1911
Eridotrypa exigua Ulrich — Bassler, pp. 245, fig. text fig 140
1953
Eridotrypa exigua Ulr. — Modzalevskaya, pp. 103
1968
Eridotrypa exigua Ulrich — Kopajevich, pp. 20
1978
Eridotrypa exigua Ulrich, 1893 — Astrova, pp. 85
2009
Eridotrypa exigua — Pachut & Fisherkeller, pp. 404