Ian J. Slipper: Bythoceratina umbonata umbonata (Williamson, 1847)
Ian J. Slipper: Bythoceratina umbonata umbonata (Williamson,1847)
Ian J. Slipper: Schuleridea jonesiana (Bosquet, 1852)
Ian J. Slipper: Homocythere harrisiana - juvenile
Ian J. Slipper: Macrosarisa siliqua (Jones, 1850)
Ian J. Slipper: Cytherella cf. truncata (Bosquet,1847)
Ian J. Slipper: Cytherella cf. truncata (Bosquet, 1847)
Ian J. Slipper: Planileberis sp.
Ian J. Slipper: Homocythere cf. harrisiana (Jones, 1870)
Ian J. Slipper: Charing Green construction site where the white clay layer was identified as the Chalk Detritus of Charing
Ian J. Slipper: Cornicythereis larivourensis (Damotte & Grosdidier, 1963)
Ian J. Slipper: Cythereis humilis humilis Weaver, 1982
Ian J. Slipper: Cythereis humilis humilis Weaver, 1982
Ian J. Slipper: Cythereis longaeva longaeva Pokorny, 1963
Ian J. Slipper: Cythereis thoerenensis Triebel, 1940
Ian J. Slipper: Cytherelloidea hindei Kaye, 1964
Ian J. Slipper: Cytherelloidea hindei Kaye, 1964
Ian J. Slipper: Neocythere (Centrocythere) denticulata (Mertens, 1956)
Ian J. Slipper: Neocythere vanveenae Mertens, 1956
Ian J. Slipper: Pontocyprella harrisiana (Jones, 1849)
Ian J. Slipper: Pontocyprella harrisana (Jones, 1849)
Ian J. Slipper: Protocythere lineata striata Gruendel, 1966
Ian J. Slipper: Pterygocythereis (Pterygocythereis) phylloptera reducta Weaver,1982
Ian J. Slipper: Rectangulocyprella bosquetiana (Jones, 1849)
Ian J. Slipper: Schuleridea jonesiana (Bosquet, 1852)