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A Junior synonym is a name which describes the same taxon as a previously published name of an animal. In the case of this puzzle, you need to determine match the junior synonyms of a list of animals to their senior synonyms. The first letter in each junior synonym will give you the coordinates for the cache. The animals for this puzzle all fall into the superorder Dinosauria.
The coordinates to the cache are: N 39 0A.BCD, W 96 1E.FGH
A = Edmontosaurus
B = Pinacosaurus
C = Massospondylus
D = Apatosaurus
E = Euskelosaurus
F = Herrerasaurus
G = Centrosaurus
H = Plateosaurus
The junior synonyms: Anatosaurus, Aristosaurus, Elosaurus, Eucentrosaurus, Gigantoscelus, Gresslyosaurus, Heishansaurus, Ischisaurus
You can check your answers for this puzzle on GeoChecker.com.