Lahusen, I. (1897). Kratkii kurs paleontologii. Vol. 2, Paleozoologiia [A Short Course in Paleontology. Vol. 2, Paleozoology]. Akademiia Nauk. St. Petersburg. xxvi + p. 327–741.
195776
Lahusen, I.
1897
Kratkii kurs paleontologii. Vol. 2, Paleozoologiia [A Short Course in Paleontology. Vol. 2, Paleozoology]