1893
Atactoporella crassa — Ulrich, pp. 225, fig. 15.18-21
1911
Homotrypella hospitalis crassa (Ulrich) — Bassler, pp. 193, fig. text fi. 104, 105
1953
Homotrypella hospitalis crassa (Ulr.) — Modzalevskaya, pp. 101
1970
Homotrypella? hospitalis crassa (Ulrich) — Rõõmusoks, pp. 328, fig. table 17
2002
non Peronopora — Pachut & Anstey, pp. 620
Homotrypa crassa (Ulrich, 1893) — Pushkin