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...

Fossil Type:

Crinoid

Name:

Synbathocrinous swallovi Hall

Formation:

Salem Limestone

Age:

Meramecean, Middle Mississippian

Location:

Georgetown, Floyd Co., Indiana

Notes:

The basal cup of the crinoid separates the stalk or column to body plates that connect to the arms. This genus has a simple design. Silicified, this specimen was found in terra rosa or red clay where the limestone decomposed. Click here for an interior view. Anonymous collection. FOV = 2cm

Date Posted:

April 26, 2017

 

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 April 27, 2017