Paleozoic Collection (page 3)

Visbyshaera oligofurcata, acritarch
Scanning electron microscope image of a microfossil belonging to a group of marine phytoplanktonic organisms known as acritarchs that teemed in Silurian seas about 415 Ma ago

Crassigyrinus
The fossil of a Crassigyrinus, an early amphibian that lived during the Carboniferous period

Silurian seafloor
An artists impression of the seafloor of the shelf sea surrounding Britain during the Silurian (443 to 417 million years ago), with trilobites, brachiopods, rugose corals, and molluscs

Cephalaspid, fishes
Block of Old Red Sandstone from the Lower Devonian period about 400 million years ago containing the skeletons of cephalaspid fishes

Carboniferous coal forest
Artists impression of the swamp forests of ferns and other non-flowering plants which covered much of Britain towards the end of the Carboniferous period (354 to 290 million years ago)

Tubicaulis africanus, tree fern
Common plants of the Palaeophytic. Part of a petrified trunk of the tree fern Tubicaulis africanus, approximately 14cm wide, from the Permian Period, Tanganyika, Africa

Pterichthyodes, fossil fish
Specimen about 370 million years old from the Devonian period with a paper model built by Hugh Miller (1802-56) to help in the understanding of this fossil fish

Silurian landplants
An artists impression of the the earliest vascular plants which developed beside freshwater pools during the Silurian (443 to 417 million years ago)

Photomicrograph: Acanthomorph acritarch, microfossil

Palaeosmunda williamsonii, fern
Petrified trunk of the fern Palaeosmunda williamsonii, approximately 4cm wide, from Rockhampton, Queensland, Australia, dating back to the Permian Period, about 250 - 299 million years ago

Sigillaria mamillaris (Brongniart), Lycopod
Part of a stem of a Sigillaria mamillaris, a lycopod, a Carboniferous plant. Upper Carboniferous; Darton, near Barnsley, South Yorkshire, Range: Genus, Carboniferous-Permian, Species, Westphalian

Hurdia victoria, ancient fossil
This fossil dates from the Middle Cambrian rocks of the Burgess Shale, British Columbia

Agnostid trilobite of Cambrian age, found in deep water. It is a blind trilobite of only a few millimetres long, with only two thoracic segments

Conodont fossils
Scanning electron microscope image of fossils from the Devonian period of northern Estonia, about 465 Ma old ( x 4.2). These creatures are still a mystery to paleontologists

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

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

Calymene blumenbachii, locust trilobite
Specimens of locust tribolites (Calymene blumenbachii) from Silurian, Wenlock Limestone, Dudley, West Midlands

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

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

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

Goniatites, fossil ammonite
In marked contrast to Dactylioceras, this Carboniferous Goniatites has a shell in which successive whols overlap stongly, giving a narrow, deep umbilicus

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

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

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

Syringopora reticulata (Goldfuss), coral
A coral dating from the Carboniferous Limestone c.354-327 million years old. Kendal, Westmorland

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

Cothurnocystis elizae Bather, carpoid
The carpoids were a member of the Echinoderms. Specimen dates from the Upper Ordovician, Armillan Series, Drummuck Group Starfish Bed. Ayrshire c. 449m yrs old

Trinucleus, a fossil trilobite
The pitted cephalic fringe is clearly seen in this 1.3 cm wide specimen of Trinucleus from the Ordovician of Wales

Trinodus, a fossil trilobite
Measuring less than a cm, this Scottich Ordovician trilobite Trinodus has a much reduced thorax between the larger head and cephalon

Megapezia footprints
Shown here are the fossilized footprints thought to have been made c. 340m yrs ago by Megapezia. Specimen originates from Yorkshire, England

Calymene, trilobite
This specimen dates from the Middle Silurian, Worcestershire. Trilobites are among the earliest fossils known and ranged from the Lower Cambrian (540 million years ago)

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

Camarotoechi, brachiopod
Shown here is a slab containing many Silurian brachiopods. Brachiopods belong to their own phylum (Brachiopoda). General characteristics include a pair of protective shells

Wanneria walcottana, trilobite

Permian desert
An artists impression of the Permian desert with huge sandunes and sandstone mountains (290 to 248 million years ago) in Northern England

Psaronius, tree fern
Polished section through the trunk of the tree fern Psaronius, width approximately 15 cm, from Chemnitz, Garmany, dating back to the Permian period, 250 - 299 million years ago

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

Doleorthis, brachiopod
Shown here is Doleorthis, a Silurian brachiopod. Brachiopods belong to their own phylum (Brachiopoda). General characteristics include a pair of protective shells

Calamites sp. cast of trunk
Natural cast of trunk interior of Calamites sp. Approximately 40 cm in length. Curvature indicates that this specimen comes from near the base of the tree. Dates back to the late carboniferous period

Cyclophthalmus senior, insect
A scorpion-like terrestrial insect dating from the Carboniferous to the present

Archaeopteris hibernica, fossilised tree
A fossilised early tree (Archaeopteris hibernica) from the Upper Devonian, first thought to have been a fern frond. The lower section of the branch bears looses cones. Specimen from Kilkenny, Ireland

Platanaster ordovicus, starfish
This echinoid dates from the Ordovician period. Starfish belong to the Echinoderm spiney skinned and were mostly bottom dwellers. They are also characterised by five-fold symmetry

Neuropteris, seed fern
Shown here is the Carboniferous seed fern plant, Neuropteris

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

Glossopteris linearis, fossil leaves
Fossil leaves which lived as a deciduous bushy plant, preserved on a bedding plane of Permian siltstone (Old Agfa film - not possible to duplicate)

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Step back in time and explore the fascinating world of the Paleozoic era. Fossils from this ancient period offer a glimpse into life millions of years ago. Marvel at the intricate details preserved in a trilobite fossil, showcasing the incredible diversity of these extinct arthropods. Discover Archaeopteris hibernica, a fossil plant that once thrived during this era, providing valuable insights into Earth's early forests. Transport yourself to a coal forest diorama, where lush vegetation dominated the landscape. Admire St. Cuthberts Beads, an exquisite rosary made from crinoid columnals—a testament to human creativity even in prehistoric times. Unearth Calymene blumenbachii brongniart, another remarkable trilobite species that roamed ancient seas. Explore Cooksonia pertoni, a beautifully preserved fossilized plant that sheds light on early land-dwelling organisms. Immerse yourself in a Permian landscape and witness its unique beauty and biodiversity. Encounter Eurypterus, an impressive eurypterid fossil whose elongated body hints at its aquatic lifestyle. Delve deeper into the Paleozoic era with Phacops—a stunning trilobite specimen boasting intricate exoskeletal patterns. Meet Dalmanites, yet another captivating trilobite species that once inhabited primordial oceans. Finally, marvel at Asaphus (Neoasaphus) kowalewskii—an extraordinary stalk-eyed trilobite displaying nature's ingenuity through its distinctive eyes. The Paleozoic era holds countless wonders waiting to be discovered—fascinating fossils revealing secrets about our planet's past and offering glimpses into ancient ecosystems like never before imagined.