Cluster of synchronously dividing spermatogonia from a seminal vesicle of D. ghilarovi sampled in the Lasovsky Nature Reserve. Arrows point at two tetraploid (4n8c) mitoses among ordinary diploid ones (2n4c). Scale bar: 5 ┬Ám.

  Part of: Anisimov AP, Roslik GV, Ganin GN (2015) Cytogenetic description of the earthworm Drawida ghilarovi Gates, 1969 (Oligochaeta, Moniligastridae) from the southern Russian Far East. Comparative Cytogenetics 9(4): 565-577.