In new research, ornithologists from Drexel University, the Delaware Museum of Nature & Science, and Burke Museum of Natural History and Culture conducted...
The new fossil material belonging to Anachlysictis gracilis, including an almost complete specimen consisting of a nicely preserved skull and postcranial...
For the first time, footprints made by an extinct terror bird (family Phorusrhacidae) have been identified by paleontologists.
Holotype trackway of Rionegrina...
Saurosuchus galilei, a large loricatan pseudosuchian archosaur that lived in South America 230 million years ago (Late Triassic epoch), was thought to...
A new genus and species of pterosaur precursor has been described from a 230-million-year-old partial skeleton found in southern Brazil.
Life reconstruction...
The only known specimen of the small spotted cat species Leopardus narinensis was found on the Galeras Volcano in southern Colombia in 1989.
The tigrina...
Perucetus colossus substantially pushes the upper limit of skeletal mass in mammals, as well as in aquatic vertebrates in general. This early basilosaurid...
Bees are the most significant pollinators of flowering plants. This partnership began approximately 120 million years ago, but the uncertainty of how and...
Living amphibians include frogs and salamanders and the limbless worm-like caecilians (order Gymnophiona). Caecilians have cylindrical bodies with a compact,...
Archaeologists in Brazil say they have unearthed 25,000- to 27,000-year-old pendants made of bony material from the extinct giant ground sloth Glossotherium...
Gonkoken nanoi is the first non-hadrosaurid duck-billed dinosaur known from the southern supercontinent of Gondwana.
Gonkoken nanoi. Image credit: Gabriel...
Paleontologists have examined an almost complete skeleton of Macrocollum itaquii, an unaysaurid sauropodomorph dinosaur that lived in what is now Brazil...
Researchers have described a new species of the fish genus Sturisoma from Madeira River basin in Bolivia and Brazil.
Live specimen of Sturisoma reisi from...
Scientists from the Florida Museum of Natural History and elsewhere have sequenced 391 genes from nearly 2,300 butterfly species, sampled from 90 countries...
Titanosaurian sauropod dinosaurs were diverse and abundant throughout the Cretaceous period, with a global distribution. However, few titanosaurian species...
Patagorhynchus pascuali represents the first Cretaceous toothed monotreme from the supercontinent Gondwana.
Life reconstruction of Patagorhynchus pascuali....
The newly-discovered species, Hyloscirtus tolkieni, belongs to the stream-breeding treefrog genus Hyloscirtus; its specific epithet, tolkieni, is in honor...
A new genus and species of giant colossosaurian titanosaur has been identified from fossils found in Patagonia, Argentina.
An artist’s reconstruction...