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1 record found in the Index Nominum Genericorum database.

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Diacritical Conversion

Tyliosperma S. H. Mamay, Profess. Pap. U. S. Geol. Surv. 254: 92. 1954.
T.: T. orbiculatum S. H. Mamay
Seeds; Pennsylvanian; Kansas, U.S.A.
FOSSIL-GYMNOSPERMAE-PTERIDOSPERMOPHYTA (19) 9 Feb 1996

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