Gangamopteris

{{Short description|Extinct genus of plants}}

{{Italic title}}

{{Taxobox

| name = Gangamopteris

| fossil_range = Carboniferous- Permian {{fossil range|359.2|251}}

| image = Estampa-Gangamopteris-Buriadica-Hoelzel.png

| image_caption = Gangamopteris buriadica

| regnum = Plantae

| divisio = †Pteridospermatophyta

| classis = Gymnospermopsida

| ordo = Glossopteridales

| familia = Rigbyaceae

| genus = Gangamopteris

| genus_authority = McCoy, 1847

| subdivision_ranks = Species

| subdivision =

• G. angustifolia
• G. obovata
• G. sulriograndensis

}}

Gangamopteris is a genus of Carboniferous-Permian plants,{{cite journal

| author = Teichert, C.

| date = November 1, 1942 | title = Gangamopteris in the marine Permian of Western Australia

| journal = Geological Magazine

| volume = 79

| issue = 6

| pages = 321–327

| url = http://geolmag.geoscienceworld.org/cgi/content/abstract/79/6/321

| access-date = 2008-04-22

| doi = 10.1017/S0016756800074811

| bibcode = 1942GeoM...79..321T

}} very similar to Glossopteris.{{cite journal

| author = Surange, K.R.

| year = 1956

| title = Generic Status of Glossopteris, Gangamopteris and Palaeovittaria

| journal = Nature

| volume = 178

| issue = 4527

| pages = 270–271

| doi = 10.1038/178270a0

|bibcode = 1956Natur.178..270S | s2cid = 4250052

}} Previously, it was classified as fern with reproduction by seed. The genus is usually only applied to leaves, making it a form taxon. Gangamopteris dominates some coal deposits, such as those of the Beacon Supergroup.{{cite journal

| author = Gevers, T.W. |author2=Frakes, L.A. |author3=Edwards, L.N. |author4=Marzolf, J.E.

| year = 1971

| title = Trace Fossils in the Lower Beacon Sediments (Devonian), Darwin Mountains, Southern Victoria Land, Antarctica

| journal = Journal of Paleontology

| volume = 45

| issue = 1

| pages = 81–94

| jstor=1302754

}}

In Paleorrota geopark in Rio Grande do Sul, Brazil, were found Gangamopteris obovata. Were located on the Mina Morro do Papaléo in Mariana Pimentel and Quitéria in Pantano Grande. Dating from the Permian and were in the Rio Bonito Formation.[http://www.sbpbrasil.org/revista/edicoes/7_2/adami.pdf HERBIVORIA EM FLORAS GONDUÂNICAS DO NEOPALEÓZOICO DO RIO GRANDE DO SUL.] In the town of Cachoeira do Sul, met Gangamopteris sulriograndensis were discovered.[http://www.brasilcultura.com.br/antropologia/lancamento-do-livro-museus-e-fosseis-da-regiao-sul-do-brasil/MUSEUS & FOSSEIS DA REGIÃO SUL DO BRASIL.] Authors : Paulo César Manzig e Luiz Carlos Weinschütz. Comments: Book written in Portuguese and English.[http://www.periodicos.rc.biblioteca.unesp.br/index.php/geociencias/article/view/3558 NOVA ESPÉCIE DO GÊNERO GANGAMOPTERIS NO PERMIANO INFERIOR DA BACIA DO PARANÁ, RS, BRASIL]