Eupatagus

Eupatagus antillarum, copyright Harry Pristis.

Belongs within: Micrasterina.

Eupatagus is a cosmopolitan genus of ovoid urchins known from the Eocene to the present (Fischer 1966).

Characters (from Fischer 1966): Test ovoid in outline, low, oral side flat; apical system anterior, ethmolytic, with four gonopores; paired ambulacra with closed petals; frontal ambulacrum nonpetaloid, pores in single series, phyllodes weak; primary tubercles on aboral side only within peripetalous fasciole.

<==Eupatagus Agassiz 1847 (see below for synonymy) F66
    |  i. s.: ‘*Pseudopatagus’ cruciatus Pomel 1885 F66
    |         ‘*Megapatagus’ franciscanus Sánchez Roig 1953 F66
    |         ‘*Zanolettiaster’ herrerae Sánchez Roig 1952 F66
    |         ‘Macropneustes’ lefebvrei DeLoriol 1881 [=*Heterospatangus lefebvrei] F66
    |         ‘Euspatangus’ libycus de Loriol 1881 [=*Perispatangus libycus] F66
    |         ‘Metalia’ melitensis Gregory 1891 [=*Melitia melitensis] F66
    |--*E. (Eupatagus) valenciennesi Agassiz 1847 [=*Euspatangus valenciennesi, *Koilospatangus valenciennesi] F66
    `--E. (Gymnopatagus Döderlein 1901) F66
         |--E. (*G.) valdiviae (Döderlein 1901) [=*Gymnopatagus valdiviae] F66
         `--E. (G.) antillarum F66

Eupatagus Agassiz 1847 [=Euspatangus Cotteau 1869, Koilospatangus Lambert 1906; incl. Heterospatangus Fourtau 1905, Megapatagus Sánchez Roig 1953, Melitia Fourtau 1913, Perispatangus Fourtau 1905, Pseudospatagus Pomel 1885, Zanolettiaster Sánchez Roig 1952] F66

*Type species of generic name indicated

REFERENCES

[F66] Fischer, A. G. 1966. Spatangoids. In: Moore, R. C. (ed.) Treatise on invertebrate Paleontology pt U. Echinodermata 3 vol. 2 pp. U543–U628. The Geological Society of America, Inc., and The University of Kansas Press.