Bizarre tail weaponry in a transitional ankylosaur from subantarctic Chile
Armoured dinosaurs are well known for their evolution of specialized tail weapons—paired
tail spikes in stegosaurs and heavy tail clubs in advanced ankylosaurs. Armoured dinosaurs …
tail spikes in stegosaurs and heavy tail clubs in advanced ankylosaurs. Armoured dinosaurs …
Relict duck-billed dinosaurs survived into the last age of the dinosaurs in subantarctic Chile
In the dusk of the Mesozoic, advanced duck-billed dinosaurs (Hadrosauridae) were so
successful that they likely outcompeted other herbivores, contributing to declines in dinosaur …
successful that they likely outcompeted other herbivores, contributing to declines in dinosaur …
First monotreme from the Late Cretaceous of South America
NR Chimento, FL Agnolín, M Manabe, T Tsuihiji… - Communications …, 2023 - nature.com
Monotremata is a clade of egg-lying mammals, represented by the living platypus and
echidnas, which is endemic to Australia, and adjacent islands. Occurrence of basal …
echidnas, which is endemic to Australia, and adjacent islands. Occurrence of basal …
New records of Theropoda from a Late Cretaceous (Campanian-Maastrichtian) locality in the Magallanes-Austral Basin, Patagonia, and insights into end Cretaceous …
The end Cretaceous mass extinction was marked by a dramatic change in biodiversity, and
the extinction of all non-avian dinosaurs. To understand the diversity of dinosaur clades prior …
the extinction of all non-avian dinosaurs. To understand the diversity of dinosaur clades prior …
Phylogenomics illuminates the evolution of orb webs, respiratory systems and the biogeographic history of the world's smallest orb-weaving spiders (Araneae …
The miniature orb weaving spiders (symphytognathoids) are a group of small spiders (< 2
mm), including the smallest adult spider Patu digua (0.37 mm in body length), that have …
mm), including the smallest adult spider Patu digua (0.37 mm in body length), that have …
A new fossil Acmopyle with accessory transfusion tissue and potential reproductive buds: Direct evidence for ever‐wet rainforests in Eocene Patagonia
A Andruchow‐Colombo… - American journal of …, 2023 - Wiley Online Library
Abstract Premise Acmopyle (Podocarpaceae) comprises two extant species from Oceania
that are physiologically restricted to ever‐wet rainforests, a confirmed fossil record based on …
that are physiologically restricted to ever‐wet rainforests, a confirmed fossil record based on …
Early Late Cretaceous mammals from southern Patagonia (Santa Cruz province, Argentina)
Abstract The Upper Cretaceous (Cenomanian) Mata Amarilla Formation in western central
Santa Cruz province of Argentina has yielded fragmentary teeth of a large? docodontan, an …
Santa Cruz province of Argentina has yielded fragmentary teeth of a large? docodontan, an …
Late Campanian-early Maastrichtian vertebrates from the James Ross Basin, West Antarctica: updated synthesis, biostratigraphy, and paleobiogeography
MA Reguero, Z Gasparini, EB Olivero… - Anais da Academia …, 2022 - SciELO Brasil
Abstract The Snow Hill Island Formation (SHIF; late Campanian–early Maastrichtian) crops
out in the northeast of the Antarctic Peninsula and constitutes the basal part of the late …
out in the northeast of the Antarctic Peninsula and constitutes the basal part of the late …
Reconstructing Cenozoic Patagonian biotas using multi-proxy fossil records
The fossil record from Cenozoic sediments provides a great deal of information that has
direct bearing on the early assembling of modern Patagonian ecosystems. In this synthesis …
direct bearing on the early assembling of modern Patagonian ecosystems. In this synthesis …
The rise and fall of notoungulates: How Andean uplift, available land area, competition, and depredation driven its diversification dynamics
A Solórzano, M Núñez-Flores… - Gondwana Research, 2024 - Elsevier
Unraveling the biotic and abiotic drivers likely influencing clades' diversification dynamics
(differential speciation and extinction rates) is crucial for understanding life on Earth. Here …
(differential speciation and extinction rates) is crucial for understanding life on Earth. Here …