1869
Diplograpsus Hughesi — Nicholson, pp. 235, fig. 2:9-10, 11a-e
1906
Climacograptus Hughesi — Elles & Wood, pp. 208, fig. 27:11a-e
1924
Climacograptus Hughesi — Hundt, pp. 56, fig. 1:8-10
1945
Climacograptus Hughesi — Waterlot, pp. 53, fig. 8, 130
1948
Pseudoclimagograptus hughesi — Přibyl, pp. 18
1952
Pseudoclimacograptus hughesi — Münch, pp. 30, fig. 3:8
1955
Pseudoclimagograptus hughesi — Obut, pp. 137, fig. 11:2a-b
1962
Chmacograptus hughesi — Haletskaya, pp. 66, fig. 6:3
1966
Pseudoclimacograptus hughesi — Obut & Sobolevskaya, pp. 12-13, fig. 3:5-6
1967
Pseudoclimacograptus hughesi — Obut & Sobolevskaya, pp. 52, fig. II 4
1968
Pseudoclimagograptus (Metaclimacograptus) hughesi (Nicholson) — Bulman and Rickards, pp. 3-6, fig. 1a-c
1968
Pseudoclimacograptus hughesi — Obut & Sobolevskaya, pp. 62, fig. IV 2-11
1970
Pseudoclimagograptus (Metaclimacograptus) hughesi (Nicholson) — Rickards, pp. 33, fig. 6
1976
Pseudoclimagograptus (Metaclimacograptus) hughesi — Sennikov, pp. 124, fig. IV 1-3
1977
Metaclimacograptus hughesi (Nicholson) — Rickards et al., pp. 14, fig. 2:2
1979
Metaclimagograptus hughesi (Nicholson, 1869) — Paškevičius, pp. 111-112, fig. 2:1-3; 18:7-8; 19:1
1988
Pseudoclimagograptus (Metaclimacograptus) hughesi (Nicholson, 1869) — Obut et al., pp. 26
1991
Metaclimacograptus hughesi (Nicholson, 1869) — Loydell, pp. 675, fig. 2:3-4, 6,9,12
1995
Metaclimacograptus hughesi (Nicholson, 1869) — Koren & Rickards, fig. 14:9-14
1996
? Metaclimacograptus hughesi — Zalasiewicz, pp. 2-3, fig. text-fig. 2, 2A-e
1998
Metaclimacograptus hughesi (Nicholson, 1869) — Štorch, pp. 217, fig. 1:1,2; 2; text fig. 4:3A,B
2000
Metaclimacograptus ? huhesi (Nicholson, 1869) — Rickards et al., pp. 115
2003
Metaclimacograptus hughesi (Nicholson) — Loydell et al., pp. 209, fig. 4d
2004
Metaclimacograptus hughesi (Nicholson, 1869) — Koren & Rickards, pp. 908, fig. 4A; 31-32
2009
Metaclimacograptus hughesi (Nicholson, 1869) — Štorch & Kraft, fig. text fig. 6E
2014
Metaclimacograptus hughesi — Maletz et al., pp. 178