Prehistoric Collection (page 19)

Chrysobotris, fossil beetle
An early Cretaceous fossil beetle from the Lithographic Limestone, Lerida, Spain

Geological timescale
A diagram showing geological time on earth as expressed in a spiral starting with earth in a molten state and progressing through deserts to the rise of mountain ranges and volcanoes

Ardeosaurus brevipes, a Jurassic lizard
A cast of the type skeleton of Ardeosaurus brevipes a fossil reptile from the Lithographic Limestone, Kimmeridgian, Workerstzell, Bavaria, Germany. Dating back the Upper Jurassic period about 150 mya

Dicroidium sp. seed fern
Fossil Triassic plant from Queensland, Australia

Rhamphorynchus longiceps
A fossil Jurassic pterosaur from the Lithographic Stone, Eichstatt, Germany

Bone needles of Magdalenian age
Bone needles dating back to about 15, 000 years ago. The Magdalenian tools discovered in France are believed to have belonged to early Homo sapiens who hunted reindeer during the last ice age

Pterichthyodes, fossil fish
Specimen about 370 million years old from the Devonian period with a paper model built by Hugh Miller (1802-56) to help in the understanding of this fossil fish

Silurian landplants
An artists impression of the the earliest vascular plants which developed beside freshwater pools during the Silurian (443 to 417 million years ago)

Limacina mercinensis, holoplanktonic mollusc
Fossilised specimens of Holoplaktonic molluscs found in early Eocene, London Clay at Highgate, London. 58 million years old

Proterozoic ocean floor
A restoration of Proterozoic ocean floor with bun-shaped stromatolites

Photomicrograph: Acanthomorph acritarch, microfossil

Palaeosmunda williamsonii, fern
Petrified trunk of the fern Palaeosmunda williamsonii, approximately 4cm wide, from Rockhampton, Queensland, Australia, dating back to the Permian Period, about 250 - 299 million years ago

Arsinotherium skeleton
Mounted skeleton of an Oligocene, 35 million year old rhinoceras-like ungulate from Egypt. Complete mounted skeleton

Columber kargi

Precambrian Landscape
Artists impression of a Precambrian (4, 500 to 543 million years ago) landscape, when oxygen built up in the atmosphere (about 1)

Excavating a Mosasaur skull
Title page picture from Histoire Naturelle de la Montagne de St Pierre de Maestricht by Faujas de Saint Fond, 1799. Mosasaur was a carnivorous marine reptile from the Cretaceous period

Geosaurus gracilis
The fossil skeleton of the Geosaurus gracilis, an extinct aquatic crocodylian which lived during the Upper Jurassic and Lower Cretaceous periods

Diatryma steini skull
Specimen of a Diatryma steini skull found in South Elk Creek, Bighorn basin, Wyoming, USA. Lower Eocene, 55-50 million years old

Mayfly in Baltic amber
A well-preserved Mayfly, Ephemeroptera: Heptageniidae in Baltic amber. Specimen originates from the Upper Eocene

Stone age horse
A plastic replica of amber stone age horse carving. Image from Amber the Natural Time Capsule fig. 23

Sigillaria mamillaris (Brongniart), Lycopod
Part of a stem of a Sigillaria mamillaris, a lycopod, a Carboniferous plant. Upper Carboniferous; Darton, near Barnsley, South Yorkshire, Range: Genus, Carboniferous-Permian, Species, Westphalian

Angiosperm leaf in Baltic amber
Eudaphniphyllum leaf in preserved Baltic amber, dating from the Upper Eocene, about 35 million years old. Amber is fossilised tree resin

Stonefly in amber
A Stonefly, Plecoptera: Leuctridae preserved in Baltic amber. Specimen dates from the Upper Eocene

Priscacara clivosa, fossil fish
A fossilised fish originating from the Eocene epoch 58-37 milion years ago. Found in Wyoming, USA

Flat-footed beetle in amber
A flat-footed beetle preserved in Dominican amber. This specimen dates from the Lower Miocene period

Dolichopodidae, long-legged fly in amber
Long-legged fly preserved in Baltic amber. Specimen dates from the Upper Eocene

Stick insect in amber
A stick insect, Phasmatodea preserved in Baltic amber. Specimen dates from the Upper Eocene

Barklouse in amber
A Barklouse, Pscoptera preserved in Dominican amber. Specimen dates from the Lower Miocene

Dance fly in amber
A dance fly preserved in Baltic amber. This specimen dates from the Upper Eocene

Hastings amber
This amber is from the Lower Cretaceous rocks of Hastings, East Sussex. Amber is fossilised tree resin

Hurdia victoria, ancient fossil
This fossil dates from the Middle Cambrian rocks of the Burgess Shale, British Columbia

Snipe fly in amber
Snipe fly in Baltic amber dating from the Upper Eocene period and is about 35 million years old

Fossil leaf miner
A leaf miner has left a snaking trail in this leaf from the Middle Eocene of Bournemouth, England

Cypress twig in Baltic amber
A cypress twig in Baltic amber dating from the Upper Eocene. Amber is fossilised tree resin. Image from Amber the Natural Time Capsule (1998) by Andrew Ross

Eolates gracilis, fossil fish
A fossil fish originating from the Eocene rocks, Monte Bolca, Italy. Fish specimen is 16.5 cms long

Horsefly in Baltic amber
A horsefly, Diptera: Brachycera: Tabanidae trapped in Baltic amber and dates from the Upper Eocene. Amber is fossilised tree resin

Lacewing larva in amber
Lacewing larva preserved in Baltic amber. This specimen dates from the Upper Eocene

Agnostid trilobite of Cambrian age, found in deep water. It is a blind trilobite of only a few millimetres long, with only two thoracic segments

Conodont fossils
Scanning electron microscope image of fossils from the Devonian period of northern Estonia, about 465 Ma old ( x 4.2). These creatures are still a mystery to paleontologists

Dinosaur skeletons comparing hip pelvic structure
The pelvis consists of three bones on each side. Top, a Saurischian dinosaur. Middle, an early Ornithischian dinosaur. Bottom, a Later Ornithischian dinosaur

Oxynoticeras oxynotum, ammonite
Shown here is the ventral view of this Lower Jurassic oxycone ammonite

Aulacostephanus autissiodorensis, ammonite
Shown here is an Upper Jurassic macroconch (larger form) ammonite. Despite some damage to the shell, the fine ribbing is still apparent

Triassic and Devonian rocks
An angular unconformity between two rock formations: Triassic rocks (horizontal) on Devonian rocks (inclined at about 40 degrees), western England, UK

Ostracods
Small arthropods with two valves. These examples are Jurassic in age

Gryphaea incurva, oyster
Fossil oyster also known as the Devils Toenail, specimen from the Lower Lias, Gloucestershire

Polygonal corallites
The simple, polygonal corallites of favosites are well seen in this 6 cm high polished block from the Devonian of south-west England

Microraptor
Illustration of a Microraptor by Jo Konopelko, Natural History Museum Design Studio

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