Pomphorhynchus laevis (image) Brigham and Women's Hospital Caption This is an artistic rendition of the spiny-headed worm, Pomphorhynchus laevis. Credit Image courtesy of Karp lab. Usage Restrictions Only use in relation to press release. 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.