Cambrian Animals & Fossils

487Paleozoic

A coiled gut lay inside a soft circular disc that may have drifted or lived near the bottom.

511Paleozoic

Scales, long spines and a small front shell combined several Cambrian body plans.

512Paleozoic

A cup-shaped body attached by a long stalk and opened through a petal-ringed top.

513Paleozoic

A spiny head shield and specialized appendages belonged near the chelicerate stem.

514Paleozoic

Large pincer-like mandibles projected beneath a bivalved shell on an early mandibulate.

515Paleozoic

A broad bivalved shell enclosed most of the body and a three-pronged tail steered it.

516Paleozoic

A tiny armored body and pincer-like front appendages suggest an early chelicerate relative.

517Paleozoic

A broad flat shield with marginal spines and a leaf-like tail formed an unusual outline.

518Paleozoic

Long frontal appendages, side flaps and tail spines record a stem-panarthropod body.

556Paleozoic

Large frontal appendages, rows of swimming flaps and an annulated soft body link lobopodians with true arthropods.