Embryo of the pantropical spotted dolphin Stenella attenuata in the fifth week of development (image) Society of Vertebrate Paleontology Share Print E-Mail Caption Figure 2 - The embryo of the pantropical spotted dolphin Stenella attenuata in the fifth week of development. The hind limbs are present as small bumps (hind limb buds) near the base of the tail. The pin is approximately 1 inch long. Credit Thewissen-Lab, NEOMED 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.