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....

 

Promicroceras planicostata is a common Early Jurassic ammonite in England

Fossil Type:

Cephalopod (Ammonite)

Name:

Promicroceras planicostata

Formation:

Obtusum zone, Lias Beta

Age:

Upper Sinemurian, Early Jurassic

Location:

Charmouth, Dorset, England

Notes:

A common ammonite in the Lower Jurassic of England, it occurs in deposits with multiple specimens. Ammonites serve as index fossils due to their fast evolution as evidenced in the fossil record. Anonymous collection. Scale = 2 cm

Date Posted:

July 2, 2015

 

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 July 3, 2015.