Rare authentic fossilized Ichthyosaur vertebra and rib fragment in matrix, 1.0 cm diameter and 3.8 cm length, 180 million years old, Jurassic, Germany

RON 499,99

Rare authentic fossilized Ichthyosaur vertebra and rib fragment from Germany, approximately 180 million years old, in natural matrix. The specimen comes with a plastic display stand included and is accompanied by a Certificate of authenticity signed by a professional geologist who appraised the specimen. A very rare natural fossil association, contemporary with dinosaurs, perfect for any collector and paleontology enthusiast!

Due to the age of the specimen and local extraction methods, the specimen may exhibit imperfections and repaired areas (glued sections) that are completely normal and unavoidable, but it is overall in good condition. We invite you to carefully review the product photos to identify any natural imperfections or potential repairs on the specimen.

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Specimen: authentic fossilized Ichthyosaur vertebra and rib fragment (Stenopterygius sp. ?) in natural matrix

Age: approximately 180 million years old, Jurassic period

Specimen dimensions: approximately 1.0 cm diameter vertebra and approximately 3.8 cm length of the bone fragment (Please take a look at the photo where the specimen is placed next to the ruler/in the hand to get an idea of its size)

Matrix dimensions: approximately 9.5 cm length on the long side

Country of origin: Posidonia Formation, Holzmaden, Germany

The product consists of a single Ichthyosaur vertebra and a single Ichthyosaur rib fragment authentic fossilized in natural matrix, those in the pictures above, and comes with a plastic display stand and a brochure containing specific geological and paleontological information, as well as a Certificate of authenticity signed by a professional geologist who examined the specimen.

1 in stock

Description

Ichthyosaurs (“fish lizards”) were a group of predatory marine reptiles that lived from approximately 250 million years ago, during the Triassic, until approximately 90 million years ago, during the Cretaceous. They evolved from terrestrial reptiles that returned to aquatic environments, comparable to the transition made by the terrestrial mammalian ancestors of modern dolphins and whales. Their fish-like features and adaptations provide an example of convergent evolution. Ichthyosaurs were extremely widespread during the Triassic and early Jurassic periods, until their niche as aquatic top predator was taken over by Plesiosaurs.

Species of Ichthyosaurs ranged from 1 to 26 metres in length and resembled both fishes and modern dolphins. Their limbs had become flippers, and their tail fin provided powerful propulsion. They had pointed snouts, with jaws often bearing conical teeth for capturing small prey. Some species had larger, blade-like teeth suited to capturing larger animals. Their very large eyes were adapted to diving at depth. Ichthyosaurs breathed air, were warm-blooded, and gave birth to live young. Many, if not all, species had a layer of fat for insulation.

Illustration of Ichthyosaur Ophthalmosaurus icenicus
Illustration Ichthyosaur – Wikipedia – the image has a strictly illustrative role and is not part of the product

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