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Connecting the environment of the ancient past with the natural and cultural history of yesterday and today.















 

 


Featured Fossil Archive

 

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

The Last Featured Fossil....

Mississippian sponge spicule - scanning electron microscope image 60x magnification

Fossil Type:

Microfossil

Name:

Sponge spicule

Formation:

Salem Limestone

Age:

Meramecian, Middle Mississippian

Location:

Floyd Co., Indiana

Notes:

A single skeletal element of a fossil sponge. Note scale in lower right, 200 microns. R. Turner specimen and photo.

Date Posted:

October 21, 2014

 

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 October 22, 2014.