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ferns fossil

Untersuchungen von kohlig erhaltenen fertilen und sterilen Sphenophyllen und Formen unsicherer systematischer Stellung

By Winfried Remy

Note on a fern associated with Platephemera antiqua, Scudder

By John William Dawson

Les pecopteris du Bassin houiller du Nord de la France

By André Dalinval

Beiträge zur Kenntniss der Flora der Vorwelt

By Dionyz Štúr

Die Culm-Flora mährisch-schlesischen Dachschiefers

By Dionyz Štúr

Catalogue of the fossil remains

By Oene Posthumus

Paporotnikovidnye permi severa Predural'skogo progiba

By Lidiia Aleksandrovna Fefilova

A fossil solenostelic fern

By Edith May Kershaw

Fossil and contemporaneous spores of the family Schizaeaceae

By Natal'ia Andreevna Bolkhovitina

Spory gleǐkhenievykh paporotnikov

By Natal'ia Andreevna Bolkhovitina

Untersuchungen über einige Fruktifikationen von Farnen und Pteridospermen aus dem mitteleuropäischen Karbon und Perm

By Winfried Remy

A monograph of the British Eocene flora

By Gardner, John Starkie