• ‘Spinella’ Brachiopod

    April 30, 2013 Author: Richard
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    'Spinella' Brachiopod

    ‘Spinella’ Brachiopod

    ‘Spinella’ Brachiopod fossil from Yass Australia
    Australian Silurian. Silurian to Early Devonian 436-390 mya
    Phylum Brachiopoda, having bivalve dorsal and ventral shells enclosing a pair of tentacled, armlike structures that are used to sweep minute food particles into the mouth.

  • Proteus Trilobite

    April 30, 2013 Author: Richard
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    Proteus Trilobite

    Proteus Trilobite

    Proteus Trilobite from Yass Australia
    Australian Silurian. Silurian to Early Devonian 436-390 mya
    The absence of a cephalon (head) may indicate that this trilobite shed it’s exoskeleton, that settled and was buried in the tropical sea floor.