| http://www.w3.org/ns/prov#value | - These creatures are considered to be highly evolved types of crustaceans, so the researchers suggest the newly found fossils??? ???stratigraphical position provides substantial support to the proposition that the main cladogenic event that gave rise to the Arthropoda was before the Cambrian.??? Editorial Comment: ???Arthropoda??? are animals with exoskeletons and jointed limbs, and include crabs,
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