Neogene communal rodent burrow systems from central Argentina

MC Cardonatto, S Feola, RN Melchor - Historical Biology, 2024 - Taylor & Francis
Fossil tetrapod burrows from the Cerro Azul Formation (Late Miocene-Early Pliocene) of
southwestern Buenos Aires Province, Argentina, are described and interpreted. The local …

The Santa Vitória Alloformation: an update on a Pleistocene fossil-rich unit in Southern Brazil

RP Lopes, SR Dillenburg, JF Savian… - Brazilian Journal of …, 2021 - SciELO Brasil
Abstract The Santa Vitória Formation is a lithostratigraphic unit known for its fossil
assemblage of Pleistocene mammals, established in 1973 from sediments exposed along …

Large mammal burrows in late Miocene calcic paleosols from central Argentina: paleoenvironment, taphonomy and producers

MC Cardonatto, RN Melchor - PeerJ, 2018 - peerj.com
Large cylindrical sediment-filled structures interpreted as mammal burrows occur within the
loess-paleosol sequence of the late Miocene Cerro Azul Formation of central Argentina. A …

Megaichnus igen. nov.: Giant Paleoburrows Attributed to Extinct Cenozoic Mammals from South America

RP Lopes, HT Frank, FSC Buchmann, F Caron - Ichnos, 2017 - Taylor & Francis
In the last ten years, more than 1,500 large burrows have been discovered in southern and
southeastern Brazil, dug in rocks that include weathered granitic and basaltic rocks …

Dinosaurs and rivers on the edge of a desert: A first recognition of fluvial deposits associated to the Botucatu Formation (Jurassic/Cretaceous), Brazil

MIL de Manes, RC da Silva, SM Scheffler - Journal of South American …, 2021 - Elsevier
This work aimed to investigate the ichnofossiliferous sites in Nioaque and surrounding
region, Mato Grosso do Sul state, Brazil, analyzing their paleontological, stratigraphic and …

Paleoecology and diversity of Pliocene to Pleistocene fossorial mammals in the Pampean region of Argentina based on a quantitative analysis of fossil burrows

N Toledo, NA Muñoz, MS Bargo, V Krapovickas… - Palaeogeography …, 2024 - Elsevier
Pliocene and Pleistocene sedimentary successions in the Pampean region of Argentina
contain abundant and diverse fossil mammalian burrows. In this paper, we report fossil …

[PDF][PDF] Underground chamber systems excavated by Cenozoic ground sloths in the state of Rio Grande do Sul, Brazil

HT Frank, CE Althaus, EM Dario, FR Tramontina… - Revista Brasileira de …, 2015 - ufrgs.br
A regional survey of the caves of the state of Rio Grande do Sul, Brazil, listed hundreds of
caves with varied origins. Among these, we identified two large caves with special …

Quaternary fossil diversity of stingrays (Chondrichthyes: Myliobatiformes) from the eastern coast of South America, Brazil, southwestern Atlantic

T Britto, MA Rosa, S Medeiros, MC Oddone… - Journal of South …, 2024 - Elsevier
Sharks, rays, and chimeras have a limited fossil record compared to other taxa due to their
predominantly cartilaginous skeletal structure. Fossilization tends to preserve anatomic …

Mammalian predator–prey relationships and reoccupation of burrows in the Pliocene of the Pampean Region (Argentina): new ichnological and taphonomic evidence

M Cenizo, E Soibelzon, M Magnussen Saffer - Historical Biology, 2016 - Taylor & Francis
Here we describe an unusual fossil assemblage found inside a crotovine from the late
Pliocene Chapadmalal 'Formation'(Buenos Aires Province). This assemblage contains the …

Describing krotovinas: A contribution to methodology and interpretation

D Ponomarenko, E Ponomarenko - Quaternary international, 2019 - Elsevier
Filled mammal tunnels (krotovinas) are the most common traces in modern grassland soils
and trace fossils in loess paleosols. Krotovinas are still insufficiently used in …