<prompt> Mutsara wokutanga: Zvicherwa zvacho, zvinowanzowanikwa muSt. Louis, zvinosanganisira makorari anonziLithostrotionne Lithostrotionellauye anonziRugosananonziFenestrellina . Mutsara wechipiri: Matongo anowanzowanikwa muSt. Louis anosanganisira makorari anonzi bryozoan Lithostrotion uye Lithostrotionella uye rugosan Fenestrellina . Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?  <response>: Hungu 