The Echinoid Directory

Delopatagus Koehler 1907, p. 147

Diagnostic Features	Test almost circular in outline without anterior sulcus; thin-shelled; apex towards truncate posterior; oral surface flat. Apical disc ?ethmolytic with three gonopores (none in genital plate 2). Anterior ambulacrum flush with rudimentary pores only. Paired ambulacra weakly petaloid and sunken. The posterior petals much shorter than the anterior petals. Peristome a little anterior of centre; somewhat sunken; labral plate projecting over opening. Plastron plating unrecorded. Periproct small and towards top of posterior truncate face. No fascioles.
Distribution	Recent, Antarctic.
Name gender	masculine
Type	Delopatagus brucei Koehler 1907, p. 147, by original designation.
Species Included	Only the type species.
Classification and/or Status	Spatangoida, Paleopneustina, Incertae sedis B. Monotypic.
Remarks	According to Mironov (1993) D. brucei is a junior synonym of the type species of Genicopatagus. No decent published figure exists of this taxon. Koehler, 1907. Zool. Anz. 32, p. 147. Mironov, A. N. 1993. Deep sea echinoids of the South Atlantic. Trudy Inst. Okeanol. 127, 218-227.