Original paper
The ontogeny of carboniferous arborescent Sphenopsida
Eggert, Donald A.
Palaeontographica Abteilung B Band 110 Lieferung 5-6 (1962), p. 99 - 127
published: Jun 15, 1962
Keywords
Carboniferous • Sphenopsida, ontogeny • Sphenopsida, carboniferous