Revision of Silurian vertebrate biozones and their correlation with the conodont successionMärss, Tiiu; Männik, PeepEstonian journal of earth sciences2013 / p. 181-204 : ill https://artiklid.elnet.ee/record=b2651564*est

Thelodont phylogeny revisited, with inclusion of key scale-based taxaWilson, Mark V.H.; Märss, TiiuEstonian journal of earth sciences2009 / 4, p. 297-310 : ill https://artiklid.elnet.ee/record=b1944242*est

Thelodonts (Agnatha) from the basal beds of the Kuressaare Stage, Ludlow, Upper Silurian of EstoniaMärss, TiiuProceedings of the Estonian Academy of Sciences. Geology2006 / 1, p. 43-66 : ill