Hectioceras (Puteliceras) metomphalum Fossil Ammonite, Callovian Jurassic, Montrail-Bellay France – Authentic Specimen with COA
£ 14.40
Presenting a rare and genuine Hectioceras (Puteliceras) metomphalum fossil
ammonite, originating from the Callovian Stage of the Middle Jurassic Period, collected in Montrail-Bellay, France. This fossil represents a classic Middle Jurassic ammonite with scientific importance and aesthetic appeal.Taxonomic Classification:
• Genus: Hectioceras (subgenus Puteliceras)
• Species: metomphalum
• Order: Ammonitida
• Superfamily: Stephanoceratoidea
• Family: Perisphinctidae
• Initially described in the 19th century and refined by successive studies, Hectioceras is a well-known European ammonite genus valuable for Jurassic stratigraphyGeological Context:
• Stage: Callovian (Middle Jurassic)
• Age: Approx. 166 to 163 million years ago
• Location: Montrail-Bellay, France
• Depositional Environment: Shallow, warm marine shelf with carbonate sedimentation, part of the Tethyan realm; ideal conditions for ammonite preservation
• Biozone: Associated with mid-Callovian ammonite assemblages used in European and global biostratigraphyMorphological Features:
• Evolute shell with all whorls visible
• Dense, bifurcating ribbing across the flanks, merging at strong ventrolateral tubercles
• Broad, rounded venter sometimes exhibiting a shallow keel
• Umbilicus moderately wide, characteristic of the genus
• Suture lines visible in well-preserved specimensScientific & Collector Significance:
• Hectioceras (Puteliceras) metomphalum is widely cited in studies of Middle Jurassic ammonite evolution and distribution
• Fossils from Montrail-Bellay are sought after due to their excellent preservation and clarity of morphological features
• Ideal for collectors, educators, and researchers focusing on Jurassic paleontology or cephalopod evolutionThe specimen shown includes a 1cm scale cube for reference. You will receive the exact fossil pictured, professionally prepared and carefully chosen for quality.Authenticity Guaranteed: This is a 100% genuine fossil ammonite, and your purchase comes with a Certificate of Authenticity. It makes a beautiful display piece or a valuable addition to a scientific collection.Please review all photos for full sizing and condition. A superb opportunity to acquire a well-preserved Callovian Hectioceras (Puteliceras) from one of France's most celebrated fossil sites.
ammonite, originating from the Callovian Stage of the Middle Jurassic Period, collected in Montrail-Bellay, France. This fossil represents a classic Middle Jurassic ammonite with scientific importance and aesthetic appeal.Taxonomic Classification:
• Genus: Hectioceras (subgenus Puteliceras)
• Species: metomphalum
• Order: Ammonitida
• Superfamily: Stephanoceratoidea
• Family: Perisphinctidae
• Initially described in the 19th century and refined by successive studies, Hectioceras is a well-known European ammonite genus valuable for Jurassic stratigraphyGeological Context:
• Stage: Callovian (Middle Jurassic)
• Age: Approx. 166 to 163 million years ago
• Location: Montrail-Bellay, France
• Depositional Environment: Shallow, warm marine shelf with carbonate sedimentation, part of the Tethyan realm; ideal conditions for ammonite preservation
• Biozone: Associated with mid-Callovian ammonite assemblages used in European and global biostratigraphyMorphological Features:
• Evolute shell with all whorls visible
• Dense, bifurcating ribbing across the flanks, merging at strong ventrolateral tubercles
• Broad, rounded venter sometimes exhibiting a shallow keel
• Umbilicus moderately wide, characteristic of the genus
• Suture lines visible in well-preserved specimensScientific & Collector Significance:
• Hectioceras (Puteliceras) metomphalum is widely cited in studies of Middle Jurassic ammonite evolution and distribution
• Fossils from Montrail-Bellay are sought after due to their excellent preservation and clarity of morphological features
• Ideal for collectors, educators, and researchers focusing on Jurassic paleontology or cephalopod evolutionThe specimen shown includes a 1cm scale cube for reference. You will receive the exact fossil pictured, professionally prepared and carefully chosen for quality.Authenticity Guaranteed: This is a 100% genuine fossil ammonite, and your purchase comes with a Certificate of Authenticity. It makes a beautiful display piece or a valuable addition to a scientific collection.Please review all photos for full sizing and condition. A superb opportunity to acquire a well-preserved Callovian Hectioceras (Puteliceras) from one of France's most celebrated fossil sites.
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