HOME >> BIOLOGY >> NEWS
Two dinosaurs from Africa give clues to continents' split

The fossil skull of a wrinkle-faced, meat-eating dinosaur whose cousins lived as far away as South America and India has emerged from the African Sahara, discovered by a team led by University of Chicago paleontologist Paul Sereno. The find provides fresh information about how and when the ancient southern continents of Africa, South America and India separated.

The new species, which is 95 million years old, and a second new meat-eating species Sereno found on a separate expedition, help fill in critical gaps in the evolution of carnivorous dinosaurs on Africa. The species are described in a paper published online June 2 in the Proceedings of the Royal Society of London, Biological Sciences. The July issue of National Geographic magazine also will include an article on one of the dinosaurs. Sereno's research was funded by National Geographic, the David and Lucile Packard Foundation, the Pritzker Foundation and Nathan Myhrvold.

Sereno, a National Geogrpahic Explorer-in-Residence, has named the ancient skull Rugops primus, meaning "first wrinkle face." Measuring about 30 feet long in life, the animal had a short, round snout and small, delicate teeth, he said. It belongs to a group of southern carnivorous dinosaurs called abelisaurids.

The head of Rugops had a tough covering of scales or surface armor and was riddled with arteries and veins, leaving a crisscross of grooves on the skull. "It's not the kind of head designed for fighting or bone-crushing," Sereno said. Instead, he believes Rugops was a scavenger, using its head to pick at carrion rather than fighting other animals for food.

Sereno is puzzled by the presence of two neat rows of seven holes along the dinosaur's snout. He speculates that the holes anchored something ornamental, used by the animal for display. "This may have been a scavenger with head gear," he said. "It's really a beautiful intermediate species of the group that later evolved into the first horned preda
'"/>


1-Jun-2004


Page: 1 2 3

Related biology news :

1. A lost world: Two previously unknown dinosaurs discovered in Antarctica
2. Is this what killed the dinosaurs?
3. New study suggests missing link that explains how dinosaurs learned to fly
4. Scientist says ostrich study confirms bird hands unlike those of dinosaurs
5. Cosmic impacts implicated in both the rise and fall of dinosaurs
6. Venomous dinosaurs really existed
7. Newly found bipedal reptile fossil predates dinosaurs by more than 60 million years
8. Feathers on reptile older than dinosaurs, reported in Science
9. Researchers to announce remarkable fossil discovery bearing on ancient birds, dinosaurs
10. Were the last dinosaurs roasted alive?
11. Montana researcher co-authors Science article on Niger dinosaurs

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/13/2017)... According to a new market research report "Consumer IAM Market by Solution ... Authentication Type, Deployment Mode, Vertical, and Region - Global Forecast to 2022", ... 14.30 Billion in 2017 to USD 31.75 Billion by 2022, at a ... ... MarketsandMarkets Logo ...
(Date:4/11/2017)... 2017 NXT-ID, Inc. (NASDAQ:   NXTD ... the appointment of independent Directors Mr. Robin D. Richards ... of Directors, furthering the company,s corporate governance and expertise. ... Gino Pereira , Chief ... to their guidance and benefiting from their considerable expertise as ...
(Date:4/5/2017)... 4, 2017 KEY FINDINGS The ... at a CAGR of 25.76% during the forecast period ... primary factor for the growth of the stem cell ... MARKET INSIGHTS The global stem cell market ... and geography. The stem cell market of the product ...
Breaking Biology News(10 mins):
(Date:10/12/2017)... ... October 12, 2017 , ... ... analysis platform specifically designed for life science researchers to analyze and interpret ... Rosalind Franklin, who made a major contribution to the discovery of the ...
(Date:10/11/2017)... ... 11, 2017 , ... Proscia Inc ., a data ... titled, “Pathology is going digital. Is your lab ready?” with Dr. Nicolas Cacciabeve, ... and how Proscia improves lab economics and realizes an increase in diagnostic confidence.* ...
(Date:10/11/2017)... , ... October 11, 2017 , ... ... (FDA) has granted orphan drug designation to SBT-100, its novel anti-STAT3 (Signal Transducer ... treatment of osteosarcoma. SBT-100 is able to cross the cell membrane and bind ...
(Date:10/10/2017)... International research firm Parks Associates announced today that ... TMA 2017 Annual Meeting , October 11 in Scottsdale, ... security market and how smart safety and security products impact the competitive ... Parks Associates: Smart Home Devices: Main ... "The residential security market has experienced continued ...
Breaking Biology Technology:
Cached News: