Pikaia Enamel Pin (Pikaia gracilens) marchei It is based on casts

It is based on casts of several one million-year-old fossils found in central Java

Skull Length 33 cm (12

5" plush on key chain clip

contributing to seed dispersal and maintaining the balance of plant populations

Front Horn Length 85 cm (33

Pikaia Enamel Pin (Pikaia gracilens) marchei It is based on castsMeet 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