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Featured Fossil Archive

 

This page links to past Featured Fossils of all geological time periods.

The Last Featured Fossil....

 

Monoplacophoran mollusk Gayneoconus echolsi from Missouri's Upper cambrian

Fossil Type:

Monoplacophoran

Name:

Gayneoconus echolsi Stinchcomb and Angeli

Formation:

Potosi

Age:

Upper Cambrian

Location:

Washington Co., Missouri

Notes:

The Late Cambrian / Early Ordovician rocks of Missouri’s Ozarks contain seven different types of monoplacophorans. This one resembles (but predates) a horn coral. Note the fortification agate matrix. Chris Cozart specimen and photo.

Date Posted:

June 25, 2016

 

Archived Featured Fossils are now organized by geological time period - youngest to oldest.

Invertebrates

      Micro-fossils          Worms          Arthropods: Non-Trilobite          Trilobites

Brachiopods                    Bryozoans                    Porifera (Sponges) 

Corals:               Rugose                    Tabulate                    Scleractinian

Echinoderms: Crinoids                    Echinoids & Asteroids             Extinct Classes

Mollusks: Bivalves               Cephalopods               Gastropods               Other Mollusks

            Graptolites

Vertebrates

Fish                           Mammals                 Reptiles

 

Plants

Algae                 Ferns & Horsetails / Primitive Plants           Angiosperms & Gymnosperms

 

Trace Fossils       Miscellaneous

Featured Fossil Home Page

 

Created April 13, 2012, updated June 26, 2016