Navigation Links
First fossil bird with teeth specialized for tough diet
Date:1/6/2013

DEERFIELD, IL-Beak shape variation in Darwin's finches is a classic example of evolutionary adaptation, with beaks that vary widely in proportions and shape, reflecting a diversity of ecologies. While living birds have a beak to manipulate their food, their fossil bird ancestors had teeth. Now a new fossil discovery shows some fossil birds evolved teeth adapted for specialized diets.

A study of the teeth of a new species of early bird, Sulcavis geeorum, published in the latest issue of the Journal of Vertebrate Paleontology, suggests this fossil bird had a durophagous diet, meaning the bird's teeth were capable of eating prey with hard exoskeletons like insects or crabs. The researchers believe the teeth of the new specimen greatly increase the known diversity of tooth shape in early birds, and hints at previously unrecognized ecological diversity.

Sulcavis geeorum is an enantiornithine bird from the Early Cretaceous (121-125 million years ago) of Liaoning Province, China. Enantiornithine birds are an early group of birds, and the most numerous birds from the Mesozoic (the time of the dinosaurs). Sulcavis is the first discovery of a bird with ornamented tooth enamel. The dinosaurs from which birds evolved are mostly characterized by carnivorous teeth with special features for eating meat. The enantiornithines are unique among birds in showing minimal tooth reduction and a diversity of dental patterns. This new enantiornithine has robust teeth with grooves on the inside surface, which likely strengthened the teeth against harder food items.

No previous bird species have preserved ridges, striations, serrated edges, or any other form of dental ornamentation. "While other birds were losing their teeth, enantiornithines were evolving new morphologies and dental specializations. We still don't understand why enantiornithines were so successful in the Cretaceous but then died out maybe differences in diet
'/>"/>

Contact: Cody Mooneyhan
cmooneyhan@faseb.org
301-634-7104
Society of Vertebrate Paleontology
Source:Eurekalert  

Page: 1 2

Related biology news :

1. The first genome sequence of Chinese plum provides important resource for fruit improvement
2. OpGen announces sequence assembly and finishing of first reference genome of domestic goat
3. The first goat genome sets a good example for facilitating de novo assembly of large genomes
4. First freshwater mosasaur discovered
5. First evidence of fish sensing geomagnetic fields from a Czech Christmas market
6. Africas Homo sapiens were the first techies
7. Surgical Theater, LLC sells first Surgical Rehearsal Platform to UH Case Medical Center
8. First evidence of ocean acidification affecting live marine creatures in the Southern Ocean
9. Researchers decode birch tree genome sequence for the first time
10. State of Nuevo León first to benefit from improved nationwide air quality information system
11. Israels first Green Roofs Ecology research center dedicated at University of Haifa
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
First fossil bird with teeth specialized for tough diet
(Date:9/16/2014)... , Sept. 16, 2014  Cross Match ... management solutions, announced today the launch of its ... authenticate the identity of an individual using their ... Verifier Sentry rapidly reads credential documents with embedded ... by matching the biometric to a live scan ...
(Date:9/15/2014)... 15, 2014) The so-called central dogma of ... long provided a simplified explanation for how genetic ... , In reality, of course, the process ... articulated nearly 60 years ago by Nobel Laureate ... For one, there are multiple types of RNA, ...
(Date:9/15/2014)... research has determined that a single group of microorganisms ... B12 production in the oceans, with implications for the ... B12 is an essential molecule required by most life ... relatively small group of microorganisms because it is so ... key role in maintaining the brain and nervous systems, ...
Breaking Biology News(10 mins):Cross Match Launches New Identity Management Handheld Solution 2Scientists discover RNA modifications in some unexpected places 2Researchers discover new producer of crucial vitamin 2
... application of biosolids (treated municipal sewage sludge) is a ... plant nutrients and organic matter. However, the presence of ... that farmland application may result in accumulation of dioxins ... food chain because several congeners of dioxins have extremely ...
... remotely piloted aircraft carrying a NASA sensor flew over ... will be used to help fight more than 300 ... for next week. The flights by NASA,s ... Scanner developed at NASA,s Ames Research Center at Moffett ...
... In one of the first studies to link ... published in the August issue of the ... serious and violent delinquencythat gain predictive precision when ... friends and school processes. Sociologists from the ...
Cached Biology News:Dioxin risk in soil and plant tissues after long-term biosolids application 2NASA responds to California wildfire emergency imaging request 2NASA responds to California wildfire emergency imaging request 3Sociological research shows combined impact of genetics, social factors on delinquency 2
(Date:9/16/2014)... RENU 28, the world's first and only skin ... purchase in Australia and New Zealand in mid-August . , ... The tour will make stops in Brisbane on September 16, ... Sydney on the 20th, and Melbourne on the 22nd. , ... and to educate people about the new product and business ...
(Date:9/15/2014)... 2014 Cancer Immunotherapy Market ... T-cell Therapies is a new market research report ... three principal types of therapeutics that have become ... cancer immunotherapy (which is often called "immuno-oncology") in ... Adoptive cellular immunotherapy. , The regular use ...
(Date:9/15/2014)... developed a technique for controlling the surface tension of ... door to a new generation of reconfigurable electronic circuits, ... fact that the oxide "skin" of the metal ... a surfactant, lowering the surface tension between the metal ... liquid metal alloy of gallium and indium. In base, ...
(Date:9/15/2014)... Northeastern University has developed a novel method for ... of nanocarbon structures in carbon nanotube arrays. The ... allow the researchers to tailor the physical properties ... from electronic devices to CNT-reinforced composite materials found ... Their findings were published in the journal ...
Breaking Biology Technology:Global Wellness Company Hosts ASEA Australia Tour September 16-22 2Cancer Immunotherapy Market: Immune Checkpoint Inhibitors, Cancer Vaccines, and Adoptive T-cell Therapies 2Cancer Immunotherapy Market: Immune Checkpoint Inhibitors, Cancer Vaccines, and Adoptive T-cell Therapies 3Cancer Immunotherapy Market: Immune Checkpoint Inhibitors, Cancer Vaccines, and Adoptive T-cell Therapies 4Cancer Immunotherapy Market: Immune Checkpoint Inhibitors, Cancer Vaccines, and Adoptive T-cell Therapies 5Researchers control surface tension to manipulate liquid metals 2Northeastern University Researchers Develop Novel Method for Working with Nanotubes 2
... Pa. , Feb. 2 Fibrocell Science, ... on the development of regenerative cell therapy for aesthetic, ... Pernock , Chairman of the Board of Directors, has ... most recently served as Senior Vice President (SVP), Pharmaceuticals, ...
... , LIVERPOOL, February 2 ... Cambian healthcare Noel Tracey to lead its,expanding Community ... Noel has more than 15 years, experience of senior management ... In his previous role as,director of operations at Cambian Healthcare, ...
... ... the life of the International Space Station (ISS) to 2020 or beyond. , ... (Vocus) February 1, 2010 -- Astrogenetix is ... Station (ISS) to 2020 or beyond. , ,Thomas B. Pickens III, Chairman of Astrogenetix, Inc.:, ...
Cached Biology Technology:Fibrocell Science, Inc. Names David Pernock Chief Executive Officer 2Fibrocell Science, Inc. Names David Pernock Chief Executive Officer 3Noel Tracey to Head Up Gray Healthcare Recovery Team 2Astrogenetix Statement On Nasa's Fiscal Year 2011 Budget Announcement 2
... CLS number is a ... to easily match Cornings ... no availability yet, please ... Sigma-Aldrich number (Z71,515-8) or ...
...
... a fast, easy to use, reproducible and ... are 15 times faster and 5 times ... 5%). ,The VoluPAC tubes enable the determination ... a cell suspension, resulting in absolute data ...
... Maximize the value of your ... We offer the support you need ... using the most up to date ... with the Gene Expression Profiling Service ...
Biology Products: