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2 records found in the Index Nominum Genericorum database.

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Diacritical Conversion

Protocalamites F. Goebel, Centralbl. Mineral., Abt. B, Geol. Paläontol. 1906: 242. 1906.
Not validly published: no generic description or diagnosis, only 5 species described.
FOSSIL-CALAMOPHYTA (104) 23 Feb 2018

Diacritical Conversion

Protocalamites J. P. Lotsy, Vorträge Bot. Stammesgesch. 2: 528. 1909.
T.: non designatus
Stems; Lower Carboniferous.
FOSSIL-SPHENOPSIDA (104) 9 Feb 1996

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