Author:

Baxter,R.W.

Year:

1963

Title:

Calamocarpon insignis, a new genus of Heterosporous, petrified Calamitean cones from the American Carboniferous.

Reference:

Baxter,R.W. (1963) Calamocarpon insignis, a new genus of Heterosporous, petrified Calamitean cones from the American Carboniferous. American Journal of Botany Vol. 50 # 5 P. 469- 476

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