Pennsylvanian Sponges From Kansas & Missouri
Ok, some Pennsylvanian sponges.... My reassembled Heliospongia ramosa, as a saguaro: As a reclining figure: Heliospongia ramosa bouquet: Heliospongia ramosa, showing internal structure: Heliospongia ramosa. Is the smooth, circular area on the surface at the bottom a site of attachment of another organism?: Silicified Heliospongia excavata, etched from limestone:
Another sponge is Amblysiphonella:
Frisbie Limestone
Miami County, Kansas
These are common in the beds just below the shale containing the Heliospongia and Maeandrostia:
They stand out in the little limestone beds:
Amblysiphonella is abundant in some of the limestones of the Shawnee Group, such as the Hartford and Avoca.