Phacopida Collection

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

Phacops, a fossil trilobite
This Moroccan Devonian Phacops is enrolled, measuring 4.5 cm in width, and has a glabella covered in tubercles

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

Dalmanites is a genus of trilobite in the order Phacopida. They lived from the Late Ordovician to Middle Devonian
Illustration of a Dalmanites is a genus of trilobite in the order Phacopida. They lived from the Late Ordovician to Middle Devonian

Locust trilobite fossils C016 / 5993
Locust tribolite (Calymene blumenbachii) fossils from Wenlock Limestone, Dudley, West Midlands. They date to the Silurian (period. Natural History Museum, London, UK

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

Erbenochile erbeni (Alberti)
Tower-Eyed Trilobite from the Timrahrhart Formation, Morocco

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

Encrinurus variolaris, trilobite
Trilobites had a carapace, or shell which was divided into three parts. Trilobites were arthropods as crustaceans, spiders and insects are today

Encrinurus sp. Trilobite, fossil in light grey limestone

Tower-eye trilobite fossil C016 / 6222
Tower-eye trilobite (Erbenochile erbeni) fossil. This specimen is from the Timrahrhart Formation, Morocco. Natural History Museum, London, UK

Tower-eye trilobite fossil C016 / 6149
Tower-eye trilobite (Erbenochile erbeni) fossil. This specimen is from the Timrahrhart Formation, Morocco. Natural History Museum, London, UK

Tower-eye trilobite fossil C016 / 6221
Tower-eye trilobite (Erbenochile erbeni) fossil. This specimen is from the Timrahrhart Formation, Morocco. Natural History Museum, London, UK

Tower-eye trilobite fossil C016 / 6220
Tower-eye trilobite (Erbenochile erbeni) fossil. This specimen is from the Timrahrhart Formation, Morocco. Natural History Museum, London, UK

Trilobite fossil C016 / 5617
Trilobite (Calymene sp.). Trilobites are among the earliest fossils known and ranged from the Lower Cambrian (540 million years ago) to the Lower Permian (285 million years ago)

Encrinurus punctatus, trilobite fossils C016 / 4927
Encrinurus punctatus, trilobite fossils. Block of rock containing several fossils of the trilobite Encrinurus punctatus. Encrinurus had eyes on stalks

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

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

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)

Encrinurus punctatus, trilobites
A specimen of rock containing several fossils of the Trilobite Encrinurus punctatus. Encrinurus had eyes on stalks and grew to a size of approximatey 5cm

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

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

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

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

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Phacopida: Exploring the Fascinating World of Trilobites Delve into the ancient depths of Earth's history with Phacopida, an intriguing order of trilobites that existed from the Late Ordovician to Middle Devonian periods. Among its diverse members were Calymene blumenbachii brongniart, Dalmanites, Erbenochile erbeni (Alberti), Trimerus, and Encrinurus variolaris. Calymene blumenbachii brongniart was a remarkable species within Phacopida known for its distinct features and widespread distribution. Fossilized specimens of this trilobite have provided valuable insights into their anatomy and behavior. Another notable member is Phacops, a fossil trilobite renowned for its intricate exoskeleton. Its well-preserved fossils have allowed scientists to reconstruct detailed images of these ancient creatures. Dalmanites, belonging to the same order as Phacops, also left their mark in paleontological records. These fascinating trilobites thrived during various geological periods and contributed significantly to our understanding of prehistoric life. Erbenochile erbeni (Alberti) is yet another captivating genus within Phacopida that captivates researchers with its unique characteristics. Fossils discovered in light grey limestone offer glimpses into the past when these magnificent creatures roamed Earth's oceans. Trimerus adds further intrigue to this order with its distinctive appearance and significant presence throughout different time periods. The study of Trimerus fossils has shed light on evolutionary patterns among trilobites. Encrinurus variolaris stands out as an extraordinary example within this group due to its beautifully preserved specimens found worldwide. These stunning fossils provide invaluable information about the morphology and ecology of extinct marine organisms. The Locust trilobite fossils C016 / 5993 are a testament to the diversity and abundance of trilobites during their prime.