Modiomorpha concentrica Pelecypod Fossil

Here is another Louisville area fossil on display in the Deep Time Exhibit. It is a Modiomorpha concentrica (Conrad, 1838) which is an extinct clam. It was found in Silver Creek Formation of Clark County Indiana USA. It dates to the Middle Devonian Period.

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

Learn more about this at Smithsonian Department of Paleobiology Collections USNM PAL36267:

http://n2t.net/ark:/65665/3144474e8-1fcc-4ffe-8535-3b86911109aa

Wiwaxia Fossil

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 Burgess Shale of British Columbia Canada. It dates to the Middle Cambrian Period (505 million years ago).

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

Learn more about this genus on Wikipedia:

https://en.wikipedia.org/wiki/Wiwaxia

Opabinia regalis Fossil

 

This fossil is an Opabinia regalis (Walcott, 1912) which is an extinct arthropod. It was found by Charles Walcott (1850-1927) in 1912 in Burgess Shale of British Columbia Canada. It dates to the Middle Cambrian Period (505 million years ago).

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

Learn more about this genus on Wikipedia:

https://en.wikipedia.org/wiki/Opabinia