The Echinoid Directory

Sanfilippaster Checchia-Rispoli, 1932, p. 313

Diagnostic Features	Test ovate with deep anterior sulcus; posterior face truncate. Test depressed in profile; ambitus rounded. Apical disc ethmophract with four gonopores; posterior of centre. Ambulacrum III deeply sunken aborally; wide and with walls vertical and converging towards ambitus so as to pinch out groove. Pore-pairs uniserial. Petals sunken; anterior petals long and flexed anteriorly; posterior petals less than half the length of the anterior petals and only weakly depressed; widely divergent. Peristome close to anterior border and facing forward into frontal groove. Labrum projecting to cover peristome in oral view. Plastron plating with short, triangular labral plate and symmetical sternal plates. Episternal plates biserially offset. Periproct on posterior truncate face. Peripetalous fasciole present; indented by one plate behind anterior petals.
Distribution	Upper Cretaceous (Upper Campanian to Maastrichtian), Europe, former SSU, North Africa, Middle East.
Name gender	masculine
Type	Proraster geayi Cottreau, 1908, p. 26, by original designation.
Species Included	S. geayi Cottreau, 1908; Upper Campanian and Maastrichtian, Madagascar, Arabian Peninsula, Libya. S. morgani (Cotteau & Gauthier, 1895); Campanian or Maastrichtian, Iran. S. centrosus (Cotteau & Gauthier, 1895); Campanian or Maastrichtian, Iran.
Classification and/or Status	Spatangoida, Hemiasterina, Hemiasteridae. Subjective junior synonym of Proraster
Remarks	Descriptions of the type species can be found in Smith (1995). Smith, A. B. 1995. Late Campanian-Maastrichtian echinoids from the United Arab Emirates-Oman borders region. Bulletin of the Natural History Museum, London (Geology Series) 51, 121-240.