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.

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Fossil acorn worm, mazoglussus ramsdelli - mazon creek, carboniferous period, usa
Fossil acorn worm, mazoglussus ramsdelli - mazon creek, carboniferous period, usa - Image 2

Fossil acorn worm, mazoglussus ramsdelli – mazon creek, carboniferous period, usa

£14.40

(Actual as seen)

Only 1 left in stock

SKU: FP9246 Category:

Description

Scale cube=1cm: Full sizing please see photo

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity

Name: Essexella asherae (Fossil Worm)
Age: Francis Creek Shale, Mazon Creek Fossil Beds, Carboniferous
Location: Chowder Flats, Morris, Ill, USA

The acorn worms or Enteropneusta are a hemichordate class of invertebrates consisting of one order of the same name. Their closest relatives are the echinoderms. There are 111 known species of acorn worm in the world, the main species for research being Saccoglossus kowalevskii.

ACTUAL AS SEEN: The image shows the EXACT specimen you will receive. The specimen has been carefully hand selected and photographed. Measurements are as accurate as possible, though be aware measuring precise dimensions can be difficult from irregular shaped items. Whilst we portray colours as close to life-like as we can, colours will vary if taken in sunlight, indoors, from monitor to monitor and device to device. Once this specimen is sold, we will update this listing with new similar selected item, with a new photo and dimensions so this listing will change after you purchase. The scale cube in the photo is 1cm to give a visual size.

Additional information

Origin

USA
Era

Carboniferous

Carboniferous Information

The Carboniferous Period (359–299 million years ago) was a time of vast forests, giant insects, and the first reptiles. Named for its extensive coal deposits, this period saw lush swamps filled with towering lycophyte trees, ferns, and horsetails, which would later become today’s coal reserves. The climate was warm and humid, with high oxygen levels fueling the growth of giant arthropods like the dragonfly-like Meganeura and the massive millipede Arthropleura. Amphibians thrived in swampy environments, while the first reptiles evolved, laying eggs on land. In the oceans, sharks and early bony fish dominated, and corals flourished in warm, shallow seas. The period ended with a cooling climate and glaciation, leading to the drying of swamps and the decline of many species.

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