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Rare AllocrioCERAS Conlini Heteromorph Fossil Ammonite Eagle Ford Cretaceous
Rare AllocrioCERAS Conlini Heteromorph Fossil Ammonite Eagle Ford Cretaceous - Image 2

Rare AllocrioCERAS Conlini Heteromorph Fossil Ammonite Eagle Ford Cretaceous

Original price was: £120.00.Current price is: £96.00.

This listing features an exceptionally rare Allocrioceras conlini heteromorph ammonite fossil from the Cenomanian stage of the Cretaceous period, discovered in the renowned Eagle Ford Group at Britton Farm, North Dallas, Texas, USA. This fossil is a stunning example of the complex and irregular coiling that defines heteromorph ammonites, making it a standout addition to any collection.

The Allocrioceras conlini ammonite is highly prized for its distinctive morphology and rarity, as specimens from this genus are seldom found. This fossil provides a unique glimpse into the evolutionary adaptations of marine cephalopods that thrived approximately 93-100 million years ago. Furthermore, this specimen originates from the prestigious Alice Purnell Collection, one of the largest and most celebrated private ammonite collections globally, enhancing its scientific and collector value.

Key Details:

  • Species: Allocrioceras conlini (heteromorph ammonite)
  • Age: Cenomanian, Cretaceous (~93-100 million years old)
  • Location: Eagle Ford Group, Britton Farm, North Dallas, Texas, USA
  • Provenance: Alice Purnell Collection

Each fossil is 100% genuine and comes with a Certificate of Authenticity, ensuring its authenticity and quality. The photo provided showcases the exact fossil you will receive, with a scale rule featuring 1cm squares included for accurate sizing.

This rare fossil has been expertly chosen and carefully preserved to retain its natural features and scientific significance. Whether you’re a fossil enthusiast, a collector, or an educator, this ammonite is an extraordinary piece of Earth’s history that makes for a unique display or study specimen.

Don’t miss this rare opportunity to own a one-of-a-kind ammonite fossil with impeccable provenance from the world-famous Alice Purnell Collection. Order today to secure this incredible specimen for your collection!

(Actual as seen)

Only 1 left in stock

SKU: AF0004 Categories: ,

Description

Fossil Identification

This listing features a Very Rare ALLOCRIOCERAS CONLINI heteromorph fossil ammonite, identified with the Eagle Ford Group, Cenomanian, Cretaceous. AllocrioCERAS Conlini is presented here as a collector-focused ammonite fossil from a named geological unit and interval, making it an interesting addition to collections focused on Cretaceous palaeontology, ammonites, invertebrate fossils, or the geology of Texas.

The Cenomanian is a recognised stage within the Cretaceous Period. Ammonites were extinct marine cephalopods related to modern nautiluses, and their coiled shells are among the most recognisable fossils in geological collections. The term “heteromorph” is used in palaeontology for ammonites with shell forms that differ from the more familiar regularly coiled planispiral shape. This identification therefore offers particular interest for collectors studying ammonite diversity and the range of shell forms found in the fossil record.

Geological and Collection Details

The specimen is associated with the Eagle Ford Group and the Cenomanian stage of the Cretaceous. The supplied locality information is BRITTON FARM, North Dallas Texas, US, providing a specific Texas connection for this fossil. Its stated collection history is also notable: From the Alice Purnell Collection. These details make the piece suitable for fossil display, a teaching collection, a geological cabinet, or a specialist ammonite collection.

The Eagle Ford Group is widely recognised as an important Cretaceous geological unit, and a specimen identified from this group can provide a useful physical connection to the study of Cretaceous rocks and fossil life. The combination of the AllocrioCERAS Conlini identification, heteromorph ammonite classification, Cenomanian age, and Eagle Ford Group association gives this item strong subject appeal for collectors who value documented geological context.

Display and Sizing

This fossil can be displayed as part of an ammonite collection, a Cretaceous fossil arrangement, or a broader natural history presentation. Its heteromorph identification makes it especially suitable for comparison with more conventionally coiled ammonites, while the named geological association adds educational value for anyone interested in fossil classification and stratigraphy.

Full sizing is shown in the photographs. The photograph shows the actual specimen you will receive. Please review the images carefully for the complete visual presentation and scale of the individual fossil offered in this listing.

Authenticity and Certificate

This Fossil is a genuine specimen and Includes a fully hand-signed Premium Certificate of Authenticity.

The certificate accompanies the specimen and provides an important record for collectors who value authenticated natural history material. Together with the stated identification, geological association, locality information, and Alice Purnell Collection connection, the documentation supports a well-presented addition to a fossil or palaeontology collection.

Additional information

Weight 0.1 g
Dimensions 10 × 10 × 10 cm

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