Poecilomorphus cycloides Ammonite Fossil Jurassic Dorset UK Genuine COA Card - Bajocian Inferior Oolite Frogden Quarry
£ 36.00
Poecilomorphus cycloides Ammonite Fossil from Frogden Quarry, DorsetThis is a genuine Poecilomorphus cycloides ammonite fossil from the Inferior
Oolite Group, dating to the Middle Jurassic, Bajocian stage, collected from Frogden Quarry, Oborne, Dorset, UK. This carefully chosen fossil is a collectable British Jurassic marine cephalopod specimen, selected for its natural form, geological interest, and display appeal. It is supplied with a Certificate of Authenticity lifetime guarantee generic card, making it a trusted addition to an ammonite collection, fossil cabinet, educational geology display, natural history collection, or prehistoric gift selection.The photograph shows the actual fossil specimen you will receive. Full sizing and scale can be seen in the photo.Geological Age and FormationThis ammonite comes from the Inferior Oolite Group, one of the classic fossil-bearing Middle Jurassic rock units of southern England. It dates to the Bajocian stage, approximately 170 million years old, a time when ammonites were exceptionally diverse and important in the warm shallow seas that covered much of Europe.The Inferior Oolite Group is well known for its limestones, sandy limestones, shell-rich beds, ironshot horizons, and fossiliferous marine sediments. Across Dorset and nearby counties, these rocks have produced a wide variety of ammonites, belemnites, bivalves, brachiopods, gastropods, echinoids, crinoids, and other marine fossils. Fossils from this group are highly valued because they represent one of Britain’s most important Middle Jurassic marine successions.Location: Frogden Quarry, Oborne, DorsetThis specimen was collected from Frogden Quarry, Oborne, Dorset, a locality associated with the fossil-rich Jurassic deposits of south-west England. During the Bajocian, this part of Dorset was covered by a warm marine environment connected to wider European seas. Sediments accumulated on the seabed, preserving the remains of ammonites and other marine animals within the Inferior Oolite.Dorset is world famous for its Jurassic geology, and fossils from its inland quarries and coastal exposures are prized by collectors for their scientific importance and classic British provenance. A fossil from Frogden Quarry offers a direct connection to the Middle Jurassic seas that once covered this part of southern England.Fossil Type and SpeciesThis fossil is identified as Poecilomorphus cycloides, an extinct ammonite species from the Middle Jurassic. Ammonites were marine molluscs related to modern squid, cuttlefish, octopus, and nautilus. They had hard, coiled external shells divided internally into chambers. The living animal occupied the outer body chamber, while the earlier chambers helped regulate buoyancy, allowing the ammonite to move through the water column.Poecilomorphus is part of the diverse Bajocian ammonite fauna found within the Inferior Oolite Group. Ammonites such as this are important to geology because their rapid evolution and distinctive shell forms make them useful for dating and correlating Jurassic rock layers.Morphology and Notable FeaturesPoecilomorphus cycloides ammonites are appreciated for their classic coiled shell form and Middle Jurassic character. The shell is planispiral, with whorls arranged around the central umbilicus. Depending on preservation, the specimen may show visible whorl structure, ribbing, natural shell texture, mineralisation, and surface detail that records the growth of the animal’s shell.The spiral shell form is one of the most recognisable features of ammonites. Each new whorl represents a later stage of growth, while the internal chambers helped the animal control buoyancy in the sea. The ribs and whorl profile add visual texture and scientific interest, making this fossil suitable for both display and study.As a genuine fossil, this specimen may show natural matrix, mineral staining, fossil shell detail, weathering, small chips, cracks, or areas of natural wear caused by fossilisation and geological history. These features are part of the fossil’s authenticity and individual character. The photo shows the exact specimen being offered, allowing the buyer to view its condition, preservation, size, and display quality before purchase.Middle Jurassic Marine EnvironmentThis Poecilomorphus cycloides ammonite lived in the warm Bajocian seas of what is now Dorset. These marine environments supported a rich ecosystem of swimming cephalopods, seabed invertebrates, fish, and other marine organisms. Ammonites were active swimming or drifting animals, likely feeding on small prey in the water column using tentacles.After death, the ammonite shell settled onto the seabed, where it could become buried by sediment. Over millions of years, mineralisation, compaction, and geological change transformed the shell and surrounding sediment into a fossil. This specimen is a direct link to the marine world of the Middle Jurassic, when dinosaurs lived on land and ammonites were among the most successful animals in the oceans.Authenticity and CollectabilityThis Poecilomorphus cycloides ammonite fossil is a genuine specimen from Frogden Quarry, Oborne, Dorset, UK, dating to the Bajocian of the Middle Jurassic within the Inferior Oolite Group. It is suitable for collectors of British fossils, Dorset fossils, Jurassic ammonites, Inferior Oolite fossils, marine cephalopods, natural history specimens, educational geology pieces, and display fossils.This carefully selected fossil includes a Certificate of Authenticity lifetime guarantee generic card, and the fossil shown in the photo is the actual specimen you will receive.
Oolite Group, dating to the Middle Jurassic, Bajocian stage, collected from Frogden Quarry, Oborne, Dorset, UK. This carefully chosen fossil is a collectable British Jurassic marine cephalopod specimen, selected for its natural form, geological interest, and display appeal. It is supplied with a Certificate of Authenticity lifetime guarantee generic card, making it a trusted addition to an ammonite collection, fossil cabinet, educational geology display, natural history collection, or prehistoric gift selection.The photograph shows the actual fossil specimen you will receive. Full sizing and scale can be seen in the photo.Geological Age and FormationThis ammonite comes from the Inferior Oolite Group, one of the classic fossil-bearing Middle Jurassic rock units of southern England. It dates to the Bajocian stage, approximately 170 million years old, a time when ammonites were exceptionally diverse and important in the warm shallow seas that covered much of Europe.The Inferior Oolite Group is well known for its limestones, sandy limestones, shell-rich beds, ironshot horizons, and fossiliferous marine sediments. Across Dorset and nearby counties, these rocks have produced a wide variety of ammonites, belemnites, bivalves, brachiopods, gastropods, echinoids, crinoids, and other marine fossils. Fossils from this group are highly valued because they represent one of Britain’s most important Middle Jurassic marine successions.Location: Frogden Quarry, Oborne, DorsetThis specimen was collected from Frogden Quarry, Oborne, Dorset, a locality associated with the fossil-rich Jurassic deposits of south-west England. During the Bajocian, this part of Dorset was covered by a warm marine environment connected to wider European seas. Sediments accumulated on the seabed, preserving the remains of ammonites and other marine animals within the Inferior Oolite.Dorset is world famous for its Jurassic geology, and fossils from its inland quarries and coastal exposures are prized by collectors for their scientific importance and classic British provenance. A fossil from Frogden Quarry offers a direct connection to the Middle Jurassic seas that once covered this part of southern England.Fossil Type and SpeciesThis fossil is identified as Poecilomorphus cycloides, an extinct ammonite species from the Middle Jurassic. Ammonites were marine molluscs related to modern squid, cuttlefish, octopus, and nautilus. They had hard, coiled external shells divided internally into chambers. The living animal occupied the outer body chamber, while the earlier chambers helped regulate buoyancy, allowing the ammonite to move through the water column.Poecilomorphus is part of the diverse Bajocian ammonite fauna found within the Inferior Oolite Group. Ammonites such as this are important to geology because their rapid evolution and distinctive shell forms make them useful for dating and correlating Jurassic rock layers.Morphology and Notable FeaturesPoecilomorphus cycloides ammonites are appreciated for their classic coiled shell form and Middle Jurassic character. The shell is planispiral, with whorls arranged around the central umbilicus. Depending on preservation, the specimen may show visible whorl structure, ribbing, natural shell texture, mineralisation, and surface detail that records the growth of the animal’s shell.The spiral shell form is one of the most recognisable features of ammonites. Each new whorl represents a later stage of growth, while the internal chambers helped the animal control buoyancy in the sea. The ribs and whorl profile add visual texture and scientific interest, making this fossil suitable for both display and study.As a genuine fossil, this specimen may show natural matrix, mineral staining, fossil shell detail, weathering, small chips, cracks, or areas of natural wear caused by fossilisation and geological history. These features are part of the fossil’s authenticity and individual character. The photo shows the exact specimen being offered, allowing the buyer to view its condition, preservation, size, and display quality before purchase.Middle Jurassic Marine EnvironmentThis Poecilomorphus cycloides ammonite lived in the warm Bajocian seas of what is now Dorset. These marine environments supported a rich ecosystem of swimming cephalopods, seabed invertebrates, fish, and other marine organisms. Ammonites were active swimming or drifting animals, likely feeding on small prey in the water column using tentacles.After death, the ammonite shell settled onto the seabed, where it could become buried by sediment. Over millions of years, mineralisation, compaction, and geological change transformed the shell and surrounding sediment into a fossil. This specimen is a direct link to the marine world of the Middle Jurassic, when dinosaurs lived on land and ammonites were among the most successful animals in the oceans.Authenticity and CollectabilityThis Poecilomorphus cycloides ammonite fossil is a genuine specimen from Frogden Quarry, Oborne, Dorset, UK, dating to the Bajocian of the Middle Jurassic within the Inferior Oolite Group. It is suitable for collectors of British fossils, Dorset fossils, Jurassic ammonites, Inferior Oolite fossils, marine cephalopods, natural history specimens, educational geology pieces, and display fossils.This carefully selected fossil includes a Certificate of Authenticity lifetime guarantee generic card, and the fossil shown in the photo is the actual specimen you will receive.
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