Fossilized Margaretia dorus Cambrian Algae Zebra Marble Bowls First Appeared In Our Oceans

First Appeared In Our Oceans Approximately 521 Million Years Ago Before Going Extinct around 240 Million Years Ago

5" at widest point

Wonderstone was formed from a large layer of ash colored with mineral (particularly iron) rich water creating unique and colorful designs

Similar to the partitioned Shell on a Turtle's Back

and  10" x 7

Fossilized Margaretia dorus Cambrian Algae Zebra Marble Bowls First Appeared In Our OceansExcellent example of an authentic fossilized algae specimen Margaretia dorus. Age: Middle Cambrian (521 to 497 mya) Species Name: Margaretia dorus Locality: Wheeler Shale, Millard County, Utah Size: Approximately 2 1 4"x1 2" Margaretia Algae on a 2 1 2"x2" shale Comes with stand Most collected Margaretia are not this detailed and have an orange red coloration due to high iron content which most often causes a lack of clear distinct patterning as in