Pikaia Enamel Pin (Pikaia gracilens) marchei Skull Length 33 cm (12

Skull Length 33 cm (12

5" plush on key chain clip

This specimen is one of the set of seven wonderfully detailed half scale models

Skull Height: 2

contributing to seed dispersal and maintaining the balance of plant populations

Pikaia Enamel Pin (Pikaia gracilens) marchei Skull Length 33 cm (12Meet Pikaia gracilens, the humble wormlike swimmer from the Cambrian seas (~505 million years ago) that may just be one of your oldest relatives. At about 5 cm long, it didnt look like muchjust a slender, ribbon bodied creature wriggling through the Burgess Shale ecosystem. But Pikaia had something revolutionary: a notochord, the flexible rod that would eventually evolve into a backbone. That makes this little swimmer a crucial early chapter in