Plankton such as euphausiids are important food for pre-grisle but amphipods and decapods are also consumed. |
The calcified cuticle of decapods comprises the hard exoskeleton of the animal and can be subdivided into four layers. |
By any measure, decapods are underrepresented in the fossil record by comparison with organisms with more heavily calcified exoskeletons. |
In Japan, decapods associated with coral reef deposits were described in Miocene and Pliocene and Pleistocene rocks. |
Anthony Rice has used morphology of zoea to develop phylogenies of subsets of decapods that provides a different insight into relationships. |
The rest of the group is sometimes pulled together loosely as the reptant decapods. |