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



Featured Fossil


This page features a fossil with details about the specimen, its age,

where it was found, and a nugget of interesting information. Not every

specimen will be perfectly preserved - but all are a marvel of the natural world!

All geological time periods are represented.


Balanocrinus  is an ornate star-shape crinoid columnal from the Jurassic.

Fossil Type:



Balanocrinus sp.




Lias, Lower Jurassic


San Pedro Moel, Portugal


Star-shaped crinoid columnals are found across the Phanerozoic, but reached their acme in the Jurassic with Pentacrinus and related genera like the ornate Balanocrinus.  This fossil is 5mm across. Anonymous collection.

Date Posted:

February 4, 2016


“Featured Fossil” is taking a break for one week.


Archived Featured Fossils

Archived images are now arranged in each category by geological time period.

How to Submit a Featured Fossil

Created April 12, 2012