Synonyymit
1857 Lingula crassa — Eichwald , pp. 119
1859 Lingula subcrassa — Eichwald , fig. 37:10a-c
1986 Lingulasma crassum (Eichwald, 1857) — Popov & Pushkin , pp. 14-15 , fig. fig. 5
Luokittelu
Levinneisyys ja viitteet
- Popov & Pushkin, 1986 Erra Uhaku Stage
- Popov & Pushkin, 1986 Putilovo quarry, Leningrad Oblast Kunda Stage
- Popov & Pushkin, 1986 Alekseevka quarry, Leningrad Oblast Uhaku Stage