Arietitidae Collection

Asteroceras, fossil ammonite
A 16 cm diameter specimen of the Jurassic ammonite Asteroceras from the Lower Jurassic of Dorset, England

Arietites is a genus of massive, giant evolute, psiloceratacean ammonites in the family Arietitidae in which whorls are
Illustration of a Arietites is a genus of massive, giant evolute, psiloceratacean ammonites in the family Arietitidae in which whorls are subquadrate and transversely ribbed

Ammonite fossils C016 / 5969
Ammonites fossils. Rock containing numerous Asteroceras sp. and Promicroceras sp. ammonites. Natural History Museum, London, UK

Ammonite marble
Asteroceras (large shells) and Promicroceras (small shells) ammonites, seen here in the polished surface of a specimen of marble originating from the Lower Lias, near Yeovil, Somerset

Asteroceras and promicroceras, ammonites
A rock specimen containing Asteroceras (large shell) and Promicroceras (small shell) ammonites from the Lower Lias, Marston Magna, near Yeovil, Somerset

Fossil ammonites used as memorial stone
Asteroceras marstonense (larger ammonites) and Promicroceras marstonensis (smaller ammonites) used as a memorial stone. Specimen originates from Spath Lower Lias, Marston Magna, Somerset, England

Ammonite selection
Three ammonites as follows: (Left to right) Oistoceras wrighti; Asteroceras obtusum (zonal index species); Tragophylloceras loscombi all specimens originate from the Jurassic rocks near Lyme Regis

Asteroceras obtusum, ammonite
Shown here is a Jurassic ammonite. Ammonites are an extinct group of fossil cephalopods related to todays Nautilus

Asteroceras marstonensis and Promicroceras, ammonites

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"Arietitidae: Unveiling the Majestic World of Fossil Ammonites" Step back in time and explore the captivating world of Arietitidae, a family of ancient ammonites that once roamed the oceans. Among them, Asteroceras stands out with its intricate beauty. With its subquadrate whorls adorned by transverse ribs and low keels in triplicate, separated by longitudinal grooves, it is truly a sight to behold. Imagine holding an Ammonite fossil C016/5969 in your hands – a window into prehistoric life frozen in time. These fossils provide us with invaluable insights into Earth's history and evolution. Ammonite marble showcases nature's artistic prowess as these stunning stones bear the imprints of long-extinct creatures. The delicate forms of Asteroceras and Promicroceras ammonites are etched onto this unique material, creating mesmerizing patterns that captivate all who gaze upon them. Fascinatingly diverse, ammonites come in various shapes and sizes. Their spiral shells tell tales of their existence millions of years ago. Some even serve as memorial stones, preserving the memory of loved ones forever within their fossilized embrace. The selection is vast when it comes to ammonite fossils used for decorative purposes or scientific study alike. Each piece holds its own story waiting to be discovered – from Asteroceras obtusum to Asteroceras marstonensis and Promicroceras; each one tells a tale from our planet's distant past. As we marvel at these ancient treasures, let us remember that they were once living beings inhabiting an oceanic realm vastly different from our own. Through Arietitidae fossils like those found among Ammonite marble or memorial stones, we can connect with our planet's rich history while appreciating the beauty left behind by these magnificent creatures called ammonites.