Actinocythereis dawsoni Actinocythereis dunelmensis Actinocythereis vineyardensis Bensonocythere arenicola Cushmanidea seminuda Cytheretta edwardsi Echinocythereis planibasalis Elofsonella concinna Eusarsiella greyi Eusarsiella ozotothrix Eusarsiella spinosa Eusarsiella texana Eusarsiella zostericola Harbansus bowenae Harbansus dayi Heptonema latum Loxoconcha rhomboidea Macropyxis labutisi Macropyxis sapeloensis Macroscapha atlantica Munseyella atlantica Paracypris bensoni Parasterope hulingsi Parasterope iota Parasterope pollex Peratocytheridea setipunctata Philomedes brenda Pseudophilomedes ferulana Pterygocythereis americana Pterygocythereis jonesii Robertsonites tuberculatus Sclerochilus contortus Semicytherura mainensis Swansonites mananensis Synasterope cushmani Triginglymus denticulatus Xestoleberis depressa