Dinosaur Age Roly Poly Fossil


Subphylum Crustacea, Class Malacostraca, Subclass Eumalacostraca, Superorder Peracarida, Order Isopoda

Geological Time: Cretaceous

Size (25.4 mm = 1 inch): Isopod fossil is 12mm on a 12 x 9 cm plate

Fossil Site: Ramlia Taouz area of Morocco

Fossil Code: PFO318

Price: $95.00 - sold

Isopod FossilDescription: Isopods are an order of peracarid crustaceans, including familiar animals such as woodlice and pill bugs. They are relatively small crustaceans with seven pairs of legs of similar size and form. The fossil record of isopods dates back to the Carboniferous period (in the US Pennsylvanian epoch), at least 300 million years ago. As adults, isopods differ from other crustaceans in that they replace their exoskeleton (in the process called ecdysis) in two phases; this is known as "biphasic moulting". Armadillidiidae is a family of woodlice, a terrestrial crustacean group in the order Isopoda. Unlike members of the family Porcellionidae, members of this family can roll into a ball, giving them their common name of "pill bug", "doodlebug" or "roly poly".

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