A—Hemiaster planedeclivis, Gregory. Cainozoic (Janjukian). Morgan, S. Australia
B—Schizaster sphenoides, T. S. Hall. Cainozoic (Barwonian). Sherbrooke River, Victoria
C—Lovenia forbesi, T. Woods sp. Cainozoic (Janjukian). Murray River Cliffs, S. Australia
A clypeastroid, Peronella decagonalis has been described from the (?) Lower Pliocene of Papua.
Cainozoic Holothuroidea.—
The HOLOTHUROIDEA (Sea-Cucumbers) are represented in Australian deposits by a unique example of a dermal spicule of wheel-like form, referred to Chiridota, obtained from the Cainozoic (Janjukian) beds of Torquay. This genus is also known from the “calcaire grossier” or Middle Eocene of the Paris Basin, and is found living in all parts of the world.
COMMON OR CHARACTERISTIC FOSSILS OF THE FOREGOING CHAPTER.
CRINOIDS.
(?) Pisocrinus yassensis, Eth. fil. Silurian: New South Wales.
Helicocrinus plumosus, Chapman. Silurian: Victoria.