1962Hesperorthis imbecilla sp. n. — Rubel, pp. 83, fig. II 1-9
1984Hesperorthis imbecilla Rubel, 1962 — Rubel et al., pp. 6
2011Hesperorthis hillistensis Rubel, 1962 — Rubel, pp. 40
Selection of related publications
Rubel, M. P. 1962.
Estonian Llandoverian Brachiopods of the superfamily Orthacea.ENSV TA Geoloogia Instituudi uurimusedIX,
75-92. ENSV Teaduste Akadeemia Geoloogia Instituudi Uurimused IX, pp. 75-92.