1964
Decacrinus antiquus Yeltyschewa sp. nov. — Yeltyschewa, pp. 66, fig. III 7-9
1986
Irucrinus antiquus (Yeltyschewa, 1964) — Stukalina, pp. 72
1988
Irucrinus antiquus (Yeltyschewa, 1964) — Stukalina, fig. 5:4
2000
Irucrinus antiquus (Yeltyschewa, 1964) — Stukalina, fig. 1:3