Selected synonymic references
Codonella pusilla: Cleve, 1900b
Codonellopsis pusilla: Jörgensen, 1924; Kofoid and Campbell, 1929; Balech, 1971a; Souto, 1970a; 1972; 1979
Codonellopsis lagenula: Jörgensen, 1924
Codonellopsis contracta: Kofoid and Campbell, 1929, 1939; Balech, 1944; 1945