sentence1: Fossils commonly found in the St. Louis include the rugosan corals `` Lithostrotion '' and `` Lithostrotionella '' and the bryozoan `` Fenestrellina '' .
sentence2: The fossils , frequently found in St. Louis , include the Bryozoan - corals '' Lithostrotion `` and '' Lithostrotionella `` and the Rugosan '' Fenestrellina `` .