A Manual of Palaeontology for the Use of Students: With a General Introduction on the Principles of Palaeontology

abundant allied ambulacral anchylosed animal aperture appear appendages articulated attained beak beds belong Birds Bivalves body bones bony Brachiopods calcareous calyx Cambrian Carboniferous Carboniferous Rocks Cephalopods Chalk characterised clavicles commence composed comprising consists coral Cretaceous Cretaceous period Crinoids Crustaceans deposits Devonian division dorsal Eocene Eocene Tertiary existing extinct feet fins fishes Foraminifera formation forms fossil Ganoids genera genus gills Graptolites horny Hydrozoa incisors integument Jurassic known Lastly latter less limbs Limestone living lower jaw Lower Silurian Mammals margin Mesozoic Miocene molars Mollusca mouth occur Oolites operculum pair Paleozoic pectoral Permian placed plants plates Pliocene Polyzoa possession Post-Pliocene Post-Tertiary posterior present day regarded remains represented Reptiles ribs Sandstone segments septa shell side Silurian Rocks single siphuncle skeleton sometimes spines strata structure sub-kingdom sub-order surface sutures tail teeth toes Trias Triassic tube Upper Cambrian Upper Silurian usually vertebræ whilst whorls Zoantharia