1994Baltograptus geometricus (Törnquist, 1901) — Maletz, pp. 36
2004Baltograptus geometricus — Bergström et al., pp. 268
Selection of related publications
Bergström, S. M., Löfgren, A., Maletz, J. 2004.
The GSSP of the Second (Upper) Stage of the Lower Ordovician Series: Diabasbrottet at Hunneberg, Province of Västergötland, Southwestern Sweden.Episodes27,
4,265-272.