ACKNOWLEDGMENTS
We are grateful to L. Costeur (NMB) for his help with matters pertaining to geology, P. Scofield (Canterbury Museum, New Zealand) for his help with the determination of the material and for providing photos of comparative material, R. Allain (MNHN) for providing access to the material in MNHN, and C. Mourer-Chauviré for providing photographs of Dynamopterus gracilis and D. gaillardi. The manuscript was significantly improved by reviews by C. Mourer-Chauviré and M. Pavia and editorial comments by T. H. Worthy.