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a thorax of up to 30 segments
10 inches long
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but another type of extinct reptile
Because several regions of the Hunsruck lagerstätte were anoxic
Dicranurus monstrosus, Trilobite (Replica) Dimetrodon a thorax of up toHere is one of the more sought after trilobites of the Order Lichida, Family Odontopleuridae known as Dicranurus monstrosus. This specimen was found in the Devonian Megrane Formation near Oulmes, Morocco. Among its impressive features are the dramatically retorted occipital spines, looking like ram's horns. To what purpose could this spiny exoskeleton have been evolved? The answer is simple DEFENSE!! Fish had recently evolved jaws, and in the never
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