Prehistoric Collection (page 20)

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

Sinospirifer sp. stone swallow (Shih-yen) brachiopods
A collection of stone swallow (Shih-yen) brachiopods from the Devonian rocks of China

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

Hexagonella, bryozoan
A 5 cm long branch of Hexagonella from the Permian of Australia. This cystoporate bryozoan has polygonal subcolonies bounded by ridges

Side view of a Baryonyx snout
Baryonyx was a carnivorous dinosaur that lived during the Lower Cretaceous period around 125 million years ago. Photographed by Phil Crabb

Remopeurides, a fossil trilobite
Probably planktonic, Remopeurides is a small trilobite - this Scottish Ordovician example being less than 2 cm long - with an inflated glabella

Metaldetes
A small block of limestone, 5 cm across, from the Cambrian of South Australia, containing sectioned specimens of the archaeocyathan sponge Metaldetes

Upper premolar of Stephanorhinus hundsheimensis
Upper premolar of an exinct rhino found during the Boxgrove excavation. Boxgrove is a Middle Pleistocene site in West Sussex, England

Plagiostoma, fossil shell
This shell of Plagiostoma from the British Jurassic measures 8.5 cm wide and shows radial ornamentation and growth banding

Elrathia kingii, trilobites
Elrathia kingii in rock matrix, from Middle Cambrian, Wheeler Shale, House Range, Utah, USA

Didymograptus, fossil graptolite
The two tuning-fork graptolite on this piece of Welsh Ordovician shale belong to the genus Didymograptus and have branches some some 5 cm in length with sawtooth-like thecae

Gonioclymenia laevigata, ammonoid
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Roman lamp and fossil brachiopod
PDT replica of roman lamp and the fossil brachiopod (Terebratula maxima Charlesworth) from the Pliocene. Coralline Crag. Park Pit, Sudbourne Park, Suffolk

Coelodonta antiquitatis, woolly rhinoceros
Fossil horn specimen from the extinct woolly rhinoceros (Coelodonta antiquitatis)

Starstones - columnals of isocrinid crinoids

Kosmoclymenia undulata, ammonoid
An extinct, marine fossil invertebrate from the class Cephalopoda belonging in the phylum Mollusca (molluscs). Photographed by Beatriz Aguirre-Urreta

Perisphinctes, ammonite
A Pyritised (golden cloured) ammonite from the Jurassic, Callovian, Jason Beds; Uetzing, Germany

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

Isastraea oblonga, polished coral
Isastraea oblonga (Fleming). From the Jurassic period, Portlandian, Upper Beds, Tisbury, Wiltshire

Tonguestone (sharks tooth)
A sharks tooth from the species Oxyrhina. Specimen originates from the Globigerina Limestone, Miocene period, NW Malta

Spiriferina, a fossil brachiopod
Remarkable preservation of the delicate brachidium which supported the lophophore in a French Jurassic specimen of the spiriferide brachiopod, Spiriferina

Barbed points from Star Carr
A collection of 21 Bareb points made of Raindeer Antler from Star Carr a Mesolithic settlement in Yorkshire

Phacops rana africanus, trilobite
This trilobite shown in the balled position originated from the Devonian period c. 380-370 million years ago, in the Tifariti area, Spain

Pachyornis elephantopus, heavy-footed moa
Skeleton of a heavy-footed moa (Pachyornis elephantopus) specimen found in New Zealand during the Holocene period (10, 000 to present). See also T25118

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

Pachyornis elephantophus, moa bird
The giant extinct bird seen here is a Moa and is about 5000 years old, found exclusively in New Zealand

Chasmatopora furcata eichwald, bryozoan
This bryozoa specimen is 470-458 million years old, dating from the Middle Ordovician period, Kuckersits, Estonia

Nostroceras, ammonite

Picea excelsa, fossilised spruce cone
Shown here is the fossilised cone of (Picea excelsa), a spruce tree dating from the Pleistocene and approximately 500, 000 years old. Originates from Cromer Forest, Mundesley, Norfolk, UK

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

Pattalophyllia sp. coral
This species of gill-like coral dates from the Middle Eocene, Harteuille, France c. 41-49 million years old

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