1947
Gomphodus hoppei — Gross, fig. Taf.5:6-9
1971
Gomphonchus nom. nov. hoppei (Gross) — Gross, pp. 56-58, fig. Taf. 1:28-30, Taf. 2: 1-3, Taf.3:36, Taf.9:4-9
1986
Gomphonchus hoppei — Märss, fig. 29:4,7,10
1986
Gomphonchus hoppei (Gross, 1947) — Märss, pp. 55
1998
Gomphonchus hoppei (Gross, 1947) — Valiukevičius, pp. 40, fig. 2:14-18
1999
Gomphonchoporus gen. nov. hoppei (Gross, 1947) — Vergoossen, pp. 242, fig. IV 40-49; V 50-57
2002
Gomphonchus hoppei — Valiukevičius, pp. 34
2003
Gomphonchoporus hoppei (Gross, 1947) — Burrow, pp. 282
2005
Gomphonchus hoppei (Gross, 1947) — Valiukevičius, fig. 6:E,F