text-only page produced automatically by LIFT Text Transcoder Skip all navigation and go to page contentSkip top navigation and go to directorate navigationSkip top navigation and go to page navigation
National Science Foundation Home National Science Foundation - Computer & Information Science & Engineering (CISE)
Information & Intelligent Systems (IIS)
design element
IIS Home
About IIS
Funding Opportunities
Awards
News
Events
Discoveries
Publications
Career Opportunities
See Additional IIS Resources
View IIS Staff
CISE Organizations
Advanced Cyberinfrastructure (ACI)
Computing and Communication Foundations (CCF)
Computer and Network Systems (CNS)
Information & Intelligent Systems (IIS)
Proposals and Awards
Proposal and Award Policies and Procedures Guide
  Introduction
Proposal Preparation and Submission
bullet Grant Proposal Guide
  bullet Grants.gov Application Guide
Award and Administration
bullet Award and Administration Guide
Award Conditions
Other Types of Proposals
Merit Review
NSF Outreach
Policy Office
Additional IIS Resources
Data Sharing for Computational Neuroscience
Research on Data Confidentiality
Other Site Features
Special Reports
Research Overviews
Multimedia Gallery
Classroom Resources
NSF-Wide Investments

Email this pagePrint this page
All Images

Discovery
Pterosaur Heads Were Uniquely Adapted for Flight

Back to article | Note about images

several views of pterosaur skulls

Entombed in fossilized skulls of Rhamphorhynchus muensteri (upper, background) and Anhanguera santanae (lower, foreground) are the remains of semi-circular canals (shown in green), the inner-ear structures that assist in equilibrium maintenance by providing leveling information to the brain. When the respective canals are oriented to be level along a horizontal plane, the skull of Rhamphorhynchus is horizontal, while the skull of Anhanguera tilts downward. This positioning offers clues to feeding, flying and other behaviors of these dinosaurs.

Credit: Kyle McQuilkin and Ryan Ridgely, Ohio University


Download the high-resolution JPG version of the image. (279 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.



Email this pagePrint this page
Back to Top of page