Wiwaxia Enamel Pin (Wiwaxia corrugata) Gift Shop Inventory Spine Width 7

Spine Width 7

and distinctive lyre-shaped horns

Greatest Height 24

Puppy Dog Skull

and are so coveted that the act of "finning"

Wiwaxia Enamel Pin (Wiwaxia corrugata) Gift Shop Inventory Spine Width 7Imagine a sea slug that raided a medieval armory, and youve basically got Wiwaxia corrugata. This Cambrian oddball, about 5 cm long, scuttled across seafloors over 500 million years ago, covered in a mosaic of armor like scales and topped with impressive spines jutting from its back. Neither mollusk nor worm, but somewhere in between, Wiwaxia confounded paleontologists for decades until it was finally recognized as one of the early evolutionary