Cretaceous Period Collection (page 2)

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

Maiasaura hatchling
An animated model of the dinosaur Miasaura, created by Kokoro Ltd. for the Natural History Museum, London. This dinosaur whose name meand good mother lizard lived during the Upper Cretaceous 60-85 mya

Wealden Landscape
Artists impression of vegetation and reptiles of the early Cretaceous, including Iguanodon, in south eastern England

Dromaeosaurus
The skeleton of a Dromaeosaurus, a small fast predatory dinosaur with sharp teeth and a large claw on each foot. The lived during the Upper Cretaceous 76 to 72 million years ago

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

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

Albertosaurus
Detail of a skeletal display of Albertosaurus showing the skull, on display at the Natural History Museum, London. The Albertosaurus lived 76 to 74 million years ago during the Upper Cretaceous period

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

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

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

Tyrannosaurus rex teeth
Partly grown tooth in centre shows serrated edges which helped cut through mrat fibres. Fully grown tooth on right shows some worn serrations near the tip

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

Gallimimus
Outline illustration of a Gallimimus

Gonioteuthis, a fossil belemnite
Guard of the belemnite Gonioteuthis, 8 cm long, from the Cretaceous Chalk of Salisbury, England

Deinonychus skeleton
A fast moving pretador that lived duirng the Lower Cretaceous period, 120 to 110 million years ago. Fossils have been found in the USA, being first described by Ostrom, 1969

Hoplites, fossil ammonite
Hoplites, a stongly-ribbed Cretaceous ammonite. This 7.8 cm wide specimen is from the Cretaceous of Southern England

A fossil Cataceramus
Cataceramus is a subgenus of the genus Inoceramus, a bivalve that became extinct toward the end of the Cretaceous period

Ichthyornis dispar, cretaceous bird
Painting by Maurice Wilson (c. 1950)

Dinosaur coprolites
Fossilised faecal droppings of a dinosaur (probably Titanosaurus) with plant debris on the surface. From the Upper Cretaceous of India

Hesperornis regalis, cretaceous bird
Painting by Maurice Wilson (c. 1950)

Nostroceras, ammonite

Maorites densicostatus, ammonite
This flat-shelled ammonite dates from the Lower to Middle Campanian of the Upper Cretaceous, Vega Island, Graham Land, Antarctica

Tylocidaris clavigera (Konig), sea-urchin
This sea-urchin has highly characteristic club-like spines and is 80-83m yrs old. Specimen originates from the Upper Cretaceous Upper Chalk, S. England

Maiasaura with young
An animated model of the dinosaur Miasaura, created by Kokoro Ltd. for the Natural History Museum, London. This dinosaur whose name meand good mother lizard lived during the Upper Cretaceous 60-85 mya

Maiasaura
Outline illustration of a Maiasaura

Orodromeus
Outline illustration of an Orodromeus

Tenontosaurus
Outline illustration of a Tenontosaurus

Centrosaurus
Outline Illustration of a Centrosaurus

Troodon
Outline illustration of a Troodon

Stramentum, a fossil barnacle
Cretaceous goose-necked barnacle Stramentum from the Chalk of Kent, England, about 2 cm wide

Ventriculites, sponge
A Cretaceous flint broken open to reveal the sponge Ventriculites with a root-like base

Sphecidae sp. digger wasp
Shown here is a fossilized wing of a digger wasp. This specimen is around about 130 million years old and originates from the Cretaceous rock of Surrey, England

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