This image features a collection of fossilized items, potentially including a large piece of bone or armor from a placoderm fish, often found in the Arkona formation. 
10 April 2026
Description

The collection in the briefcase appears to contain several fossilized bone fragments and potentially worked stone tools. The centerpiece is a large, curved fossil bone, which shares visual characteristics with mandibles or ribs from prehistoric mammals like the mastodon or dugong. Potential Identifications Based on the visual features of the items in the case: Large Curved Bone: This long, weathered specimen is consistent with a prehistoric mandible (jawbone) or rib segment. Similar fossils have been identified as mastodon leg bones or dugong mandibles. Triangular Fragments: Several smaller pieces have distinct triangular shapes that resemble projectile points or arrowheads, similar to those crafted by early Native American cultures. Worked Stone Tools: Some fragments exhibit jagged edges that may indicate they are ancient scrapers, blades, or hand axes used as tools. Other Fossils: The collection also shows characteristics similar to dinosaur bone fragments, such as those from a Triceratops maxilla or Hadrosaur ribs.

Dimensions

tooth/rib bone shaped/curved/pointed/

Acquired from
Other
For sale
Yes

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