Complex sentence: In addition, fossils of a bivalve of unknown affinity, which were reported from the Bass Formation, are now judged to be rounded mud-flakes or pellets that are likely oncolites of algal origin.
Split into simpler sentences: In addition, fossils of a bivalve of unknown affinity, which were reported from the Bass Formation. They are now judged to be rounded mud-flakes or pellets that are likely oncolites of algal origin.