The Rio do Rasto Formation is a
Late Permian
Late may refer to:
* LATE, an acronym which could stand for:
** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia
** Local-authority trading enterprise, a New Zealand business law
** Local average treatment effect, ...
sedimentary
Sedimentary rocks are types of rock (geology), rock that are formed by the accumulation or deposition of mineral or organic matter, organic particles at Earth#Surface, Earth's surface, followed by cementation (geology), cementation. Sedimentati ...
geological formation
A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics ( lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exp ...
in the
South Region of
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 official name is Rio do Rasto, although in some publications it appears as ''Rio do Rastro''.
Geography
It is found mainly in the Brazilian states of
Santa Catarina,
Paraná, and
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 ...
. It was formed during the
Late Permian
Late may refer to:
* LATE, an acronym which could stand for:
** Limbic-predominant age-related TDP-43 encephalopathy, a proposed form of dementia
** Local-authority trading enterprise, a New Zealand business law
** Local average treatment effect, ...
epoch of the
Permian period
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 Paleozo ...
.
Fossil content
The following fossils have been uncovered from the formation:
[Langer et al., 2008, p.1]
* Flora
** ''
Schizoneura''
** ''
Glossopteris
''Glossopteris'' tymology: from Ancient Greek γλῶσσα (glôssa, " tongue ") + πτερίς (pterís, " fern ")is the largest and best-known genus of the extinct Permian order of seed ferns known as Glossopteridales (also known as Arberia ...
''
** ''
Paracalamites''
** ''
Pecopteris
''Pecopteris'' is a very common form genus of leaves. Most ''Pecopteris'' leaves and fronds are associated with the marattialean tree fern ''Psaronius''. However, ''Pecopteris''-type foliage also is borne on several filicalean ferns, and at l ...
''
* Bivalves
** ''
Leinzia''
** ''
Palaeomutela''
** ''
Terraia''
* Gastropods
** ''
Pseudestheria''
** ''
Monoleiolophus''
** ''
Euestheria''
** ''
Asmussia''
** ''
Liograpta''
* Dicynodonts
** ''
Endothiodon
''Endothiodon'' (/ɛndoʊθiːoʊdɔːn/ "inner tooth" from Greek endothi (ἔνδοθῐ), "within", and odon (ὀδών), "tooth", most likely named for the characteristic of the teeth being placed internally to the maxillaBoos A. S., Schultz C ...
''
** ''
Rastodon procurvidens''
[Boos et al., 2016, p.4]
* Amphibians
** ''
Australerpeton cosgriffi''
** ''
Bageherpeton longignathus''
** ''
Konzhukovia sangabrielensis''
** ''
Parapytanga catarinensis''
** ''
Rastosuchus hammeri''
* Fish
** ''
Paranaichthys longianalis''
[''Paranaichthys longianalis'']
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
See also
*
List of dinosaur-bearing rock formations
This list of dinosaur-bearing rock formations is a list of geologic formations in which dinosaur fossils have been documented.
Containing body fossils
* List of stratigraphic units with dinosaur body fossils
** List of stratigraphic units with few ...
*
Fremouw Formation
The Fremouw Formation is a Triassic-age rock formation in the Transantarctic Mountains of Antarctica. It contains the oldest known fossils of tetrapods from Antarctica, including synapsids, reptiles and amphibians. Fossilized trees have also been ...
*
Irati Formation
Irati Formation is the name of a geological formation of the Paraná Basin in Brazil. It has previously been dated as Late Permian using palynomorphs, but is now dated as Early Permian using zircon ages obtained from bentonite layers. The base of ...
*
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 ...
References
Bibliography
*
* {{cite LSA , last=Langer , first=Max Cardoso , last2=Eltink , first2=Estevan , last3=Bittencour , first3=Jonathas de Souza , last4=Rohn , first4=R. , year=2008 , title=Uma janela paleobiológica para o Permiano continental Sul-americano , url=http://sigep.cprm.gov.br/sitio007/sitio007.pdf , publisher=Serra do Cadeado, PR , pages=1–17 , accessdate=2017-08-19
Geologic formations of Brazil
Permian System of South America
Permian Brazil
Changhsingian
Shale formations
Sandstone formations
Fluvial deposits
Formations
Permian southern paleotemperate deposits
Fossiliferous stratigraphic units of South America
Paleontology in Brazil
Formations
Formations
Formations
Formations
Formations
Formations