Silurian Collection

Eurypterus, a fossil eurypterid
The paddles used for swimming are very conspicuous in the Silurian eurypterid Eurypterus from New York State. This individual measures 12 cm in length

Calymene blumenbachii brongniart, trilobite
This trilobite originates from the 425 million year old Devonian Wenlock Limestone, Dudley, Worcestershire

Dalmanites, a fossil trilobite
This example of the Silurian trilobite Dalmanites, 4.2 cm long, shows to perfection the complex dorsal exoskeleton of these extinct arthropods

Calymene blumenbachii, trilobite model
Depicted here is a model of a Silurian-Devonian trilobite. Trilobites had a carapace, or shell. They were arthropods as crustaceans, spiders and insects are today

Dimerocrinus, fossil crinoid
Dimerocrinus, a small stemmed crinoid (sea-lily) of Silurian age. The long stem supports a 1.8 cm high crown mostly consisting of the arms employed in feeding

Kodonophyllum truncatum, fossil coral
Kodonophyllum truncatum (Linne) from the Silurian period, Dudley, West Midlands, England

Fossiliferous limestone
Wenlock Limestone from Dudley. Middle Silurian about 420 million years ago

Concentric Contortions in Silurian Rocks, Glen Strand, Wicklow - a close in view of whirls in exposed rock. (Location: Republic of Ireland; County Wexford; Glen Strand). Date: circa early 1900s

Crumpled Silurian Rocks, Glen Strand, Wicklow - a close in view of lines on an exposed rock. (Location: Republic of Ireland; County Wexford; Glen Strand). Date: circa early 1900s

Basalt Dyke in Silurian Shales, Glasdrummond Co. Down - a view of a dark outcrop of the dyke on the lighter coloured rocks at the seashore. (Location: Northern Ireland; County Down; Glasdrummond)

Fossil Holothurian or sea cucumber
Staurocystis quadrifasciata, 6.5 cm long, from the Silurian, Wenlock Limestone of Dudley in Worcestershire, England

Trimerus, a fossil trilobite
Fully preserved, 10 cm long specimen of the Silurian trilobite Trimerus

Fossils of extinct sea snails or the Silurian to Permian eras.. Handcolored lithograph from Dr. F.A. Schmidts Petrefactenbuch, published in Stuttgart, Germany, 1855 by Verlag von Krais & Hoffmann

Silurian merostomata or sea scorpions.. Woodcut engraving from H. N. Hutchinsons Extinct Monsters and Creatures of Other Days, Chapman and Hall, London, 1894

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

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

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)

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

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

Monograptus, graptolite
Shown here is Monograptus, a slender and delicate Silurian graptolite. Graptolites are the fossil remains of small colonial animals. Graptolite colonies were connected together by living tissue

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

Temnocrinus tuberculatus (Miller)
A fossil specimen of Temnocrinus tuberculatus (Miller), a paleozoic crinoid dating back to the Silurian (440 million years ago), discovered in the Wenlock Limestone bed, Dudley, Worcestershire, UK

Arachnophyllum, coral
Image depicts an Arachnophyllum, a Silurian coral. Corals comprise a soft bodied animal called a polyp. Each polyp inhabits a calcareous skeleton called a corallum

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

Protaxocrinus tuberculatus (Miller)
A fossil specimen of Protaxocrinus tuberculatus (Miller), a crinoid, dating back to the Silurian period (440 million years ago), discovered in the Wenlock Limestone bed, Dudley, Worcestershire, UK

Myedactylus flecheri (Salter)
A fossil specimen of Myelodactylus fletcheri (Salter) dating back to the Silurian period (440 million years ago), discovered in Wenlock Limestone bed, Dudley, Worcestershire, UK

Hallopora, bryozoan
Branch, 15 mm high, of the trepostome bryozoan Hallopora, a genus particularly common in the Silurian which had bushy colonies when alive

Baragwanathia longifolia, clubmoss
A fossilised clubmoss (Baragwanathia longifolia) showing a dense bristly covering of hairs or spiny leaves. Specimen dates back to Late Silurian or Early Devonian, from Victoria, Australia

Dalmanites myops, trilobite
A Silurian fossil trilobite from the Wenlock Limestone, Dudley, Worcestershire. This specimen measures 40mm head to tail

Silurian Scene
Life-forms of the Silurian era

All Professionally Made to Order for Quick Shipping