Nguyen Vu Thanh., Gagarin, V. G., Nguyen Dinh Tu., Nguyen Thanh Hien., & Tchesunov, A. V. Two new species of the genus ptycholaimellus cobb, 1920 from coastal zone of north Vietnam sea.

Nguyen Vu Thanh., Vladimir G. Gagarin, Nguyen Dinh Tu, Nguyen Thanh Hien, و Alekcei V. Tchesunov. Two New Species of the Genus Ptycholaimellus Cobb, 1920 From Coastal Zone of North Vietnam Sea.

Nguyen Vu Thanh., et al. Two New Species of the Genus Ptycholaimellus Cobb, 1920 From Coastal Zone of North Vietnam Sea.