Two new species of megasporangiate Sigillariostrobus Schimper (Sigillariostrobaceae) fructifications from the British Coal Measures
Thomas, B A ; Seyfullah, L J
Mitteilungen aus dem Museum für Naturkunde in Berlin. Fossil record, 2016, Vol.19 (1), p.1-9 [Periódico revisado por pares]Berlin: Copernicus GmbH
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