Pentecopterus Hairs (image) BioMed Central Share Print E-Mail Caption These are Pentecopterus hairs. Scale bar 1 mm. Credit James Lamsdell Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.