Fossils for Sale - High-quality BRITISH and WORLDWIDE Fossils. An impressive selection of fossils, including Ammonites, Trilobites, Belemnites, Fossil Fish, Fossil Shark Teeth, Fossilised Insects in Amber, Dinosaurs, and Reptiles. UK Fossils was formed in 1988 and collects and preps our own fossils in the heart of the Jurassic Coast, collecting fossils from Lyme Regis, Charmouth and Somerset. Our passion for fossils is reflected in our carefully curated collection, which includes some of the rarest and most unique specimens available.
Orthosphinctes tiziani Fossil Ammonite – Middle Callovian Jurassic – Bulgaria – Genuine Fossil with Certificate
£18.00
This listing is for a beautifully preserved Orthosphinctes tiziani fossil ammonite from the Middle Callovian Stage of the Jurassic Period, discovered in Bulgaria. With its intricate ribbing and distinctive spiral, this ammonite specimen is an excellent representation of mid-Jurassic marine life. The photo shows the exact fossil you will receive, and the scale cube = 1cm gives a clear size reference. Please examine the photo carefully for exact measurements.
Species & Classification:
Genus & Species:Orthosphinctes tiziani
Type: Fossil Ammonite (Extinct Marine Cephalopod)
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Aspidoceratidae
Phylum: Mollusca
Class: Cephalopoda
Geological & Stratigraphic Context:
Geological Period: Jurassic
Stage: Middle Callovian (~165 million years ago)
Zone (if applicable): Possibly Athleta or Erymnoceras Biozones, though precise locality would determine this
Locality: Bulgaria (exact site may influence zonation)
Depositional Environment: Shallow epicontinental marine environment, typical of Tethyan realm carbonate platforms during the Jurassic
Morphological Features:
Moderately involute shell with a wide umbilicus
Prominent, bifurcating ribs crossing the flanks with regular spacing
Smooth venter (outer edge), characteristic of Orthosphinctes genus
Sutures are moderately complex and diagnostic of Aspidoceratid lineages
Notable Information:
Orthosphinctes tiziani is a well-established marker ammonite for the Middle Callovian and helps correlate strata across Europe
The genus is part of the rich Perisphinctoid radiation of ammonites during the Jurassic
Ammonites like these are often used for relative dating of marine sediments and palaeoenvironmental reconstructions
Why Buy From Us?
100% authentic fossil, responsibly collected and verified
Includes a Certificate of Authenticity
The exact specimen shown in the photos is what you’ll receive
Ideal for collectors, display, educational use, or palaeontological study
This rare and well-detailed Orthosphinctes tiziani ammonite from the Middle Callovian of Bulgaria is a scientifically valuable and visually attractive fossil. A superb addition to any natural history collection or classroom setting.
This listing is for a beautifully preserved Orthosphinctes tiziani fossil ammonite from the Middle Callovian Stage of the Jurassic Period, discovered in Bulgaria. With its intricate ribbing and distinctive spiral, this ammonite specimen is an excellent representation of mid-Jurassic marine life. The photo shows the exact fossil you will receive, and the scale cube = 1cm gives a clear size reference. Please examine the photo carefully for exact measurements.
Species & Classification:
Genus & Species:Orthosphinctes tiziani
Type: Fossil Ammonite (Extinct Marine Cephalopod)
Order: Ammonitida
Superfamily: Perisphinctoidea
Family: Aspidoceratidae
Phylum: Mollusca
Class: Cephalopoda
Geological & Stratigraphic Context:
Geological Period: Jurassic
Stage: Middle Callovian (~165 million years ago)
Zone (if applicable): Possibly Athleta or Erymnoceras Biozones, though precise locality would determine this
Locality: Bulgaria (exact site may influence zonation)
Depositional Environment: Shallow epicontinental marine environment, typical of Tethyan realm carbonate platforms during the Jurassic
Morphological Features:
Moderately involute shell with a wide umbilicus
Prominent, bifurcating ribs crossing the flanks with regular spacing
Smooth venter (outer edge), characteristic of Orthosphinctes genus
Sutures are moderately complex and diagnostic of Aspidoceratid lineages
Notable Information:
Orthosphinctes tiziani is a well-established marker ammonite for the Middle Callovian and helps correlate strata across Europe
The genus is part of the rich Perisphinctoid radiation of ammonites during the Jurassic
Ammonites like these are often used for relative dating of marine sediments and palaeoenvironmental reconstructions
Why Buy From Us?
100% authentic fossil, responsibly collected and verified
Includes a Certificate of Authenticity
The exact specimen shown in the photos is what you’ll receive
Ideal for collectors, display, educational use, or palaeontological study
This rare and well-detailed Orthosphinctes tiziani ammonite from the Middle Callovian of Bulgaria is a scientifically valuable and visually attractive fossil. A superb addition to any natural history collection or classroom setting.
Additional information
Era
Jurassic
Jurassic Information
The Jurassic Period (201–145 million years ago) was the golden age of dinosaurs, with iconic species like Brachiosaurus, Stegosaurus, and Allosaurus dominating the land. It was a time of warm, humid climates, with high sea levels that created vast shallow seas, supporting abundant marine reptiles, ammonites, and early coral reefs. The first birds, such as Archaeopteryx, evolved from small theropod dinosaurs, while early mammals remained small and nocturnal. Lush forests of cycads, conifers, and ferns covered the land, providing food for giant herbivores. The breakup of the supercontinent Pangaea accelerated, shaping Earth's geography and setting the stage for the diverse ecosystems of the Cretaceous.
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