News
Early Triassic Cyclidan Crustacean Had Powerful Jaws
2+ hour, 32+ min ago (739+ words) Paleontologists have described a new species of enigmatic cyclidan crustacean on the basis of three well-preserved specimens from the Early Triassic Guiyang biota of China. Yunnanocyclus fortis. Image credit: Sun et al., doi: 10.1002/spp2.70052. Cyclidans are a distinctive group of arthropods…...
Early Howler Monkeys Adapted to Eating Leaves 13 Million Years Ago
5+ day, 1+ hour ago (673+ words) Fossil jaws of the ancient monkey species Stirtonia victoriae from the La Victoria Formation in Colombia suggest that a shift toward leaf-eating allowed early primates in South America to grow larger and occupy new ecological niches. The discovery may also…...
275-Million-Year-Old Amphibian Relative with Twisted Jaws Rewrites Early Tetrapod Diets | Sci.News
6+ day, 3+ hour ago (723+ words) A new genus and species of archaic stem tetrapod from the Permian period has been identified from fossil jawbones found in Brazil. Named Tanyka amnicola, this strange amphibian relative had sideways-facing teeth and a rasp-like grinding surface, suggesting that some…...
Triassic Crocodile Relative May Have Learned to Walk on Two Legs
1+ week, 8+ hour ago (445+ words) Fossils from the Chinle Formation of Petrified Forest National Park in Arizona, the United States, reveal that Sonselasuchus cedrus, a species of shuvosaurid that lived about 215 million years ago (Triassic period), likely began life walking on four legs before shifting…...
Graecopithecus May Have Been Partially Bipedal, New Fossil Suggests
1+ week, 4+ day ago (717+ words) Graecopithecus freybergi lived 7.2 million years ago in the dust-laden savannah of the Athens Basin. This view from Graecopithecus freybergi's place of discovery, Pyrgos Vassilissis, to the southeast over the plain of Athens and under a reddish cloud of Sahara dust;…...
280-Million-Year-Old Fossil Provides Earliest Direct Evidence of Land Predators Attacking Herbivores
1+ week, 6+ day ago (416+ words) Paleontologists at the University of Toronto Mississauga have found dozens of tooth marks on the fossilized bones of three juveniles of Diadectes, one of the earliest large plant-eating vertebrates to walk on land. The scars offer what the researchers say…...
Fossil Amber Preserves Ecological Interactions between Ancient Ants and Other Organisms | Sci.News
2+ week, 3+ day ago (632+ words) Fossils trapped in amber aren't just beautiful, they may preserve real ecological interactions, including possible parasitism or commensal relationships between ants and mites, as revealed by a new, cutting-edge morphological study of six specimens of Baltic, Dominican and Burmese amber....
90-Million-Year-Old Patagonian Fossil Reveals Missing Chapter in Evolution of Alvarezsauroid Dinosaurs | Sci.News
2+ week, 5+ day ago (308+ words) Alnashetri cerropoliciensis lived in what is now Argentina during the Cenomanian age of Late Cretaceous epoch, some 90 million years ago. First described in 2012 from fragmentary remains, the species belongs to a group of bird-like dinosaurs called the Alvarezsauroidea. These small…...
Early Triassic Fossils from Australia Uncover Diverse Marine Amphibian Community
2+ week, 6+ day ago (11+ words) Early Triassic Fossils from Australia Uncover Diverse Marine Amphibian Community'Sci.News...
Early Homo Reached Jordan Valley by at Least 1.9 Million Years Ago | Sci.News
3+ week, 8+ hour ago (542+ words) New research recalibrates the age of the Jordan Valley's Ubeidiya Formation to nearly two million years, putting it on par with the famous site of Dmanisi in Georgia. This could mark a pivotal moment in human evolution " evidence that early…...