Dean R. Richmond

3 Questions 1 Answers 0 Followers

Questions related from Dean R. Richmond

Miocene Astoria Formation Ichnofossils?

Could someone help me identify some marine trace fossils? I usually work in terrestrial depositional environments and am therefore unfamiliar with the numerous trace fossils found in deep marine...

29 April 2025 2,725 0 View

I have a fossilized Jurassic-aged algae - Can anyone share ideas on a similar modern algae?

This unidentified organic material (algae?) comes from the 150-million-year-old Upper Jurassic Morrison Formation of central Montana. It was found in a terrestrial carbonate mound currently...

05 February 2020 3,901 2 View

Anyone familiar with unionid bivalves from the Upper Jurassic Morrison Formation?

I am working with unionid bivalves from the Upper Jurassic Morrison Formation and have found what I believe is a new genus. I am currently reviewing the Smithsonian collection of Yen and the...

30 March 2017 5,399 3 View