1890
Diplograptus bellulus — Törnquist
1897
Diplograptus bellulus Törnquist — Perner, pp. 7, fig. 9:14,15; text fig. 1
1901
Diplograptus (Orthograptus) bellulus Törnquist — Elles et Wood, pp. 231-232, fig. 29:2a-e
1924
Diplograptus bellulus Törnquist — Hundt, pp. 60, fig. 2:14-16
1965
Diplograptus (Orthograptus) bellulus Törnquist — Stein, pp. 170-171, fig. 19a-b
1967
Rectograptus (?) bellulus (Törnquist, 1890) — Obut et al., pp. 62, fig. 3:6
1970
Orthograptus bellulus (Törnquist, 1980) — Rickards, pp. 46, fig. 3:5
1970
Orthograptus bellulus Törnquist — Churkin et Carter, pp. 29, fig. 3:1
1974
Orthograptus bellulus (Törnquist, 1980) — Hutt, pp. 37, fig. 3:1,2;6:13; text fig. 8:2-4
1975
Orthograptus bellulus (Törnquist, 1980) — Bjerreskov, pp. 28, fig. 4F
1985
Orthograptus bellulus (Törnquist, 1980) — Štorch, pp. 92, fig. 11:4,6
1996
Rivagraptus bellulus (Törnquist, 1890) — Koren & Rickards, pp. 62,63, fig. 10:1,3, text fig. 12A-D
1998
Rivagraptus bellulus (Törnquist) — Štorch, pp. 219, fig. 6:4,6 (?5); fig 9A-B
1998
Rivagraptus? bellulus? (Törnquist, 1890) — Melchin, pp. 298, fig. 6:4-9,13
2003
Rivagraptus bellulus (Törnquist) — Loydell et al., pp. 210, fig. 5h
2009
Rivagraptus bellulus (Törnquist, 1890) — Štorch & Kraft, pp. 64, fig. text fig. 6M
2009
Rivagraptus bellulus (Törnquist, 1890) — Loydell & Maletz, pp. 282, fig. 5
2011
Rivagraptus bellulus (Törnquist, 1890) — Melchin et al.
2014
Rivagraptus bellulus — Maletz et al., pp. 178