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Featured Fossil Archive

 

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

The Last Featured Fossil....

 

Brachiopod Echinoconchus biseriatus with an scanning electron microscope

Fossil Type:

Brachiopod

Name:

Echinoconchus biseriatus (Hall)

Formation:

Salem Limestone

Age:

Meramecian, Middle Mississippian

Location:

Floyd Co., Indiana

Notes:

A very young productid brachiopod, this image was taken with a scanning electron microscope. Note the small crystals encrusting the shell. This species grows as large as 2 cm. R. Turner specimen and image. Scale bar = 200 microns, 0.2 mm.

Date Posted:

January 29, 2015

 

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 January 30, 2015.