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Callixylon

2 books found

The genus Callixylon from the Upper Devonian of central and western New York
The genus Callixylon from the Upper Devonian of central and ...

by Chester A. Arnold

1930 1 ed.
On Callixylon newberryi (Dawson) Elkins et Wieland
On Callixylon newberryi (Dawson) Elkins et Wieland

by Chester A. Arnold

1931 1 ed.