Didymograptus
Top View
- Early Development Stages and the Mode of Life of Graptolites
- Ordovician Graptolites and Acritarchs from the Barrancos Region (Ossa-Morena Zone, South Portugal)
- Pander Society Newsletter, and to Get It Off to Mark Purnell, So That He Can Post It on the Leicester University Server
- A Graptolite Zone Reference Section
- Los Conodontos De La Formación El Hígado Y Su Contribución Al Conocimiento Del Metamorfismo Y La Paleogeografía Del Ordovícico En La Cordillera Central Colombiana
- (Middle Ordovician) of the Naturtejo
- Paleontology of the Paleozoic Rocks of the Llanos Orientales Basin, Colombia
- Pander Society Newsletter
- The Ordovician Exposed
- Graptolites in British Stratigraphy
- Abstracts Book
- PLANKTONIC CRUSTACEANS from the LOWER DIDYMOGRAPTUS SHALE (3 B) of OSLO
- Taxonomy and Evolution of the Protomonaxonid Sponge Family Piraniidae