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...

 

Eleaecrinus blastoid interior covered with quartz crystals

Fossil Type:

Blastoid

Name:

Eleaecrinus sp.

Formation:

Beechwood

Age:

Givetian, Middle Devonian

Location:

Louisville, Jefferson Co., Kentucky

Notes:

This unusual specimen shows the internal view of the blastoid ambulacral plates. In a chert nodule, they are coated with fine quartz crystals. Anonymous collection.

Date Posted:

June 22, 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 June 23, 2017