Principles of Micropalaeontology |
Contents
Chapter | 3 |
Figure Page 1 Radiolaria | 10 |
Conodonts Family Distacodidae | 26 |
Copyright | |
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abundant adult Albian annular apertural face aperture arenaceous arranged assemblages Baltic Region basal biserial Brady calcareous canal Carboniferous central chamberlets chitinous classification conical conodonts correlation Cretaceous to Recent cribrate Cushman d'Orbigny deposits Devonian diatoms distinct early elongate embryonic Eocene evolution families fauna foraminifera forms Fusulinidae genera Genotype genus Globigerina index fossils involute irregularly Lagenidae larger foraminifera last chamber lateral chambers layer lenticular Lepidocyclina limestones Lower Cretaceous margin megalospheric microfauna microfossils micropalaeontological microspheric Miliolidae Miocene morphological nepionic occur Oligocene Orbitoides Ordovician ostracodes Palaeozoic Paleocene Pennsylvanian perforate periphery Permian planispiral planktonic plates proloculum radial radiolaria range Recent.-Genotype region Reuss rocks samples sediments septa sequence shape shell Silurian skeleton slit smaller foraminifera species specimens spicules stages stolons stratigraphic structure Subfamily subgenus surface sutures taxonomic Tertiary thin transverse section trochospiral tubular Turonian typically Ulrich and Bassler uniserial Upper Cretaceous Upper Senonian wall finely whorl zones