Goniophora
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- Geological Survey
- Os Crinoidea Do Afloramento Rio Caniú (Devoniano, Formação Ponta Grossa), No Estado Do Paraná
- Apa 1239.Qxd
- The Paleozoic Era: Diversification of Plant and Animal Life 7
- Great Paleozoic-Mesozoic Biotic Turnings and Paleontological Education in China: a Tribute to the Achievements of Professor Zunyi Yang
- Lower Ordovician Bivalves from Southern Bolivia: Paleobiogeographic Affinities
- Sds Newsletter 33
- Silurian and Lower Devonian Fossils from the Cobar Area of New South Wales
- Silurian Bivalvia from Chichagof Island, Southeast Alaska (Alexander Terrane)
- Geologic Resources Inventory Report, Bighorn Canyon National
- Memoria De La Carta Geológica Del Uruguay