Asteroceras obtusum – Ammonite Fossil, Early Jurassic, Huancayo, Peru matrix-free ammonite and a connection to Earth’s

and a connection to Earth’s ancient past

as it also contains Limonite and Green Moonstone

and create a pure

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each piece will vary in shape

Asteroceras obtusum – Ammonite Fossil, Early Jurassic, Huancayo, Peru matrix-free ammonite and a connection to Earth’sAsteroceras obtusum (Sowerby, 1817) A robust, evolute ammonite species from the Early Jurassic, known for its broad whorls and shallow ribbing. Each specimen, measuring 25mm in diameter, was collected from Huancayo, Peru, and has been expertly prepared with the surrounding matrix fully removed. Taxonomy: Family Arietitidae Chronostratigraphy: Lower Jurassic, likely Sinemurian Stage (~199190 Ma) Provenance: Huancayo, Peru (from an old collection, no