Paleozoic seed fern pollen organs

Fossil plants of the carboniferous rocks of Great Britain

1923 • 192 citations

ANATOMY AND MORPHOLOGY OF PSILOPHYTON DAWSONII, SP. N. FROM THE LATE LOWER DEVONIAN OF QUEBEC (GASPE), AND ONTARIO, CANADA.

1975 • 96 citations

A critical review of the upper Pennsylvanian floras of eastern United States with notes on the Mazon Creek flora of Illinois

1969 • 93 citations

Die fossile Flora der Permischen Formation

1864 • 92 citations

Current status of the Progymnospermopsida

1976 • 73 citations

Archaeosperma arnoldii-A Cupulate Seed from the Upper Devonian of North America

1968 • 70 citations

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

1933 • 69 citations

Evidence of Pollen Tubes in Paleozoic Pteridosperms

1972 • 69 citations

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

2017 • 67 citations

TETRAXYLOPTERIS SCHMIDTII: ITS FERTILE PARTS AND ITS RELATIONSHIPS WITHIN THE ANEUROPHYTALES

1967 • 62 citations

Monographie der fossilen Coniferen

1850 • 60 citations

Rhacophyton from the Upper Devonian of West Virginia

1968 • 58 citations

Telangium Scotti, a new Species of Telangium (Calymmatotheca) showing Structure

1904 • 58 citations

Some Pteridosperm Stems and Fructifications with Particular Reference to the Medullosae

1949 • 58 citations

The ultrastructure and reproductive significance of Monoletes (Pteridospermales) pollen

1978 • 52 citations

THE MORPHOLOGY AND RELATIONSHIPS OF RHODEA, TELANGIUM, TELANGIOPSIS, AND HETERANGIUM

1976 • 50 citations

First Devonian platyspermic seed and its implications in gymnosperm evolution

1977 • 50 citations

Morphology and Ultrastructure of Four Pennsylvanian Prepollen Types

1978 • 47 citations

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

1974 • 43 citations

Telangiopsis Gen. Nov., an Upper Mississippian Pollen Organ from Arkansas

1971 • 42 citations

XV.—On Protopitys (Göppert): with a Description of a Fertile Specimen Protopitys scotica sp. nov. From the Calciferous Sandstone Series of Dunbartonshire.

1958 • 41 citations

Parasporotheca, Gen. Nov., and Its Bearing on the Interpretation of the Morphology of Permineralized Medullosan Pollen Organs

1978 • 40 citations

STUDIES OF PALEOZOIC MARATTIALEANS: THE MORPHOLOGY AND PHYLOGENETIC POSITION OF EOANGIOPTERIS GOODII SP. N.

1978 • 39 citations

The evolution of miospore polarity

1970 • 39 citations

Vi. Contributions to the knowledge of lower carboniferous plants. - Part III. - On the fossil-flora of the black limestones in Teila Quarry, Gwaenysgor, near Prestatyn, Flintshire, with special references to Diplopteridium teilianum KIDSTON sp. (gen, nov.) and some other fern-like fronds

1931 • 39 citations

V.—On the Fossil Flora of the Staffordshire Coal Fields.

1914 • 38 citations

Evolutionary trends in fossil gymnosperm pollen

1976 • 36 citations

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

1977 • 34 citations

RELLIMIA THOMSONII (PROGYMNOSPERMOPSIDA) FROM THE MIDDLE DEVONIAN OF NEW YORK STATE

1977 • 32 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

THE NATURAL AFFINITY OF THE CARBONIFEROUS SEED, CALLOSPERMARION

1970 • 29 citations

FERAXOTHECA GEN. N., A LYGINOPTERID POLLEN ORGAN FROM THE PENNSYLVANIAN OF NORTH AMERICA

1977 • 27 citations

IDANOTHEKION GEN. N., A SYNANGIATE POLLEN ORGAN WITH SACCATE POLLEN FROM THE MIDDLE PENNSYLVANIAN OF ILLINOIS

1970 • 27 citations

CALLANDRIUM CALLISTOPHYTOIDES, GEN. ET SP. NOV., THE PROBABLE POLLEN‐BEARING ORGAN OF THE SEED FERN, CALLISTOPHYTON

1970 • 26 citations

A NEW PTERIDOSPERM MALE FRUCTIFICATION FROM THE MIDDLE PENNSYLVANIAN OF ILLINOIS

1970 • 25 citations

X. On the microsporangia of the pteridospermeæ, with remarks on their relationship to existing groups

1906 • 25 citations

AN ANATOMICALLY PRESERVED POTONIEA WITH IN SITU SPORES FROM THE PENNSYLVANIAN OF ILLINOIS

1978 • 25 citations

STEWARTIOTHECA GEN. N. AND THE NATURE AND ORIGIN OF COMPLEX PERMINERALIZED MEDULLOSAN POLLEN ORGANS

1979 • 25 citations

Geminitheca scotica gen. et sp. nov. : a Pteridosperm from the Lower Carboniferous of Dunbartonshire

1959 • 22 citations

A probable pteridosperm microsporangiate fructification from the Pennsylvanian of Illinois

1964 • 20 citations

PTERIDOSPERMOUS PLANTS FROM THE PENNSYLVANIAN OF ILLINOIS AND MISSOURI

1937 • 20 citations

Fertile and sterile frond segments of the lyginopterid seed fern Feraxotheca

1978 • 19 citations

Pflanzenfossilien

1959 • 18 citations

THE SYNANGIATE NATURE OF DOLEROTHECA

1978 • 16 citations

The fossil Flora of Iowa Coal Balls: II. The Fructification of Botryopteris

1939 • 16 citations

POLLEN ORGANS OF THE PENNSYLVANIAN CALLISTOPHYTACEAE (PTERIDOSPERMOPSIDA)

1972 • 12 citations

A Petrified Example of Alcicornopteris (A. Hallei sp. nov.) from the Lower Carboniferous of Dunbartonshire

1949 • 12 citations

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

1907 • 12 citations

V.—On the Fructification of some Ferns from the Carboniferous Formation

1887 • 11 citations

On the Coal-Measure Plant, Aulacotheca

1941 • 11 citations

Synangia of North American Pennsylvanian Petrified Marattialeans

1976 • 10 citations

The Fructification, Calathiops Bernhardti, n. sp.

1935 • 9 citations

The Spores of Alcicornopteris hallei Walton

1962 • 8 citations

Canipa quadrifida, gen. et sp. nov., a Synangial Fructification from the Middle Pennsylvanian of West Virginia

1969 • 8 citations

Neuropteris tenuifolia with Carpons attached

1941 • 7 citations

The composition of melilite

1924 • 7 citations

ON A SPOROCARP PROBABLY ATTACHED TO A FROND OF NEUROPTERIS SCHLEHANI, STUR

1932 • 7 citations

On the Seeds of the Pteridosperm Emplectopteris Triangularis Halle^*

1932 • 6 citations

Nanoxanthiopollenites, anew monolete miospore from the upper pennsylvanian of Kansas

1976 • 4 citations

Note sur des empreintes deWhittleseya(?)fertilisKidston sp. trouvées dans le Houiller du Nord de la France

1914 • 4 citations

Étude géologique et paléontologique du carbonifère inférieur du Maconnais,

1901 • 2 citations

VIII.—On a new species of Schutzia from the Calciferous Sandstones of Scotland

1884 • 1 citations

VII.—On the spiders of Spitsbergen. Results of the Merton College Expedition to Spitsbergen in 1923.—No. 1

1924 • 1 citations