Trilobite Fossils in 3-D
These are trilobite fossils provided by Nigel Hughes, of the Museum of Natural History and Science, at the Cincinnati Museum Center. These are the heads of trilobites from about 530 million years ago.
The exposed part of the specimen in this image at left is approximately 15.5 mm wide by 10.5 mm long, with total relief limited to perhaps 1.5 mm.
The exposed part of the specimen in this image at right is approximately 23 mm in diameter.