SULLITHECA DACTYLIFERA GEN. ET SP. N.: A NEW MEDULLOSAN POLLEN ORGAN AND ITS EVOLUTIONARY SIGNIFICANCE

The structure of certain fossil spore-bearing organs believed to belong to pteridosperms

1933 • 69 citations

Pteridosperm Male Fructifications: American Species of Dolerotheca, with Notes Regarding Certain Allied Forms

2017 • 67 citations

Upper Mississippian and Pennsylvanian megaspores and other plant microfossils from Illinois /

1959 • 54 citations

PROBABLE ATTACHMENT OF THE DOLEROTHECA CAMPANULUM TO A MYELOXYLON-ALETHOPTERIS TYPE FROND

1974 • 43 citations

HALLETHECA RETICULATUS GEN. ET SP. N.: A SYNANGIATE PENNSYLVANIAN PTERIDOSPERM POLLEN ORGAN

1971 • 30 citations

Codonotheca, a new type of spore-bearing organ from the Coal Measures

1903 • 29 citations

A NEW PTERIDOSPERM MALE FRUCTIFICATION FROM THE MIDDLE PENNSYLVANIAN OF ILLINOIS

1970 • 25 citations

Paracytic (Syndetocheilic) Stomata in Carboniferous Seed Ferns

1976 • 22 citations

NOTES ON THE SPORE‐BEARING ORGAN CODONOTHECA AND ITS RELATIONSHIP WITH THE CYCADOFILICES

1907 • 12 citations