This picture is of a Dallinella occidentalis (Dall, 1871) modern brachiopod. It was found in Minnesota USA. I cannot find this specimen in t...

Tylocidaris clavigera (Mantell, 1822) cast of a sea urchin fossil found in the Coniacian of the White Chalk subgroup in England.  The cre...

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

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

This picture is of a Prismatophyllum (Simpson, 1900) coral fossil. It was found in Alpena County, Michigan, USA. It dates to the Middle Dev...

  This picture is of a Mawsonites spriggi (Glaessner & Wade, 1966) jellyfish? fossil cast. It was found in south Australia. It dates t...

  This picture is of an Agaricocrinus splendens (Miller & Gurley) crinoid fossil. It was found in the Edwardsville Formation of Montgome...

This picture is of a Latzelia primordialis (Scudder, 1890) centipede fossil cast. It was found in Carbondale Formation of Grundy County, Ill...

  This picture is of an Euproops danae (Meek & Worthen, 1868) horseshoe crab fossil. It was found in Carbondale Formation of Grundy Coun...

This picture is of an Eoscorpius carbonarius (Meek & Worthen, 1868) scorpion fossil cast. It was found in Carbondale Formation of Illino...

Photoshop enhanced and colored from copy of photograph in Miss Emma Carleton scrapbook no. 1, page 11. Date unknown but probably early 1900s...

  This picture is of a Spirifer grimesi (Hall, 1858) brachiopod fossil. It was found in Burlington, Iowa USA. It dates to the Mississippian...

  This picture is of an Lithostrotion coral fossil. It was found in Tennessee USA. It dates to the Mississippian Period. The picture was ta...

  This picture shows an interesting fossil. It is an Amecystis laevis (Raymond, 1921) which is a cystoid. It was found in Bobcaygeon Format...

Here is another Louisville area fossil on display in the Deep Time Exhibit. It is a Modiomorpha concentrica (Conrad, 1838) which is an exti...

This fossil is an Wiwaxia sp. (Walcott, 1911) which might be an extinct mollusc. It was found by Charles Walcott (1850-1927) in 1911 in B...

  This fossil is an Opabinia regalis (Walcott, 1912) which is an extinct arthropod. It was found by Charles Walcott (1850-1927) in 1912 in...

  This picture was taken in June 2023 while visiting Washington D.C.'s Smithsonian Museum of Natural History. It is the Platyceras dumos...

Image courtesy of the Smithsonian Institution Specimen Catalog Number:  USNM PAL 35091 Specimen 2 GUID:     http://n2t.net/ark:/65665/m3c65a...

Image courtesy of the Smithsonian Institution Specimen Catalog Number:  USNM PAL 39909 Specimen GUID:     http://n2t.net/ark:/65665/36ce242a...