1882
Homotrypa obliqua — Ulrich, pp. 243, fig. X 6,6b
1896
Homotrypa obliqua Ulrich, 1882 — James, pp. 124
1900
Homotrypa obliqua Ulrich, 1882 — Nickles & Bassler, pp. 292
1903
Homotrypa obliqua — Bassler, pp. 575, fig. XXIII 12-14
1908
Homotrypa obliqua — Cumings, pp. 848, fig. XIX 1; XXX 6
1909
Homotrypa obliqua Ulrich, 1882 — Grabau & Shimer, pp. 129
1915
Homotrypa obliqua Ulrich, 1882 — Bassler, pp. 639
1931
Homotrypa obliqua Ulrich, 1882 — McFarlan, pp. 91
1965
non Homotrypa obliqua Ulrich, 1882 — Brown
, pp. 979, fig. 111:1-3 1978
Homotrypa obliqua Ulrich, 1882 — Astrova, pp. 95
1979
Homotrypa obliqua Ulrich, 1882obliqua — Singh, pp. 219, fig. 34:1; 35:1
1984
Homotrypa obliqua Ulrich, 1882 — Karklins, fig. 6:2,3
1985
Homotrypa obliqua Ulrich, 1882 — Brown & Daly, pp. 61, fig. 8:1,2
1987
Homotrypa obliqua Ulrich, 1882 — Pushkin, pp. 182, fig. XIX 4,5
2012
Homotrypa obliqua Ulrich, 1882 — Ernst & Carrera, pp. 729, fig. 7.1-7.6