Devonian Collection (#4)

Devonian slates C017 / 8317
Devonian slates. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8318
Devonian slates. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8319
Devonian slates. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8312
Devonian slates. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8316
Devonian slates and mussels. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8314
Devonian slates and barnacles. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8315
Devonian slates. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Devonian slates C017 / 8313
Devonian slates. Close-up of banded Devonian coastal rocks and coloured slates at Polzeath, Cornwall, UK. Slate is a metamorphic rock

Nautiloid fossil C016 / 5774
Nautiloid (Bactrites carinatus) fossil. This straight nautiloid originates from the Devonian period (419-358 million years ago) and was found in Germany

Fossil lobe-finned fish C016 / 5601
Fossil lobe-finned fish (Chirodipterus australis). 374 million year old specimen of the early lobe-finned fish (Cheiopterus australis)

Early Devonian landscape, artwork C016 / 5347
Early Devonian landscape. Artwork of early vascular plants growing on land during the Early Devonian period (420 to 395 million years ago). The Sun is low in the sky above a mountain range

Early Devonian landscape, artwork C016 / 5348
Early Devonian landscape. Artwork of early vascular plants (Rhynia) and larger fungal or lichen-like organisms (Prototaxites)

Pterichthyodes, fish fossil C016 / 5043
Pterichthyodes, fish fossil. This fossil (left) dates from the Devonian period, about 370 million years ago. At right is a paper model built by 19th-century Scottish geologist Hugh Miller (1802-1856)

Hydnoceras tuberosum, glass sponge fossil C016 / 4994
Hydnoceras tuberosum, glass sponge fossil. Glass sponges are also known as hexactinellid sponges. They are a form of sponge, with a silaceous skeleton

Eusthenopteron foordi, reptile fossil C016 / 4970
Eusthenopteron foordi, reptile fossil. This specimen shows the head and pectoral fin. This reptile dates from the Upper Devonian. The specimen is from Scaumenac Bay, P.Q. Canada

Thursophyton elberfeldense, plant fossils C016 / 4911
Thursophyton elberfeldense, plant fossils. This fine-grained shale block contains fossils of massed stick-like stems of early land plants. It is approximately 27 centimetres across

Archaeopteris hibernica, tree fossil C016 / 4876
Archaeopteris hibernica, fossilised tree branch. The lower section of the branch bears looses cones. This early tree from the Upper Devonian was first thought to have been a fern frond

Protobarinophyton, plant fossil C016 / 4874
Protobarinophyton obrutschevii, plant fossil. These fossilised leafless stems are topped by a cone-like array of spore sacs around 3 millimetres across

Bactrites carinatus, nautiloid
This straight nautiloid Bactrites carinatus originates from the Devonian of Germany

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

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

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

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

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

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

Thursius pholidotus, fossil fish
This shows a Devonian fish originating from the Old Red Sandstone near Thurso, Scotland

Calymene blumenbachii, trilobites
Specimens of this Devonian trilobite in various positions. Trilobites had a carapace, or shell. Trilobites were arthropods as crustaceans, spiders and insects are today

Thursophyton elberfeldense
Massed stick-like stems of early land plants preserved in a fine-grained shale block, approx. 27 cm wide. Thursophyton elberfeldense fossil

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

Eusthenopteron foordi
A fossil specimen of the head and pectoral fin of Eusthenopteron foordi, an Upper Devonian reptile from Scaumenac Bay, P.Q. Canada

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

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

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

Asteroxylon mackiei, clubmoss
A wax model reconstruction of the Early Devonian plant Asteroxylon mackiei, a clubmoss, approximately 10cm tall. Original specimen discovered at Rhynie Chert, Scotland

Hemicyclaspis murchisoni and Thyestes egertoni, fossil fishe
Fossil fishes from the Devonian Period, found in Ledbury, Herefordshire. Specimens are on display at the Natural History Museum, London

Hydnoceras, a hexactinellid sponge
Over 17 cm tall, this natural cast of the hexactinellid sponge Hydnoceras comes from Devonian rocks of New York State

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

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

380 million year old rocks
Block specimens of 380 million year old fossil bearing rocks being transported, Latvia

Chirodipterus australis, early lobe-finned fish
A 374 million year old specimen of the early lobe-finned fish (Cheiopterus australis). Originating from the Late Devonian, Gogo, Western Australia

Eusthenopteron foordi, early lobe-finned fish
A 374 million year old specimen of a lobe-finned fish from the Late Devonian, Canada

Devonian landscape
An impression by Bridget Kempster of the Old Red Sandstone desert of the Devonian period (417 to 354 million years ago)

Protobarinophyton obrutschevii
The fossilised leafless stems of Protobarinophyton obrutschevii topped by a cone-like array of sopre sacs. Approximately 3 mm wide

Rhynia major, fossilised plant
A complete soft tissue preservation at the cellular level in Rhynia major. Transverse section through stem, approximately 2mm in diameter. From Rhynie Chert, Scotland, Early Devonian

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The Devonian period, spanning from 419. 2 to 358. 9 million years ago, was a time of remarkable geological and biological changes on Earth. Fossils like the trilobite and Archaeopteris hibernica provide glimpses into this ancient world. A beautifully preserved Trilobite fossil takes us back in time to when these arthropods thrived in the oceans. Their intricate exoskeletons tell tales of their existence during the Devonian era. Meanwhile, the discovery of Archaeopteris hibernica, a fossil plant, sheds light on the evolution of land plants during this period. It reveals how vegetation began colonizing terrestrial environments, forever changing our planet's landscape. Looking at a lithograph depicting the European Alps' geological map from 1897 reminds us that even millions of years ago, tectonic forces shaped our continents as they do today through processes like continental drift. Doryaspis gracefully swimming amongst Anthozoa showcases the diverse marine life that flourished during this era. These fish-like creatures coexisted with other fascinating organisms such as Calymene blumenbachii brongniart and Phacops - both trilobites that roamed ancient seas. Fossilized plants like Cooksonia pertoni give us insight into early land ecosystems where simple yet pioneering flora paved the way for future botanical diversity we see today. Examining a common horsetail spore under an SEM microscope allows scientists to study its microscopic features and understand how it contributed to plant reproduction during Devonian times. In Wales' Brecon Beacons National Park lies Cribyn mountain viewed from Pen y Fan - a breathtaking sight reminiscent of landscapes witnessed by those living in or visiting Wales during this epoch centuries ago. Beyond fossils and natural wonders, there are also glimpses into human history tied to Devonian.