''Samaropsis'' is a

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 ...

named by Goeppert in 1864. Later Sewart (1917) redefined the taxon to refer only to the

seed A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiospe ...

s.SEMENTES DO GÊNERO SAMAROPSIS GOEPPERT
/ref>

Location

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

, the fossil species ''S. gigas'', ''S. kurtzii'', ''S. millaniana'', ''S. rigbyi'' and ''S. seixasi'', have been recovered from the city of

Mariana Pimentel Mariana Pimentel is a municipality in the state of Rio Grande do Sul, Brazil. It is located approximately 75 km from the state's capital, Porto Alegre. Geography Mariana Pimentel belongs to Porto Alegre Metropolitan Mesoregion and to Porto ...

, in the state of

Rio Grande do Sul Rio Grande do Sul (, , ; "Great River of the South") is a Federative units of Brazil, state in the South Region, Brazil, southern region of Brazil. It is the Federative_units_of_Brazil#List, fifth-most-populous state and the List of Brazilian st ...

. The fossils are found in the ''Morro Papaléo'' outcrop,

Rio Bonito Formation The Rio Bonito Formation is a Formation (stratigraphy), geological formation of the Paraná Basin, Paraná and Pelotas Basins of Permian age. It is represented by a succession of cyclic sedimentary packages of sandstones, siltstones and shales whi ...

and date from the

Sakmarian In the geologic timescale, the Sakmarian is an age or stage of the Permian. It is a subdivision of the Cisuralian Epoch or Series. The Sakmarian lasted between 293.52 and million years ago (Ma). It was preceded by the Asselian and followed by t ...

stage in the

Permian The Permian ( ) is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic Period 251.9 Mya. It is the last period of the Paleoz ...

. Located in the geopark Paleorrota.

References

Prehistoric gymnosperm genera Conifer genera Cordaitales Paleozoic life of New Brunswick Paleozoic life of Nova Scotia Paleozoic life of Nunavut {{paleo-conifer-stub