A possible agnathan plate from the Lower Arenig (Lower Ordovician) of South Bolivia (original) (raw)
A possible agnathan plate from the Lower Arenig (Lower Ordovician) of South Bolivia
Journal of Vertebrate Paleontology, 2000
Abstract
A possible representative of the early vertebrates is reported for the first time from a graptolite-dated Lower Ordovician (lower Arenig) siliciclastic sequence in the Eastern Cordillera of southern Bolivia. The specimen is preserved as a natural mold of an exoskeleton plate ...
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