1846
Caryocystites testudinarius, HIS — Buch, pp. 107, fig. 1:20
1866
Sphaeronites testudinaria His — Linnarsson, pp. 79
1878
Caryocystis dubia Ang. — Angelin, pp. 29
1878
Caryocystis dubia Ang. — Angelin, pp. 29, fig. 13: 4-9
1888
Caryocystis testudinaria H. — Lindström, pp. 8
1896
Caryocystis Angelini — Haeckel, pp. 59, fig. 2:27
1899
Amorphocystis Buchi n. sp. — Jaekel, pp. 9:8
1934
Amorphocystis buchi — Gislen, pp. 2, fig. text fig.1
1945
Caryocystites angelini (Haeckel, 1896) — Regnéll, G., pp. 112-114
Caryocystites dubius (Angelin, 1878) — Bockelie, pp. 1981, fig. 2D,5,7A,B,D