Graptolithina

Hormograptus densitubularis (Obut, 1960)

Synonymy list
1960     Thallograptus densitubularis sp. nov. — Obut, pp. 146-147, fig. 1:1-1a
Selection of related publications
Obut, A. M. 1960. Correlation of some parts of Estonian Ordovician and Silurian deposits according to graptolites. ENSV TA Geoloogia Instituudi uurimused V, 143-157. Eesti NSV Teaduste Akadeemia Geoloogia Instituudi Uurimused V, pp. 143-157.
References based on distribution