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Giant titanosaurs nested far from the equator, eggs found in southern Argentina
science1 hour ago

Giant titanosaurs nested far from the equator, eggs found in southern Argentina

Scientists uncovered 255 titanosaur eggshell fragments in Argentina’s Chorrillo Formation dating to about 68 million years ago at roughly 55–60°S, the highest-latitude nesting evidence for sauropods. The eggs were tiny compared with the giants—about 4 liters per clutch, with hatchlings around 4 kilograms—and likely hatched in mound nests warmed by decaying vegetation, suggesting titanosaurs nested far from the equator and possibly stayed at high latitudes seasonally or year‑round.

via Yahoo|
#argentina#chorrillo-formation#dinosaur-eggs
Giant titanosaurs nested at high southern latitudes, new eggs reveal
science16 hours ago

Giant titanosaurs nested at high southern latitudes, new eggs reveal

Scientists uncovered 255 titanosaur eggshell fragments dating to about 68 million years ago in Argentina’s Chorrillo Formation, showing titanosaurs nested at high southern latitudes (55–60°S)—far from the equator—likely using mound nests warmed by rotting plant material to incubate their porous eggs. These nests may have been communal, with hatchlings weighing about 4 kilograms, and the discovery suggests giant sauropods could reproduce year‑round at high latitudes, expanding our understanding of dinosaur behavior and adaptation.

via CNN|
#eggshells#high-latitude#nesting
France’s Ancient Nest: Hundreds of Dinosaur Eggs Unearthed in One Bed
science3 months ago

France’s Ancient Nest: Hundreds of Dinosaur Eggs Unearthed in One Bed

Paleontologists in Mèze, southern France, uncovered a late-Cretaceous fossil bed packed with hundreds of dinosaur eggs from multiple species—titanosaurs, Rhabdodon priscus, and Prismatoolithus caboti—indicating a communal nesting ground; rapid burial preserved many eggs, with excavations continuing to reveal more across an extended layer, potentially including embryos and insights into incubation.

via Indian Defence Review|
#communal-nesting#dinosaur-eggs#fossil-bed
India’s Massive Titanosaur Nesting Site Uncovered with 256 Eggs Across 92 Nests
science4 months ago

India’s Massive Titanosaur Nesting Site Uncovered with 256 Eggs Across 92 Nests

Researchers in central India uncovered a Late Cretaceous nesting site with 92 nests and 256 titanosaurs’ eggs, possibly used by multiple species; six egg types suggest diverse populations; no adult or hatchling bones found, indicating minimal parental care and incubation likely driven by sun and sediment; one ovum-in-ovo egg hints at bird-like reproductive traits.

via The Daily Galaxy|
#dinosaur-eggs#late-cretaceous#nesting-site
Hundreds of Dinosaur Eggs Unearthed From One Ancient French Nesting Ground
science5 months ago

Hundreds of Dinosaur Eggs Unearthed From One Ancient French Nesting Ground

In southern France’s Mèze area, paleontologists uncovered a fossil-rich horizon containing more than 100 dinosaur eggs dating to about 70–72 million years ago, indicating multiple species used the site for nesting, including titanosaurs and smaller dinosaurs such as ankylosaurs or theropods; exceptional preservation in clay marls and flood deposits allowed eggs to fossilize, and the museum on site now protects and showcases these discoveries.

via Indian Defence Review|
#ankylosaurs#dinosaur-eggs#nesting-site
Dinosaur Egg Inside Egg Reveals Bird-Like Reproduction in Titanosaurs
science6 months ago

Dinosaur Egg Inside Egg Reveals Bird-Like Reproduction in Titanosaurs

CT scans of 11 Late Cretaceous titanosaur eggs from India’s Lameta Formation uncovered a second inner shell inside one egg — an ovum-in-ovo structure previously known only in birds. The dual shells and microstructure indicate sequential egg development within the oviduct, suggesting titanosaurs had segmented oviducts and avian-like reproductive biology, a rare insight since the other eggs showed normal, single-shell architecture.

via The Daily Galaxy|
#dinosaurs#ovum-in-ovo#paleontology
Patagonian Titanosaur Yeneen houssayi Upends Titanosaur Evolution
science7 months ago

Patagonian Titanosaur Yeneen houssayi Upends Titanosaur Evolution

Paleontologists in Argentina have named a near-complete new titanosaur, Yeneen houssayi, from the Neuquén Basin; a roughly 10–12 m long, 8–10 t animal with a relatively small head, dating to about 83 million years ago, shedding light on two coexisting titanosaurs lineages (Collossosauria and Saltasauroidea) and highlighting Cerro Overo-La Invernada as a key fossil hotspot for Santonian life in Gondwana.

via Indian Defence Review|
#argentina#paleontology#saltasauroidea
"Shiva 'The Destroyer': Unearthing an Enormous Dinosaur"
paleontology2 years ago

"Shiva 'The Destroyer': Unearthing an Enormous Dinosaur"

A newly discovered 98-foot-long dinosaur named Bustingorrytitan shiva, after the Hindu god Shiva, is one of the largest titanosaurs ever recorded, weighing an estimated 74 tons. The fossils were found in western Argentina, and the discovery suggests the coexistence of different lineages of gigantic titanosaurs in the region during the middle Cretaceous period. The species name "shiva" references the Hindu deity who destroys and transforms the universe, and the findings shed light on a turnover event in the Cretaceous period.

via Livescience.com|
#argentina#dinosaur#paleontology
"Titanosaurs: Earth's Largest Land Animals with Reptile and Mammal Traits"
paleontology2 years ago

"Titanosaurs: Earth's Largest Land Animals with Reptile and Mammal Traits"

Titanosaurs, a lesser known group of sauropod dinosaurs, were the largest land animals on Earth, with nearly 100 species that varied greatly in size. Recent discoveries have revealed that they had a unique way of life, merging reptile and mammal characteristics. They originated in the Early Cretaceous Period and thrived on all seven continents, with evidence suggesting rapid growth rates similar to mammals. Fossil findings also indicate that titanosaurs had a diverse diet and high tooth-replacement rates, contributing to their biological success. If not for the asteroid impact 66 million years ago, these long-lived and diverse creatures would likely have continued to thrive.

via The Conversation|
#growth-rates#mammals#paleontology
"Titanosaurs: Earth's Largest Land Animals with a Unique Blend of Reptile and Mammal Traits"
paleontology2 years ago

"Titanosaurs: Earth's Largest Land Animals with a Unique Blend of Reptile and Mammal Traits"

Titanosaurs, a lesser known group of sauropod dinosaurs, were the largest land animals on Earth, with over 100 species that varied greatly in size. Recent discoveries have revealed that they combined reptile and mammal traits, such as rapid growth rates and high body temperatures, to thrive on all seven continents. Titanosaurs had a hands-off parenting style, and evidence suggests they reached their enormous adult sizes in just a few decades. Their prodigious appetites for plants and diverse diets contributed to their biological success. Unfortunately, they were among the victims of the asteroid impact that ended the age of dinosaurs.

via Yahoo! Voices|
#extinction#mammals#paleontology
Newly Discovered Dinosaur Species Shocks Scientists
science3 years ago

Newly Discovered Dinosaur Species Shocks Scientists

Researchers studying a fossil in South Africa have discovered what they believe to be a previously unknown species of dinosaur dating back almost 200 million years. The fossil, originally thought to be the arm of a larger dinosaur, is now believed to belong to a relative of titanosaurs. The discovery indicates that these types of dinosaurs could live to be much smaller as adults. The fossil weighs 70 kilograms, and researchers hope to find a more complete individual from which they can name the new species.

via ABC15 Arizona in Phoenix|
#dinosaurs#fossil#sauropodomorphs