Trimerus delphinocephalus Trilobite Eye Fossil

This Trimerus delphinocephalus (Green, 1832) trilobite fossil was found this month. The first picture is a close up of its complex eye.

Fossil was found in the Waldron Shale of Clark County, Indiana, USA. It dates to about 419 million years ago which is the Silurian Period. Thanks to Kenny for the images.

 

Receptaculites oweni Algae Fossil

This picture is of a Receptaculites oweni (Hall, 1861) algae colony fossil. It was found in Minnesota USA. It dates to the Middle Ordovician Period.

The picture was taken in June 2023 on the first floor of the Smithsonian Museum of Natural History in Washington D.C. USA.

Maclurea magna Gastopod Fossils

This picture is of a Maclurea magna (Lesueur, 1818) gastropod fossils. It was found in Chazy, New York, USA. It dates to the Silurian Period.

The picture was taken in June 2023 on the first floor of the Smithsonian Museum of Natural History in Washington D.C. USA.