The millipede family Conotylidae in northwestern North America, with a complete bibliography of the family (Diplopoda, Chordeumatida, Heterochordeumatidea, Conotyloidea) Author Shear, William A. Author Richart, Casey H. Author Wong, Victoria L. text Zootaxa 2020 2020-03-19 4753 1 1 78 journal article 21316 10.11646/zootaxa.4753.1.1 f7974bcf-11e7-4d1b-b09d-530dc2dbd54f 1175-5326 3983782 AA9F66B3-EF8C-4F6B-8F35-0BCBEE5122ED Bifurcatella bifurcata ( Shear, 1974 ) , new combination Figs. 204, 205 New records : Bollmanella bifurcata Shear 1974 , p. 143 . OREGON : Umatilla Co. , Umatilla National Forest , FS- 65 0.4 mi E of Tiger Creek Road , elev. 1520 m ., 45.9442°N , - 118.0094°W , 24 October 2003 , W. Leonard , mm ff. Union Co. , Little Indian Creek , 8 mi N of Cove , ca. 45.4134°N , - 117.7988°W (estimated coordinates taken from 8 air mi N of Cove along FS-6205), 10 September 1977 , R. K. Johnson , mm ff (2 vials, FSCA ) . Notes: This species was originally described ( Shear 1974 ) from 2 mi west of Joseph , along Hurricane Creek , Wallowa Co. , Oregon , from specimens collected 23 November 1968 . The new records are consistent with a range encompassing northeastern Oregon . In Fig. 204 , the mesal branch of the anterior gonopod has been broken; it is normally about half the length of the lateral branch . FIGS. 204–207. Bifurcatella spp. Figs. 204, 205. Bifurcatella bifurcata . Fig. 204. Right anterior gonopod, posterior view. Fig. 205. Right posterior gonopod coxite, posterior view. Figs. 206, 207. Bifurcatella olympiana . Fig. 206. Anterior gonopods, posterior view. Fig. 207. Left posterior gonopod coxite, posterior view. Descriptions of new species of Bifurcatella