''Sphenopteris'' is a
genus of
seed ferns containing the
foliage of various
extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...
plants, ranging from the Devonian to Late Cretaceous.
One species, ''S. höninghausi'', was transferred to the genus ''
Crossotheca
''Crossotheca'' is an extinct genus of seed ferns (Pteridospermatophyta) widespread in coal measures of Carboniferous, Permian and Triassic age,Andrews, N. H. (1970). Index of Generic Names of Fossil Plants, 1820-1965. ''Geological Survey Bulleti ...
'' in 1911.
Biology
The
frond of ''Sphenopteris'' could be up to long.
Distribution
In
Brazil, fossil of
form genus
Form classification is the classification of organisms based on their morphology, which does not necessarily reflect their biological relationships. Form classification, generally restricted to palaeontology, reflects uncertainty; the goal of s ...
''Sphenopteris'' was located in outcrop ''Morro Papalé'' in the city of
Mariana Pimentel. They are in the geopark Paleorrota in
Rio Bonito Formation and date from
Sakmarian in
Permian.
Afloramento Morro do Papaléo, Mariana Pimentel, RS
/ref> Fossils of ''Sphenopteris'' have also been found in the Valle Alto Formation
The Valle Alto Formation ( es, Formación Valle Alto, Jva) is a geological formation of the Central Ranges of the Colombian Andes. The formation is composed of shales, sandstones and conglomerates and dates to the Late Jurassic period. Ammonit ...
, Caldas, Colombia
Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...
, among many other locations.[''Sphenopteris'']
at Fossilworks
Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database
The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...
.org
References
External links
Jardin Botanico de Córdoba: Species tables
Pteridospermatophyta
Prehistoric plant genera
Devonian plants
Carboniferous plants
Mississippian plants
Pennsylvanian plants
Permian plants
Triassic plants
Jurassic plants
Early Cretaceous plants
Late Devonian first appearances
Cretaceous extinctions
Prehistoric plants of South America
Fossils of Brazil
Fossils of Colombia
Jurassic Colombia
Fossil taxa described in 1825
Fossils of Georgia (U.S. state)
Late Cretaceous plants
Paleozoic life of New Brunswick
Paleozoic life of Newfoundland and Labrador
Paleozoic life of Nova Scotia
Paleozoic life of Nunavut
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