Fossils The Key To The Past Collection

Pentrimites robustus, blastoid
Side view of a specimen from the Carboniferous (Mississipian), Illinois, USA - length 4 cm. Blastoids are extinct marine invertabrates belonging to the Phylum Echinodermata

Tylocidaris clavigera, sea urchin
A fossil echinoid (Tylocidaris clavigera) from the Cretaceous rocks of Gravesend, England

Hydnoceras tuberosum, fossil glass sponge
A vase-shaped, fossil glass (silaceous skeleton) sponge from the Devonian of New York

Coeloptychium agaricoides, fossil sponge
This hexactinellid (six rayed spiculed) sponge originates from the Cretaceous of Westphalia, Germany. It has a maximum diameter 8 cm. Sponges are filter feeders and live on plankton

Pentremites spicatus, blastoid
A Carboniferous blastoid from Grayson Co, Kentucky, U.S.A

Fenestrellina plebeia, net bryozoan
A net bryozoan (colonial organisms) from the Carboniferous of North of Wales. In this specimen, the colony measures 6 cms across

Aviculopecten planoradiatus, bivalve
Fossilised relics of this fan-shaped bivalve. Bivalves are shelled creatures and first appeared in the middle Cambrian, some 520 million years ago, they are still common in todays oceans

Uintacrinus, stemless crinoid
A black and white photograph of a stemless crinoid, which dates from the Cretaceous. Crinoids have five or more feathery arms radiating from a central disc

Promicroceras planicost, jurassic ammonites
A rock specimen containing many Promicroceras a small shelled Jurassic ammonites. Ammonites are an extinct group of marine fossil cephalopods related to todays Nautilus

Ceratites nodosus, ammonoid
The Ammonoids are an extinct group of marine fossil cephalopods related to todays Nautilus. In this specimen, the shell suture lines are clearly visible

Wanneria walcottana, trilobite

Rana species, fossil frog
Specimen originates from soft Miocene shale from Spain. Skeletal anatomy preserved in its entirety with an outline of the soft parts clearly visible. This specimen measures 12 cms long

Pemmatites, lithistid sponge
This sponge originates from the Permian rocks of the Artic island of Spitzbergen

Pseudocrinites magnificus, cystoid
This specimen is a rare fossil Cystoid. They belonged to the echinoderms and diversified greatly in the Silurian, but became extinct by the Permian

Lingula beani, brachiopod
This Jurassic lingulid brachiopod from Yorkshire is a tongue shaped brachiopod, and is composed of calcium phosphate with a shiny lustre which contrasts here with the clay matrix

Acidaspis coronata, spiny trilobite
A spiny odontopleurid Silurian trilobite from Worcestershire, England preserved in limestone. The specimen length is 2.5 cms

Kosmoceras acutistriatum, ammonite
This Jurassic ammonite from Wiltshire, England occurs in a fine-grained shale, but has been severely flattened. However, the original lustre of the shell has been retained

Dizgocrinus mon, fossil crinoid
This fossil crinoid or sea-lily originates from the limestones of Keokuk, Lowa, USA

Didymograptus murchisoni, graptolite
This is an Ordovician tuning-fork shaped graptolite from Wales. Graptolites are an extict group of marine, colonial animals

Cymatophlebia longialata, fossil dragonfly

Angelina, stretched trilobite
Angelina grew up to a length of 6cm. The thorax was made up of 15 segements with spines. Trilobites were arthropods and had exoskeletons as crustaceans, spiders and insects do today

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

Halysites escharoides, tabulate coral
In this Silurian tabulate coral from Ohio Falls, USA, large numbers of tiny oval corallites are linked together to form chains

Cheiracanthus murchisoni, fossil fish
This is an early jawed acanthodian fish from the Devonian rocks of Banffshire Scotland. Length 5 cms

Coeloria labyrinthifor, fossil brain coral
In this polished section of a Miocene brain coral, from Antigua, long meandering corallites with thin septa form a dense meshwork. The specimen measures 8 cm across

Calymene blumenbachii, trilobite
A well-known convex Silurian trilobite originating from Worcestershire, England. Trilobites were arthropods as crustaceans, spiders and insects are today

Bothriolepis canadensis, armoured fossil fish
This specimen is an amoured Devonian fish originating from Quebec

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

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

Cyathophyllum sp. rugose coral
Shown here is a section through a well preserved Devonian solitary, rugose coral from Devon, England. The maximum diameter is 6 cm

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

Fossilised millipede (Class Diplopoda)
This fossil is preserved in a siltstone nodule of Carboniferous age from the Yorkshire Coalfield. Length 63mm (unstraightened), length of nodule 76mm

Nummulites gizehensis, giant foraminiferan
Shown here is a giant foraminiferan originating from the Eocene of Egypt. Foraminifera are amoeba-like, single-celled protistids and can still be found in abundance today

Spirifer striatus, brachiopod
Shown here is a wide-hinged brachiopod. Brachiopods belong to their own phylum (Brachiopoda). General characteristics include a pair of protective shells

Phacops rana, trilobite
A Devonian trilobite from Ontario, Canada. A convex trilobite with eleven thoracic segments; the eyes include a few very large lenses

Scaphites nodosus, ammonite
This Cretaceous ammonite originates from The Badlands, South Dakota, U.S.A. This specimen retains much of its original shell giving it a beautiful pearly lustre

Dictyonema flabelliforme, gaptolite
Shown here is an Ordovician dendroid graptolite, specimen originates from North Wales. Graptolites are the fossil remains of small colonial marine animals

Archastropecten cotteswoldiae, starfish
A fossil starfish of the subclass Asteroidea from the Jurassic rocks of Gloucestershire, England

Eurypterius lacustris, sea scorpion
This Devonian sea scorpion is preserved in fine siltstone and is from Canada. These predatory aquatic arthropods had a segemented, body large eyes and strong claws

Septastraea forbesi, coral
This Pliocene coral from Maryland, USA is 10 cm long and is a fragment of a much larger colony

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

Raphiidonema faringdone, calcareous sponge
A vase-shaped calcareous sponge with numerous small canals from the Cretaceous of Berkshire, England

Rotularia bognori, tube of polychaete worm
A tube cast of the polychaete worm (Rotularia bognori). Specimen originates from Bognor, England

Trinucleus, trinucleid trilobite
This Trinucleid trilobite grew up to 3cm long. Specimen originating from Ordovician rocks of Builth, Wales

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

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