-
Arbacia dufresnii (aboral view), Icefish Station 12, Falkland Islands, depth 70 -79 m, southwest Atlantic.
-
Austrocidaris canaliculata / left: complete view, upper right: oral view, lower right: apical view.
-
Austrocidaris spinulosa / left: complete view, right: detail of primary spines.
-
Brisaster antarcticus / left: apical view, right: oral view.
-
Brisaster moseleyi / left: apical view, right: oral view.
-
Ceratophysa ceratopyga / upper right: oral view, lower left: lateral view, (after A. Agassiz, 1881).
-
Ctenocidaris geliberti.
-
Ctenocidaris perrieri / left: complete view, right: detail of the oral view.
-
Ctenocidaris polyplax / left: apical view, right: oral view (after Mortensen, 1950).
-
Ctenocidaris rugosa / upper view: primary spine, lower view: oral side.
-
""Ctenocidaris speciosa ""typical form"" / left: oral view, upper right: detail of the peri-oral area, lower right: primary spine.""
-
""Ctenocidaris speciosa ""alleni form"" (after Fell, 1976).""
-
Ctenocidaris spinosa / left: complete view, upper right: primary spine, lower right: peri-oral view with oral primaries.
-
Cystechinus wyvillii / left: apical view, right: oral view, lower part: lateral view.
-
Dermechinus horridus / left: lateral view, upper right: apical system, lower right: oral view.
-
Echinocrepis cuneata / left: apical view, right: lateral view, (after A. Agassiz, 1881).
-
Helgocystis carinata / upper view: oral side, lower view: lateral side, (after A. Agassiz, 1881).
-
Kamptosoma asterias / left: apical view, right: oral view (after Mortensen, 1935).
-
Loxechinus albus / left: apical view, right: oral view.
-
Notocidaris gaussensis / upper view: apical side, lower view: primary spine.
-
Notocidaris lanceolata.
-
Notocidaris mortenseni / left: complete view, upper view: upper primary spine, right view: oral primary spines.
-
Notocidaris platyacantha.
-
Notocidaris remigera / left: oral side, right: complete view.