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RTAntarctica
 Devonian
 Lower Devonian
 Middle Devonian
 Mississippi
 New Zealand
 Tasmania Australia
 Tennessee
 Triassic
SNLower Devonian and Middle Devonian. W Tennessee and Mississippi. Also cited in Antarctica, Tasmania (Ross Sandstone, Triassic), and New Zealand. Indexed with ages and locations as applicable. Added to Thesaurus in 1993.