All » Invertebrates View Wishlist << back 26 - 30 of 33 next >> Scenella amii (mollusc like) Selkirkia columbia (priapulid worm) Silurian graptolite, Stimulgraptus Small shelly fauna Sprigginia << back 26 - 30 of 33 next >>     How trilobites lived click to enlarge Image no:  IM1 Add to wishlist