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Eupatagus
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sand dollars) - Superorder Atelostomata
Order:
Spatangoida
Suborder:
Micrasterina
Family:
Brissidae
Formal Genus Name and Reference:
Eupatagus L. AGASSIZ, 1847, p. 9
Type Species:
*E. valenciennesi, SD POMEL, 1883, p. 28
Images
(Click to enlarge in a new window)
Figs. 474,4; 475,1. *E. valenciennesi, Rec., Australia; 474,4 , b, aboral, oral views of specimen with spines, X1.5(2), 474,4c, apical system, X3 (136i); Fig. 475,1a-c, aboral, oral, lat., bare test, X0.9 (Fischer, n)
Synonyms
Pseudopatagus, Melitia, Heterospatangus, Euspatangus, Perispatangus, Koilospatangus, Zanolettiaster, Megapatagus
Geographic Distribution
Eoc.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test ovoid in outline, low, oral side flat, apical system anterior, ethmolytic, with 4 gonopores, paired ambulacra with closed petals, frontal ambulacrum nonpetaloid, pores in single series, phyllodes weak, primary tubercles on aboral side only within peripetalous fasciole
References
Museum or Author Information
Classification
Phylum:
Echinodermata
Subphylum:
Echinozoa (sea urchins, holothurians, etc.)
Class:
Echinoidea
Subclass:
Euechinoidea (sand dollars) - Superorder Atelostomata
Order:
Spatangoida
Suborder:
Micrasterina
Family:
Brissidae
Formal Genus Name and Reference:
Eupatagus L. AGASSIZ, 1847, p. 9
Type Species:
*E. valenciennesi, SD POMEL, 1883, p. 28
Images
(Click to enlarge in a new window)
Figs. 474,4; 475,1. *E. valenciennesi, Rec., Australia; 474,4 , b, aboral, oral views of specimen with spines, X1.5(2), 474,4c, apical system, X3 (136i); Fig. 475,1a-c, aboral, oral, lat., bare test, X0.9 (Fischer, n)
Synonyms
Pseudopatagus, Melitia, Heterospatangus, Euspatangus, Perispatangus, Koilospatangus, Zanolettiaster, Megapatagus
Geographic Distribution
Eoc.-Rec., cosmop.
Age Range
Beginning Stage in Treatise Usage:
Eoc.
Beginning International Stage:
Ypresian
Fraction Up In Beginning Stage:
0
Beginning Date:
56
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test ovoid in outline, low, oral side flat, apical system anterior, ethmolytic, with 4 gonopores, paired ambulacra with closed petals, frontal ambulacrum nonpetaloid, pores in single series, phyllodes weak, primary tubercles on aboral side only within peripetalous fasciole