Evolution and Classification of Paleozoic Crinoids, Issues 46-48 |
Contents
Abstract | 1 |
Symbols for designation of crinoid parts | 18 |
Evolution of the Cladoidea | 32 |
27 other sections not shown
Other editions - View all
Evolution and Classification of Paleozoic Crinoids Raymond Cecil Moore,Lowell Robert Laudon No preview available - 1943 |
Common terms and phrases
Ajacicyathus Anadara anal plates anal sac Arca Archaeocyathus Arcidae arms Barbatia basal Bather Bedford brachials branching Calif California Cambrian Cambrocyathus camerate crinoids central cavity circlet classification conical Conrad County crinoids crinus devincta Devonian dicyclic dorsal cup Eocene Ethmophyllum evolution evolutionary Figure formation fossils genera genus Geol Goldring Holotype Hypotype IBrBr inadunates inner wall interbrachial intervallum isotomously Jaekel Kirk left valve Length of specimen ligament limestone Lower Cambrian Maury Miocene Mississippian monocyclic Moore and Plummer obispoana Okulitch Oligocene Ordovician Osagian osmonti outer wall Paleo Paleozoic Paleozoic crinoids Paratype parieties perforated Permian pinnulate Pleospongia Pliocene pores posterior view primitive profundus radial facets Reinhart ribs ridge right valve S. A. Miller Scapharca septa shell Silurian Sowerby species Stanford Univ structure subsp tegmen Temblor trilineata type coll TYPE LOCALITY type specimen ventral margin Vologdin Wachsmuth and Springer Walcott Wanner