Stromatoporoids are calcareous sponges. “Stroms” can be massive, tabular, cylindrical, encrusting, arm-shaped or even in a chocolate-drop shape. You can click on these pictures to truly see the “brick-like” cell structure of this specimen.
Stromatoporoid
Stromatoporoid
Stromatoporoid
Stromatoporoid
MUST READ! This goes through in detail the difference between the Stromatoporoids and the Stromatolites which can look similar but are actually VERY different creatures!
Www.earthsurfaceprocesses.com/3f-E-StromatolitesStromatoporoids.html
Did you know that the Stromatolites are considered responsible for creating oxygen on earth?
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