What people are saying - Write a review
We haven't found any reviews in the usual places.
THE SCIENTIFIC VALUE OF FOSSILS
THE OCCURRENCE OF FOSSILS
4 other sections not shown
abundant algae ambulacral ammonites assemblage Basin bedding planes belemnites benthonic bones brachiopods British burrow calcareous calcite Cambrian chitinous Clay Coal Measures coiled corallites crinoids deposits developed Devonian dorsal Dorset Eocene Europe extinct facies fauna feet fish folded Foraminifera forms fossiliferous gastropods Gault genera geological geosyncline goniatites graptolites horizons Hunstanton Isles Jurassic and Cretaceous known lamellibranchs layer limestones Lingula living Lower Carboniferous Lower Cretaceous Lower Palaeozoic Lower Tertiary mammals marine Mesozoic Micraster Middle Jurassic modern nautiloids occur Old Red Sandstone Oligocene Ordovician organisms Palaeozoic Palaeozoic rocks pelagic Period Permian plants plates Pleistocene Pre-Cambrian preserved pygidium radial regular echinoids reptiles sand Scotland sea floor septa shales Shallow Seas shallow water shell Silurian skeleton soft southern species specimens spicules spines sponges strata surface suture teeth Tertiary rocks Tethyan thecal thick thin Triassic trilobites unconformably Upper Jurassic Upper Palaeozoic valves ventral vertebrates Wales whilst whorl yield zonal zone