Here are some pictures of rhodophyte algae fossils. They were seen at Bailey's Point on the Barren River in Kentucky USA. The fossils ...

This picture is of a Receptaculites oweni (Hall, 1861) algae colony fossil. It was found in Minnesota USA. It dates to the Middle Ordovicia...

These fossils were recently found in Allen County Kentucky USA. They appears to be a rhodophyte algae fossil. These organisms existed in the...

  Here is a green alga fossil called  Palaeonitella sp.  (Kidston & Lang, 1921). It existed in the Devonian Period (417-354 million year...

This fossil is Rhodophyte (red) algae. It was found in the siltstone facies of Salem Limestone of Hardin County Kentucky USA. The plant d...

These images appear to show fossilized discoidal dasycladacean alga called  Receptaculites subturbinatus . It was found in the Waldron Sh...

This picture shows a  Lithothamnium calcareous algae fossil. It was found in Cagliari Sardinia Italy. The fossil dates to the Quaternary...

These pictures show a fossil of calcareous green algae (chlorophytes) from the Ordovician Period. They are called Fisherites sp. of the o...

This rock was found in southern Africa's Greenstone Belt.  The color of the rock definitely matches the formation name.  What is spec...

Picture of an extremely old fossil of red alga.  This fossil is on display at the Smithsonian Museum of Natural History and is called Gryp...

I was volunteering for the KYANA Geological Society on Saturday, September 19, 2009 at the Fossil Festival at the Falls of the Ohio State Pa...