Asteroceras Collection

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

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

Ammonite fossils C016 / 4870
Ammonite fossils. Ammonites, now extinct, were marine invertebrate molluscs with a spiral shell, most less than 20 centimetres across

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

Ammonites in a Jurassic sea. Artwork of Asteroceras ammonites swimming amongst crinoids (feathery stalked organisms) and corals at the time of the Jurassic period (200 to 145 million years ago)

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Asteroceras: A Glimpse into the Ancient Seas 🌊🐚 Step back in time and explore the fascinating world of Asteroceras, a genus of fossil ammonite that thrived millions of years ago. These incredible creatures, preserved as Ammonite fossils C016 / 5969 and C016 / 4870, offer us a window into Earth's prehistoric oceans. Crafted from exquisite Ammonite marble, these stunning specimens showcase the intricate spiral shells that once housed these ancient cephalopods. The delicate beauty and its companion Promicroceras ammonites is truly awe-inspiring. Ammonites have captivated scientists and enthusiasts alike for centuries with their remarkable diversity. From large to small, their sizes range across an impressive spectrum. Some even serve as memorial stones, forever preserving the memory of loved ones who have passed on. The selection of fossil ammonites available allows collectors to curate their own piece of history. Among them is Asteroceras obtusum, known for its distinctive rounded shell shape. Another notable find includes Asteroceras marstonensis alongside Promicroceras ammonites—a testament to the coexistence and interconnectedness within ancient ecosystems. As we marvel at these extraordinary relics from our planet's past, let us appreciate how they remind us of our ever-changing world. Each Asteroceras tells a story waiting to be discovered; it invites us to ponder life's mysteries while honoring those who came before us.