Goldfuss, 1826, p. 142, SD COTTEAV, 1869, p. 121
Images
(Click to enlarge in a new window)
Figs. 389,4: 390,6; 391, 4. *C. carinatlls (GOLDFUSS), U.Cret.(Cenoman.), Fr.; Fig. 389,4, lat., X1; Fig. 390,6, amb V phyllode; 391, 4a,b, aboral, oral, X2 (98)
Synonyms
Penesticta
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Jur.(Kimmeridg.)
Beginning International Stage:
Kimmeridgian
Fraction Up In Beginning Stage:
0
Beginning Date:
154.78
Ending Stage in Treatise Usage:
U.Cret.(Senon.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Small, oval, highly inflated; 3 or 4 genital pores; petals flush, all ambulacral plates double- pored; periproct marginal; bourrelets well devel- oped; phyllodes with 2 series of pore pairs in each half-ambulacrum, inner pore usually smaller than outer; no buccal pores.
References
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sand dollars) - Superorder Atelostomata
Order:
Cassiduloida
Family:
Nucleolitidae
Formal Genus Name and Reference:
Catopygus L. AGASSIZ, 1836, p. 185
Type Species:
*Nucleolites carinatus Goldfuss, 1826, p. 142, SD COTTEAV, 1869, p. 121
Images
(Click to enlarge in a new window)
Figs. 389,4: 390,6; 391, 4. *C. carinatlls (GOLDFUSS), U.Cret.(Cenoman.), Fr.; Fig. 389,4, lat., X1; Fig. 390,6, amb V phyllode; 391, 4a,b, aboral, oral, X2 (98)
Synonyms
Penesticta
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
U.Jur.(Kimmeridg.)
Beginning International Stage:
Kimmeridgian
Fraction Up In Beginning Stage:
0
Beginning Date:
154.78
Ending Stage in Treatise Usage:
U.Cret.(Senon.)
Ending International Stage:
Maastrichtian
Fraction Up In Ending Stage:
100
Ending Date:
66.04
Description
Small, oval, highly inflated; 3 or 4 genital pores; petals flush, all ambulacral plates double- pored; periproct marginal; bourrelets well devel- oped; phyllodes with 2 series of pore pairs in each half-ambulacrum, inner pore usually smaller than outer; no buccal pores.