Late Ashgill-Early Llandovery ostracodes from the Zeravshan-Gissar Mountainous Region (Shakhriomon-2 reference section): Leperditellocopida, Limbatulocopida and Metacopida. Paleontologicheskii Zhurnal, 5, Sentyabr'-Oktyabr' 1999: 57-64. 61 [Zoological Record Volume 136]