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Kotevski et al. (2025) describe new fossil material of theropods from the Lower Cretaceous Strzelecki Group and Eumeralla Formation , including the first carcharodontosaurian fossils from Australia, bones of large-bodied megaraptorids and a tibia of a member of Unenlagiinae. [35]
Reijenga & Close (2025) study the fossil record of Phanerozoic marine animals, and argue that purported evidence of a relationship between the duration of studied clades and their rates of origination and extinction can be explained by incomplete fossil sampling. [45] Maletz et al. (2025) revise Paleozoic fossils with similarities to feathers ...
Bao et al. (2025) redescribe Tigrivia baii. [17] Sánchez et al. (2025) argue that purported brood balls of dung beetles from the Eocene La Meseta Formation are not true trace fossils, and consider Patagonian trace fossils of Coprinisphaera to represent the southermost known record of this ichnotaxon. [18]
February 12, 2025 at 8:09 AM. By Will Dunham ... based on other fossils found in the area. The 19th century discovery of Archaeopteryx, now known from about a dozen specimens, lent support to ...
Fossils found in China may add a new branch to the human family tree. ... 2025 at 11:00 AM. Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter.
Doughty et al. (2025) use a mechanistic model to study the relationship between seed size of flowering plants, their light environment and the size of animals in their environment, and predict a rapid increase of seed size during the Paleocene that eventually plateaued or declined, likely as a result of the appearance of large herbivores that opened the understory, reducing the competitive ...
A 68-million-year-old skull fossil found in Antarctica has revealed the oldest known modern bird, ... February 5, 2025 at 8:56 AM. Sign up for CNN’s Wonder Theory science newsletter.
Đaković, Mrdak & Gawlick (2025) describe three assemblages of Anisian ammonoids from the Komarani and Bulog formations (), including fossils of Ptychites rugifer, Megaphyllites obolus, Parakellnerites rothpletzi, Apleuroceras decrescens, Proteusites labiatus, Tropigastrites lahontanus, Proarcestes pannonicus, Proarcestes subtridentinus and Aristoptychites sp. extending known geographical ...