phyllolepid
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Beacon sandstone — The Beacon sandstone is a geological formation exposed in Antarctica and deposited from the Devonian to the Triassic ( Ma|400| Ma|225Verify source|date=April 2008). The sandstone was originally described as a formation, and upgraded to group and… … Wikipedia
Austrophyllolepis — is an extinct genus of placoderm.References* [http://search.informit.com.au/documentSummary;dn=866097176771156;res=E LIBRARY A New Phyllolepid Placoderm Occurrence (Devonian Fish) from the Dulcie Sandstone, Georgina Basin, Central Australia.] … Wikipedia
