Mesozoic Collection (page 9)

Ichthyosaurus communis (Conybear)
A fossil specimen of an Ichthyosaurus from the Lower Lias, Lyme Regis, Dorset. On display at The Natural History Museum, London

Rhamphorhynchus
A model of the Rhamphorhynchus, a Pterosaur, an extinct giant flying reptile. They lived around 150 million years ago during the Jurassic period

Araucarioxylon arizxonicum, conifer
Polished section through the trunk of Araucarioxylon arizxonicum, the dominant conifer of Petrified Forest National Park, Arizona, USA. Width approx. 25 cm. Dates back to the Late Triassic period

Palaeocoma egertoni, fossil brittle star
A fossil brittle (serpent) star found in the Jurassic and Lias of England. Maximum diameter 8cm. This specimen is a well-known Echinoderm genus and similar to todays living brittle stars

Protoceratops

Torvosaurus claw
A fossil claw once belonging to the dinosaur, Torvosaurus whose name means savage lizard. It was a carnivore which lived during the upper Jurassic period. Its fossils have been found in Colorado, USA

Hypsilophodon
A model of Hypsilophodon, a Lower Cretaceous period dinosaur, living 125 million years ago. Its fossils have been found in England and Spain, being first described by Huxley in 1869

Lower Chalk

Benthosuchus sushkini
A fossil skull once belonging to an amphibian which lived during the Triassic period, 230 million years ago. This fossil originates from the Triassic rocks of the Scharzhenga river, Vachnevo Russia

Actinopora disticha, bryozoan
Scanning electron micrograph of a fossil cyclostome bryozoan from the Cretaceous Chalk, Santonian, Kent

Meliceritites semiclausa, bryozoan
Branching colony of a fossil cyclostome bryozoan. Specimen originates from the Lower Cretaceous Faringdon Sponge Gravel, Faringdon, Oxfordshire

Early flowering plant model
Model of an early flowering plant from the Cretaceous (144 to 65 mya)

Belemnitella mucronata, belemnite
71-65 million year old squid-like belemnite specimen from the Late Cretaceous, Mstricht, Holland

Cryptoclidus eurymerus
A fossil reconstruction of Cryptoclidus eurymerus, a Plesiosaur that lived 165-160 million year ago during the Middle Jurassic. This specimen was discovered in Peterborough, UK

Wilbertopora woodwardi (Brydone), bryozoan
Scanning electron micrograph of a fossil cheilostome bryozoan. Specimen originates from the Upper Cretaceous Chalk, West Mean Station, Hampshire, U.K

Fossil leaf of an early flowering plant
89-65 million year old specimen of an unidentified flowering plant species from the Late Cretaceous, Sachsen, Germany

Platyphysa prinsepi, freshwater snails
65 million year old freshwater snail specimens that were engulfed by lava flows. Originating from the Late Cretaceous, Nagpur, India

Fossil ammonites used as memorial stone
Asteroceras marstonense (larger ammonites) and Promicroceras marstonensis (smaller ammonites) used as a memorial stone. Specimen originates from Spath Lower Lias, Marston Magna, Somerset, England

Flint nodule
This flint nodule originates from the Cretaceous rocks of the North Downs, England

Cylindroteuthis oweni Pratt, thunderbolt

Gryphaea dilatata, devils toenail
This giant hooked oyster also known as a devils toenail originates from Sowerby, Upper Jurassic, Scarborough, Yorkshire, England

Ginkgo huttonii, fossilised ginkgo leaves

Beetle in amber

Megazostrodon skull
Specimen from the Late Triassic to Early Jurassic of Lesotho, Africa. Megazostrodon was thought to be a small, mouse-sized, nocturnal mammal and fed on insects

Protoceratops embryo

Isochirotherium footprint
A cast of fossil footprints, measuring 38 cms long, from both hind feet of Isochirotherium herculis, an extinct reptile, discovered in Tarporley, Cheshire

Rhynchosaurus footprints
Fossil footprints made by Rhynchosaurus on a slab of Triassic, Keuper Sandstone from a quarry in Rathbone Street, Liverpool. Dimensions of slab are 5 inches x 6 inches

Troodon tooth
A fossil tooth specimen that once belonged to the dinosaur, Troodon. It was a carnivorous dinosaur that lived around 65 million years ago

Stegosaurus skull
A cast of a fossil skull that belonged to Stegosaurus stenops, an Upper Jurassic dinosaur that lived 155 to 144 million years ago. The original fossil was discovered in the USA

Jurassic Britain
An artists impression of Jurassic (206 to 144 million years ago) Britain from space, with forested swamps and warm seas

Cheirotherium
Arid desert of Triassic Britain with imagined reconstructions of Cheirotherium ( hand-beast ), a labyrinthodont reptile, whose prints are common in Triassic rocks but no remains have been found

Ammonite selection
Three ammonites as follows: (Left to right) Oistoceras wrighti; Asteroceras obtusum (zonal index species); Tragophylloceras loscombi all specimens originate from the Jurassic rocks near Lyme Regis

Lepidotes, fossil fish

Pentacrinites, crinoid
Pentacrinites is a fossil crinoid from the Jurassic. Crinoids are ancient, marine organisms. The majority have long stalks anchored to the bottom

Asteroceras obtusum, ammonite
Shown here is a Jurassic ammonite. Ammonites are an extinct group of fossil cephalopods related to todays Nautilus

Trigona, bivalves
Shown here are a pair of Jurassic bivalves. Bivalves are shelled creatures and first appeared in the Middle Cambrian and are still common in todays seas and oceans

Dapedium orbicularis, fossil fish
A well preseved example of an enamel-scaled fish from the Lower Lias, Lyme Regis, Dorset, England

Asteroceras marstonensis and Promicroceras, ammonites

Albertaceratops dinosaur. Artwork of an adult Albertaceratops from 77 million years ago during the Cretaceous period. This cerapod dinosaur is around 2 metres tall at the shoulder

Zuniceratops dinosaur. Artwork of an adult Zuniceratops from 90 million years ago during the Cretaceous period. This cerapod dinosaur is around 1 metre tall at the shoulder

Nedoceratops dinosaur. Artwork of an adult Nedoceratops (formerly known as Diceratops) from 70 million years ago during the Cretaceous period

Diabloceratops dinosaur. Artwork of an adult Diabloceratops from 70 million years ago during the Cretaceous period. This cerapod dinosaur is around 2.5 metres tall at the shoulder

Torosaurus dinosaur. Artwork of an adult Torosaurus from 75 million years ago during the Cretaceous period. This cerapod dinosaur is around 2 metres tall at the shoulder

Rhino and Pentaceratops dinosaur. Artwork of an adult Pentaceratops (right) from 75 million years ago during the Cretaceous period, compared to a modern adult White Rhinoceros (Ceratotherium simum)

Pentaceratops dinosaur. Artwork of an adult Pentaceratops from 75 million years ago during the Cretaceous period. This cerapod dinosaur is around 2.5 metres tall at the shoulder

Zuniceratops dinosaur and rhino. Artwork of an adult Zuniceratops (left) from 90 million years ago during the Cretaceous period, compared to a modern adult White Rhinoceros (Ceratotherium simum)

Rhino and Einiosaurus dinosaur. Artwork of an adult Einiosaurus (right) from 77 million years ago during the Cretaceous period, compared to a modern adult White Rhinoceros (Ceratotherium simum)

Psittacosaurus dinosaur, artwork
Psittacosaurus dinosaur. Computer artwork of a Psittacosaurus about to eat a cycad 130 million years ago during the Jurassic period, in what is now central Asia

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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.