Mesozoic Collection (#7)

Deinocheirus
A pair of arms complete with 30 cm claws on each hand once belonging to Deinocheirus, an Upper Cretactous carnivorous dinosaur. This specimen was discovered in Mongolia

Dilophosaurus
The Dilophosaurus, meaning double crested lizard was a fast predatory dinosaur which lived about 200 to 189 million years ago during the Lower Jurassic. Fossils have been found in Arizona, USA

Symmetrocapulus, limpet
Fossilised specimen of a limpet found in the Jurassic limestone of Les Moutiers en Cinglais, France. 206-142 million years old

Plateosaurus
A fossil reconstruction of the hand and lower leg bones belonging to the dinosaur, Plateosaurus. These dinosaurs were wer herbivorous and may have used these sharp claws for defence

Fossilised Latimeria chalumnae, coelacanth
Fossilised specimen of the coelacanth (Latimeria chalumnae) found in Upper Jurassic, Lithographic Limestone, Bavaria

Huayangosaurus skull
A fossil skull that once belonged to Huayangosaurus, a dinosaur from the infraorder Stegosauria. This specimen was discovered in Sichuan, China in 1982

Acroceolites subtenius, belemnites
A fine group of belemnites (Acroceolites subtenius) preserved in soft Jurassic shale from Yorkshire. Longest specimen is 9cm long

Jurassic seascape
Artists impression of a Jurassic sea with Ichthyosaur, Plesiosaur and Pterosaur. The Jurassic period was 205-144 million years ago

Fossilised Mesolimulus
This fossil, Mesolimulus, a horseshoe crab, is an impressive 40 centimetres long. Preserved in the fine mud of a lagoon in Solenhofen, Germany, about 150 million years ago

Protoceratops eggs
A nest containing eggs from Protoceratops discovered in the Gobi Desert, Mongolia. They date back to the Upper Cretacous period. Protoceratops, a herbivore, lived 85 to 80 million years ago

Pterodactyl kochi

Diplodocus foot
Detail of the replica diplodocus skeleton on display at the Natural History Museum. The three inner toes of the back foot had sharp claws which may have acted as an anti-slip device

Micraster coranguinum, echinoid
This a common heart-shaped Cretaceous sea-urchin originates from the Upper Chalk. This specimen is preserved in its original calcite and its length is around 6cm

Fossilised Acanthochirana cordata, prawn
Fossilised prawn specimen from Solenhofen, Germany dating from the Upper Jurassic, 250 million years ago

Stylina alveolata, reef coral
A reef building coral originating from Jurassic limestones in Europe, eastwards into Asia Minor, and also in the U.S.A

Ichthyosaur, Stenopterygius quadriscissus (Quenstedt) close-
This Ichthyosaur has been preserved with the broken-up skeletons of the unborn young inside. A fourth may have just been born - its skeleton can be seen below her tail

Hemicidaris intermedi, Jurassic sea urchin
This specimen is particularly well-preserved retaining its spines where they fell around the animal as it died

Plegiocidaris coronata, sea urchin
A fossil echinoid or sea-urchin from the Jurassic rocks of Ulm, Germany

Harpagodes wrightii, gastropod
A Jurassic gastropod originating from Gloucestershire, England

Paracyclotosaurus davidi, model
A reconstruction from the only known specimen of Paracyclotosaurus davidi, a Labyrinthodont, an early amphibian whose skeleton was 2.75 metres long

Saurornitholestes
Model of the fast moving Saurornitholestes manufactured by Kokoro Dreams, Tokyo. In T. rex The Killer Question exhibition at the Natural History Museum, London

Saurornitholestes, Upper Cretaceous dinosaur
Model of the fast moving Saurornitholestes manufactured by Kokoro Dreams, Tokyo. T. rex The Killer Question exhibition at The Natural History Museum, London

Matonidium goeperti
Jurassic fossil leaf from York, England. Specimen held at the Natural History Museum, London

Glossopteris browniana
Fossil from Nagpur, India. Tongue-shaped leaves of the extinct Glossopteris are characteristic of the Permian and Triassic rocks of Gondwana. Specimen held at the Natural History Museum, London

Ptilophyllum pectinoides
Jurassic leaves of the extinct cycad like bennettitalean gymnosperm from Yorkshire, England. Specimen held at the Natural History Museum, London

Cycadeoidea microphylla
Jurassic extinct bennettitalean cycad like plant from Isle of Portland, Dorset, England. Specimen held at the Natural History Museum, London

Sagenopteris phillipsi, seed fern
Sagenopteris phillipsi, an extinct gymnosperm from the Jurassic period collected at Cayton Bay, Yorkshire, England. Specimen held at the Natural History Museum, London

Gryphaea arcuata Lamarck, fossil oysters
About 190 million years old, found in the Lias clays and limestones of the Jurassic period. Commonly called Devils Toenails

Petrified wood
Close-up showing the petrified wood from the coniferous forest, Arizona, U.S.A dating back to the Triassic period 200 to 251 million years ago

Isle of Wight amber
Spider in Isle of Wight amber. Lower Cretaceous about 130 million years old. Borrowed from Museum of Isle of Wight Geology

Todites denticulatus
Jurassic fossil leaf from York, England. Specimen held at the Natural History Museum, London

Tyrannosaurus rex, Upper Cretaceous dinosaur
Model of the animatronic scavenger T. rex manufactured by Kokoro Dreams, Tokyo. T. rex The Killer Question exhibition at The Natural History Museum, London

Stegosaurus
A herbivorous dinosaur that lived during the Upper Jurassic period, 155 to 144 million years ago. It has distinctive large plates which run from its neck to its tail. Illustration by Jo Konopelko

Hildoceras bifrons, snakestone ammonite
A snakestone ammonite (Hildoceras bifrons) from the Jurassic Lias rocks of Yorkshire, U.K

A fossil Kosmoceras, ammonite
Kosmoceras, a genus of ammonite which lived during the Jurassic period

Lufengosaurus was a long necked quadrupedal & bipedal dinosaur that fed on plants and lived during the Early Jurassic period 208 to 200 million years ago. Fossils have been discovered in China

Agathis jurassica, fossil plant

Ginkgo huttoni, fossil plant
This specimen of Ginkgo huttoni is from Yorkshire, England

Zamites gigas, fossil plant
This specimen of Zamites gigas is from Yorkshire, England

Cyclothyris difformis, brachiopod
Shown here ia a rhynchonellid brachiopod from the Cretaceous of Devon. Brachiopods belong to their own phylum (Brachiopoda). General characteristics include a pair of protective shells

Limulus polyphemus, horseshoe crab
Fossil of the oldest crab in the world. The species is estimated to be at least 300 million years old and is characterised by a long, pointed tail

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Step back in time to the Mesozoic era, where ancient creatures roamed the Earth's oceans and land. Among them were magnificent marine reptiles like the Ichthyosaurus and Plesiosaurus, now long extinct but forever etched in history. These fascinating beings ruled the seas with their sleek bodies and powerful fins, leaving behind a legacy of awe-inspiring fossils. One such fossil is that of Asteroceras, an ammonite from this bygone era. Its intricate spiral shell tells tales of a world we can only imagine. On land, towering giants like Diplodocus grazed upon lush vegetation while fearsome predators like Spinosaurus prowled nearby. Through captivating artwork, we catch a glimpse into their majestic existence. But it wasn't just these remarkable creatures that defined the Mesozoic period; it was also marked by significant geological events. Continental drift reshaped our planet around 100 million years ago, altering landscapes and creating new habitats for life to thrive. This phenomenon allowed species like Ichthyosaurus acutirostris to adapt and evolve in different regions across the globe. In addition to marine reptiles and dinosaurs, birds began taking flight during this time as well. Archaeopteryx emerged as one of nature's early experiments with flight – a mesmerizing blend of avian features fused with reptilian characteristics. And let us not forget about Pterodactyls soaring through prehistoric skies with their impressive wingspans. The Kelloways Stone serves as another testament to this extraordinary epoch – a treasure trove containing countless remnants from this distant past preserved within its layers. It holds secrets waiting to be discovered by intrepid paleontologists who seek answers about our planet's ancient inhabitants. As we delve into the wonders times, we are reminded that our world has undergone incredible transformations throughout history – both on land and beneath vast oceans - leaving behind imprints of extraordinary life forms that continue to captivate our imaginations.