| Mityuscha elenae Timoshkin, 2004 | Sep 11, 1986 | 5 m | fine silt | fine-grained silt with macrophytes. Dredge sample. |
| Mityuscha elenae Timoshkin, 2004 | Sep 11, 1986 | 5 m | fine sand | fine-grained sand, Nitella with higher macrophytes. |
| Mariareuterella nigmatullini Timoshkin, 2004 | Sep 11, 1986 | 10 m | black fine sand | flack fine-grained sand with abundant mica particles and detritus. |
| Mariareuterella saetosouncinata Timoshkin, 2004 | Sep 11, 1986 | 10 m | black fine sand | black fine-grained sand with abundant mica particles. Dredge sample. |
| Mariareuterella kasteri Timoshkin, 2004 | Sep 11, 1986 | 10 m | black fine sand | black fine-grained sand with abundant mica particles. |
| Diplosiphon wadai Timoshkin & Kawakatsu, 1996 | Sep 11, 1986 | 10 m | black sand with detritus and mica particles | littoral zone off Sukhoy Ruchey, Southern Baikal. |