Mesozoic Collection (page 2)

Hippurites radiosus, rudist mollusc shell
Rudist mollusc shells are elongated molluscs and were also reef builders. Specimen dates from the Late Cretaceous, Des Moulins, Charente, France

Euoplocephalus
A model of Euoplocephalus, one of the armoured plated dinosaurs from the family Ankylosauria. It lived during the Upper Cretaceous period 76 to 70 million years ago

Palaeocoma egertoni, a fossil ophiuroid
Palaeocoma egertoni, with arms 4.5 cm long, from the Jurassic of Dorest, England

Asterias gaveyi, a fossil starfish
Asterias gaveyi, the oral surface, with an arm stretch of 18 cm, from the Jurassic of Gloucestershire, England

Ailsacrinus prattii, 3.4 cm wide, from the Jurassic of Bath, England, showing the underside of the calyx and arms

Isocrinus robustus, a fossil crinoid
The stalked crinoid Isocrinus robustus, 14 cm tall, from the Lower Jurassic of Gloucestershire, England, showing the calyx and arms

Hypsilophodon skull
Hypsilophodons narrow mouth would have been suitable for picking out soft shoots and leaves. Narrow mouths allow animals to select food with more care. This specimen lived 125 million years ago

Plesiosaurus macrocephalus
Plate 15 from Geology and Inhabitants of the Ancient World, by Sir Richard Owen, (1854). This marine reptile could be found during the Jurassic period between 200 and 145 million years ago. Date: 1854

Daspletosaurus teeth
Fossil teeth from the Daspletosaurus, a large carnivorous dinosaur closely related to, but not as big as, the Tyrannosaurus

Hypsilophodon foot
Hypsilophodons upper foot bones were long and the lower foot thin and flexible, very like todays running birds. This specimen which was discovered in England dates back 125 million years to

Magyarosaurus sp. & Cetiosaurus oxoniensis
Magyarosaurus was a titanosaurian sauropod dinosaur from the Late Cretaceous of Transylvania, Romania. Cetiosaurus was an early sauropod dinosaur from the Middle Jurassic of England

Calyptrella tenuissima
Glass sponge fossil which died on the seabed 80 million years ago

Cynognathus crateronotus
A fossil skull that belonged to the extinct mammal-like reptile, Cynognathus. It lived during the Triassic period, 245 to 208 million years ago. Typical length of entire creature 1.8 metres

Belemnotheutis antiquus
A well-preserved Upper Jurassic squid aged 160 million years. This specimen originates from the famous clay deposits in Wiltshire

Ichthyosaur
A plastic toy model of the extinct marine reptile, Ichthyosaur, created by Invicta Ltd. These reptiles lived during the Jurassic and Triassic periods, becoming extinct around 90 million years ago

Fish Dapedium
Well preserved Dapedium fish from the Jurassic period

Heterodontosaurus
This dinosaur whose name means different-toothed lizard is a member was an Ornithopod. It lived during the Lower Jurassic period around 205-180 million years ago

Opalised snails and clam
Found in the South Australia town of Coober Pedy, these ancient snail and clam shells have been preserved in semi-precious opal

Protocaratops skull from Mongolia
This dinosaur lived during the Cretaceous period about 80 million years ago. This skull. roughly the size of a bear s, was found in Mongolia

Tyrannosaurus rex eye
Graphic of Tyrannosaurus rex eye. It is believed that the eye sight of this dinosaur was well adapted to hunting. It also had a large olfactory cavity creating a strong sense of smell

Fossilised Mesturus verrucosus
Fossilised fish from upper Jurassic lithographic limestone, Eichstadt, Germany. 150 million years ago

Steneosaurus bollensis
A replica fossil specimen of Steneosaurus bollensis, an extinct reptile that looked similar to the modern day crocodile. It lived during the Upper Jurassic period

Proganochelys quenstedti (Baur, 1887) skull
A fossil skull that once belonged to the oldest known extinct turtle, Proganochelys quenstedti. This specimen is from the Keuper at Wurttemberg. Cast on the right, original specimen on the left

Rhomdeosaurus cramptoni [Kettleness specimen]
Close-up of of a section of foot belonging to the Pliosaur, Rhomdeosaurus cramptoni. This carnivorous marine reptile descended from the plesiosaur

Sabatinca perveta, moth
Shown here is a moth belonging to the living pollen-feeding family Micropterygidae, preserved in Burmese amber of Late Cretaceous age

Brasilia bradfordensis, ammonite
This Middle Jurassic ammonite has been sectioned to show its chambers with calcite crystals formed in some and hardened mud in others. The body chamber is missing

Parkinsonia dorsetensis, ammonite
This ammonite has an evolute shell and is displaying complex suture lines. Specimen originates from the Middle Jurassic

Aegocrioceras quadratus, ammonite
This Lower Cretaceous crytocone ammonite displays whorls which do not touch each other but form an open spiral

Platanus latifolia, fossil plane tree leaf from the Upper Cretaceous from Greenland. Specimen 170 mms left to right

Homoeosaurus maximiliani
A fossil specimen of Homoeosaurus maximiliani, a Sphenodontid lizard which dates back to the Triassic period. This specimen was discovered at the Kimeridgian Lithographic stone, Kelheim, Bavaria

Baryonyx fossil remains
Plan of the crazy paving of blocks containing Baryonyx bones at the brick pit excavation site at Ockley, Surrey, UK. This was excavated in 1983 where a Baryonyx specimen was discovered

Titanopteryx philadelphiae wing bones
From a pterodactyloid pterosaur from the late Cretaceous in Jordan. Upper bones are fragments of the elbow joint. The lower from a finger bone which formed a wing support

Sauropod excavation, 1982

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

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

Pelorosaurus teeth
These robust chopping teeth from Pelorosaurus, a sauropod, show where the outer enamel has been worn away by constant chopping at plants. This dinosaur lived 130 to 112 million years ago

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

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

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

Leedsichthys problematicus
Fossilised tail of a Leedsichthys problematicus, the giant Middle Jurassic fish which is the largest fish known to have ever inhabited the Earths oceans

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