HOME >> BIOLOGY >> NEWS
Feathers on reptile older than dinosaurs, reported in Science

Washington DC - A small, flying reptile older than most dinosaurs may have sported a set of feathers, suggests a study in the 23 June issue of Science. The evidence comes from a fossil approximately 220 million years old, about 75 million years older than the oldest known bird, Archeopteryx.

According to the interpretation by Terry Jones, of Oregon State University, and coauthors, the strong similarities between the fossil feathers and modern day bird feathers suggest an evolutionary link between the two.

Although the exact relationship between the reptile, named Longisquama insignis, and modern birds is uncertain, these findings may pose a challenge to the prevailing theory that birds evolved from dinosaurs. (See the related News article by Erik Stokstad, to be available on 21 June.)

Longisquama was an archosaur, a member of the group of reptiles that gave rise to dinosaurs, crocodiles, and birds. The lizard-like creature was "a little tiny guy, about ten inches long from head to tail," said coauthor John Ruben, also of Oregon State University. Elongated scales adorned Longisquama's long arms, perhaps for use in gliding, and its back.

According to coauthor Larry Martin, of the University of Kansas, the fossil was discovered more than three decades ago in central Asia by a Russian paleontologist who specialized in insects. When the scientist published the first report of the fossil in 1970, he described a row of long narrow appendages down the animal's back, interpreting them as a frill of extremely long scales.

Martin contends, however, that "the slightest breeze would have toppled the animal over" if the structure had been a frill.

A later Russian study revised the picture, describing two parallel rows of supposed scales and proposing that Longisquama may have been able to pivot to form a pair of wing-like structures. Still, the appendages continued to be described as scales.

"The scien
'"/>

Contact: Heather Singmaster
hsingmas@aaas.org
202-326-6414
American Association for the Advancement of Science
22-Jun-2000


Page: 1 2 3

Related biology news :

1. Specialized brain helped ancient reptiles fly and hunt
2. Worlds smallest reptile discovered in Caribbean
3. Ancient reptile is efficient chewer
4. Ancient running reptile was bipedal, say Science researchers
5. Newly found bipedal reptile fossil predates dinosaurs by more than 60 million years
6. Running out of reptiles
7. Medical imaging shows dinosaur heart more like birds or mammals than reptiles
8. Regular physical activity really does boost immune system in older men
9. Origin of West Indian insect eater much older than previously thought
10. Educational program increases some safety behaviors for older drivers
11. Ancient DNA mutations permitted humans to adapt to colder climates, UCI researchers find

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Feathers reptile older than dinosaurs reported

(Date:3/24/2015)... Markets ( http://www.researchandmarkets.com/research/kvdtcw/face_and_voice ) has announced the addition of ... report to their offering. This report analyzes the ... the following Segments: Face Biometrics, and Voice Biometrics. The report provides ... Japan , Europe , ... Africa , and Latin America ...
(Date:3/23/2015)... 2015   HOYOS Labs , a leading global ... that the Company will demonstrate multiple biometrics-based technologies under ... at Connect:ID on March 23 through 25, 2015, in ... highlight the IEEE Biometric Open Protocol Standard; free biometrics-based ... access control system. BOPS was invented by HOYOS Labs ...
(Date:3/20/2015)... --Research and Markets ( http://www.researchandmarkets.com/research/rswjb4/hand_geometry ) has announced ... Business Report" report to their offering. This ... Thousands. The report provides separate comprehensive analytics for the US, ... Europe , Asia-Pacific , ... Annual estimates and forecasts are provided for the ...
Breaking Biology News(10 mins):Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 2Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 3Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 4Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 5Face and Voice Biometrics - Global Strategic Business Report 2015: Face Recognition Gains Prominence in Immigration Control 6HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 2HOYOS Labs to Showcase Host of Biometrics Technologies at Connect:ID in Washington, D.C. 3Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 2Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 3Hand Geometry - Global Strategic Business Report 2015: An Essential Security Component for both Government & Enterprise Sector 4
(Date:5/6/2015)... Mich. , May 6, 2015 Paradigm ... will give the keynote address at the International Society ... in Phoenix, AZ at 9:45 ... The Odyssey" will focus on the historic and critical ... in shaping our personalized medicine revolution.  Furthermore, he will ...
(Date:5/6/2015)... California (PRWEB) May 06, 2015 ... Dots, a type of nanomaterial with diameter ranging ... product in the global nanophotonics materials market. The ... quantum dots due to quantum confinement effect render ... a wide range of scientific, technological, and commercial ...
(Date:5/6/2015)... , May 6, 2015  Northwest Biotherapeutics (NASDAQ: NWBO) ... therapies for solid tumor cancers, today announced that Linda Powers ... the Company,s DCVax cancer vaccine platform for solid tumor cancers ... 7, 2015.   , , , ... , , , TIME: , , , 12:15 PM EDT ...
(Date:5/6/2015)... , May 6, 2015 ... membrane specialist, announced today that it has signed an ... Ethanol, Inc. (Nasdaq: PEIX ) for the delivery of an industrial ... reduce the consumption of water, energy and ... output. This project is fully ...
Breaking Biology Technology:Paradigm CEO Dr. Robert Penny Presents Keynote Address at 2015 ISBER Conference 2Paradigm CEO Dr. Robert Penny Presents Keynote Address at 2015 ISBER Conference 3Expanding Applications & Full-Scale Commercialization to Drive the Global Quantum Dots Market, According to a New Report by Global Industry Analysts, Inc. 2Expanding Applications & Full-Scale Commercialization to Drive the Global Quantum Dots Market, According to a New Report by Global Industry Analysts, Inc. 3NW Bio To Webcast, Live, at VirtualInvestorConferences.com On May 7 2NW Bio To Webcast, Live, at VirtualInvestorConferences.com On May 7 3Whitefox Signs Agreement With Pacific Ethanol Inc. 2
Cached News: