Head: umbrella Siphonales; Section: Umbrella algae Division; common name: green algae; Age: Ordovician - Silurian; Distribution: world.
It is characterized by a cluster of fronds grow from the middle body. The final structure of the surface layer of calcified globular mucus, can help them become fossils preserved. Gang-like structure is branching out of the Central Axis of radiation consists of branches blunt and to hide the protective coating of limestone. The surface characteristics of fossil hexagonal honeycomb. The edges of each hexagon concave bulge in the middle to form the rough surface of the fossil.
Location: coral reefs are often associated with papillary hole algae fossils of brachiopod fossils and fossil bryozoans contact.
Note: This plant has long been included in an inaccurate animals (protozoa, or sponge). |
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