Biloculina williamsoni Kingdom Chromista Phylum Cercozoa Class Granuloreticulosea Order Foraminiferida Family Hauerinidae Authority Silvestri, 1923 Read more about Biloculina williamsoni
Elphidium williamsoni Kingdom Chromista Phylum Cercozoa Class Granuloreticulosea Order Foraminiferida Family Elphidiidae Authority Haynes, 1973 Read more about Elphidium williamsoni
Pyrgo williamsoni Kingdom Chromista Phylum Cercozoa Class Granuloreticulosea Order Foraminiferida Family Hauerinidae Authority (Silvestri, 1923) Read more about Pyrgo williamsoni