Research graph
References from Rhabdosporites langii, Geminospora lemurata and Contagisporites optivus: an origin for heterospory within the progymnosperms. Local targets link to admitted publications; unresolved targets remain external evidence.
Lower and Middle Devonian spores of North and Central Vestspitsbergen
1965 · External reference
A review of in situ Late Silurian and Devonian spores
10.1016/0034-6667(80)90062-7 · 1980 · External reference
Svalbardia and the “corduroy” plant from the Devonian of the Shetland Islands, Scotland
1986 · External reference
Depositional environments and palynology of the Devonian South-east Shetland Basin
10.1144/sjg17040257 · 1981 · External reference
The palaeogeography of the Middle Devonian Lower Eday Sandstone
10.1144/sjg21030353 · 1985 · External reference
The Devonian lacustrine sediments of Orkney, Scotland; implications for climatic cyclicity, basin structure and maturation history
10.1144/gsjgs.147.1.0141 · 1990 · External reference
Middle and Upper Devonian miospore zonation of Eastern Europe
1993 · External reference
Upper Devonian (Frasnian) spores from the Carnarvon Basin, Western Australia
1962 · External reference
Heterospory: the most iterative key innovation in the evolutionary history of the plant kingdom
10.1111/j.1469-185x.1994.tb01276.x · 1994 · External reference
Progymnosperms
1988 · External reference
International Devonian goniatite zonation, Emsian to Givetian, with new records from Morocco
1994 · External reference
Influence of the changing lunar orbit on the astronomical frequencies of Pre-Quaternary insolation patterns
10.1029/pa004i005p00555 · 1989 · External reference
Pre-Quaternary Milankovitch frequencies
10.1038/342133b0 · 1989 · External reference
Biostratigraphical correlations between Siluro-Devonian invertebrate-dominated and vertebrate-dominated sequences: the East Baltic example
1988 · External reference
Tetraxylopteris schmidtii: its fertile parts and its relationships within the Aneurophytales
10.1002/j.1537-2197.1967.tb10697.x · 1967 · External reference
Unresolved reference
1994 · External reference
The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland
10.1017/s0080456800009546 · 1958 · External reference
Heterospory: culde-sac or pathway to the seed
1991 · External reference
The inevitable seed
1987 · External reference
Biostratigraphy and taxonomy of Devonian megaspores, Arctic Canada
1976 · External reference
The age of two Old Red Sandstone sequences in southern Caithness
10.1144/sjg13010053 · 1977 · External reference
Origins of heterospory and the seed habit: the role of heterochrony
10.2307/1220881 · 1989 · External reference
Über einige pflanzliche funde in Geschieben, nebst Bemerkungen zum Hystrichosphaerideen-Proble
1944 · External reference
The Old Red Sandstone of the Orkneys
10.1017/s008045680003413x · 1898 · External reference
Chronometric calibration of mid-Ordovician to Tournaisian conodont zones: a compilation of recent graphic-correlation and isotope studies
10.1017/s001675680000844x · 1992 · External reference
A model for the origin of heterospory
10.1016/s0022-5193(88)80203-0 · 1988 · External reference
A Geologic Time Scale 1989
1990 · External reference
Devonian palynology of Saudi Arabia
10.1016/0034-6667(67)90208-4 · 1967 · External reference
Organic maturation, thermal history and hydrocarbon generation in the Orcadian Basin, Scotland
10.1144/gsjgs.149.4.0491 · 1992 · External reference
Devonian sedimentary microrhythms and a Givetian time scale
1992 · External reference
Devonian precessional and other signatures for establishing a Givetian timescale
1995 · External reference
Milankovitch cyclicity recorded from Devonian non-marine sediments
10.1111/j.1365-3121.1992.tb00599.x · 1992 · External reference
Aspects of the micropalaeontology of Devonian strata of North Devon
1990 · External reference
A new archaeopteridalean plant from the Devonian of Pavlovsk, U.S.S.R.
10.1016/0034-6667(87)90012-1 · 1987 · External reference
The biostratigraphy and structure of the Pulo do Lobo domain and Iberian Pyrite Belt Domain within Huelva Province, southwest Spain
1991 · External reference
A study of the fructification of Milleria (Protopteridium) thomsonii Lang from the Middle Devonian of Belgium
1971 · External reference
Middle Devonian (Givetian) plant microfossils from Goé (Belgium)
1969 · External reference
Middle-Upper Devonian miospores from the Ghadamis Basin (Tunisia-Libya): systematics and stratigraphy
10.1016/0034-6667(89)90084-5 · 1989 · External reference
Miospores du Dévonien moyen et supérieur du Bassin du Parana, Brésil: systématique et stratigraphie
1988 · External reference
Miospores, the lemurata and triangulatus levels and their faunal indices near the Eifelian/Givetian boundary in the Eifel (F.R.G.)
1991 · External reference
Insculptospora, a new genus of Devonian camerate spore with a sculptured intexine
1985 · External reference
Devonian miospores from Papa Stour, Shetland
10.1017/s0263593300014073 · 1988 · External reference
Palynostratigraphy of the Middle Devonian Stromness Group, Orkney, Scotland
1992 · External reference
The vegetational history of Devonian spores
1996 · External reference
Functional heterospory in Devonian miospore populations
1980 · External reference
Devonian miospore assemblages from Fair Isle, Shetland
1982 · External reference
Essai de synthe se stratigraphique et palynologique du système dévonien en Libye occidentale
10.2516/ogst:1976010 · 1976 · External reference
Spores with proximal radial pattern from the Devonian of Canada
1961 · External reference
Lower and Middle Devonian spores of eastern Gaspé, Canada. I. Systematics
1973 · External reference
Upper Silurian(?) to Middle Devonian spores of the Moose River Basin, Ontario
1976 · External reference
Middle Devonian miospores from the Cape De Bray, Weatherall, and Hecla Bay formations of northeastern Melville Island, Canadian Arctic
1982 · External reference
The Ordovician, Silurian and Devonian Periods
1985 · External reference
Les spores du Dévonien de Libye, deuxieme partie
1980 · External reference
The palynology of the concealed Devonian rocks of southern England
1972 · External reference
Orkney and Shetland
1976 · External reference
Upper Devonian spore-pollen assemblages of the Russian Platform and their stratigraphic significance
1953 · External reference
Miospores from the Middle and early Upper Devonian rocks of the western Queen Elizabeth Islands, Arctic Archipelago
1971 · External reference
Middle Devonian spores from the Latvian S.S.R.
1960 · External reference
A catalogue of fossil vertebrates in the Royal Scottism Museum, Edinburgh. Part 6, Placodermi
1981 · External reference
Two heterosporous species of Archaeopteris from the Upper Devonian of West Virginia
1972 · External reference
Lower Carboniferous spores from the Bonaparte Gulf Basin, Western Australia and Northern Territory
1971 · External reference
The Devonian miospore genus Geminospora Balme, 1962 a reappraisal based upon topotypic G. Lemurata (type species)
1983 · External reference
Spores from the Middle Old Red Sandstone of Cromarty, Scotland
1960 · External reference
Spores with bifurcate processes from the Middle Old Red Sandstone of Scotland
1962 · External reference
Middle Old Red Sandstone spore assemblages from the Orcadian Basin, north-east Scotland
1965 · External reference
Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions
1986 · External reference
Palynomorphs in Lower Devonian sediments from the Apley Barn borehole, southern England
1977 · External reference
Die Mitteldevon-flora von Lindlar (Rheinland) 2. Sporae dispersae
1968 · External reference
Sporenformen aus den Heisdorf-, Lauch- und Nohn-Schichten (Emsium und Eifelium) der Eifel, Rheinland
1973 · External reference
Palynological aspects of the Lower/Middle Devonian transition in the Eifel region
1982 · External reference
Paleobotany and the Evolution of Plants
1993 · External reference
Observations on the establishment of a Devonian and Lower Carboniferous high-resolution miospore biostratigraphy
10.1016/0034-6667(94)90074-4 · 1994 · External reference
Spore stratigraphy and correlation with faunas and floras in the type marine Devonian of the Ardenne-Rhenish regions
10.1016/0034-6667(87)90001-7 · 1987 · External reference
The Biology and Evolution of Fossil Plants
1993 · External reference
Diversity and major events in the evolution of land plants
1981 · External reference
The Evolution and Palaeobiology of Land Plants
1986 · External reference
Palynological studies in the Lower and Middle Devonian of the Prüm Syncline, Eifel (Germany)
1975 · External reference
Palynostratigraphy of the Catskill and part of the Chemung Magnafacies, southern New York State, USA
1994 · External reference
Size distribution in some Middle Devonian dispersed spores and its bearing on the problem of the evolution of heterospory
10.1016/0034-6667(87)90067-4 · 1987 · External reference
Spores from Devonian deposits, Mimerdalen, Spitsbergen
1964 · External reference
The Geology of the Orkneys
1935 · External reference