Curvella alabastrina Preston, 1911 accepted as Opeas lamoense (Melvill & Ponsonby, 1892) (original description)
Ennea iredalei Preston, 1911 accepted as Pupilla fontana (Krauss, 1848) accepted as Gibbulinopsis fontana (Krauss, 1848) (original description)
Ennea lacuna Preston, 1911 accepted as Aenigmigulella lacuna (Preston, 1911) (original description)
Ennea naivashaensis Preston, 1911 accepted as Truncatellina naivashaensis (Preston, 1911) (original description)
Ennea tomlini Preston, 1911 accepted as Gulella tomlini (Preston, 1911) (original description)
Pseudoglessula pusilla Preston, 1911 (original description)
Subulina tribulationis Preston, 1911 accepted as Cecilioides tribulationis (Preston, 1911) (original description)
Subulina virgo Preston, 1911 accepted as Cecilioides virgo (Preston, 1911) (original description)
Thapsia conuloidea Preston, 1911 (original description)

Kenya for Curvella alabastrina Preston, 1911 
Kenya for Ennea iredalei Preston, 1911 
Kenya for Ennea lacuna Preston, 1911 
Kenya for Ennea tomlini Preston, 1911 
Kenya for Pseudoglessula pusilla Preston, 1911 
Kenya for Subulina virgo Preston, 1911 
Kenya for Thapsia conuloidea Preston, 1911 

 Type locality

 for Ennea iredalei Preston, 1911

'Naivasha, B. E. A' [details]