The millipede family Conotylidae in northwestern North America, with a complete bibliography of the family (Diplopoda, Chordeumatida, Heterochordeumatidea, Conotyloidea) Shear, William A. Richart, Casey H. Wong, Victoria L. Zootaxa 2020 2020-03-19 4753 1 1 78 e2abb0da-5347-4092-8e86-a3975b51495a Shear & Richart & Wong, 2020 Shear & Richart & Wong 2020 [151,393,672,699] Diplopoda Conotylidae Taiyutyla Animalia Chordeumatida 11 12 Arthropoda species tillamook sp. nov.   Figs. 12–18, 23, 24  Types: Male holotypeand male and female paratypesfrom Oregon, Tillamook Co., FS-14  2.2 miNE ofSR-22, Siuslaw National Forest, elev.  200 m, 45.2303°N, - 123.8422°W, collected  10 December 2005, by W. Leonard, C. Richartfrom litter and woody debris in a mixed forest including  Alnus rubra,  Polystichum munitum,  Acer macrophyllum,  Acer macrophyllum,  Acer circinatum, and  Pseudotsuga menziesii.   Diagnosis: Thisis the only species from Oregonor Californiawith a strong, retrorse branch posterior on the coxites of the posterior gonopods; this typeof coxite has otherwise been found only on species from Idaho. Further, the small narrow femoral knobs on legpairs five to seven are distinctive.   Etymology: The species name is a noun in apposition, referring to the occurrence of the species in Tillamook County, Oregon.   Description: Male paratypefrom Siuslaw National Forest. Length, 14.0 mm. 20 ocelli in triangular eyepatch. Metazonites with modest angular shoulders on rings 3–24. Color pale, cream-tan, mottled with darker purplish brown, mottling strongest midbody. Legpairs one and two reduced, three to seven enlarged, with mesal knobs on femora of legpairs five to seven ( Figs. 14–18), knobs smaller and thinner than in other species, femora of fourth legpair with low mesal swellings. Anterior gonopods ( Figs. 12, 23) somewhat flattened anteroposteriorly, subapically with distinct shoulder bearing small teeth, terminal process acuminate, hooked. Posterior gonopod coxites ( Figs. 13, 24) bearing large, complex fimbriate area just distal of midlength, terminating in small, twisted process; T-shaped branch ( T) with long spine pointing ventrally. Legpair 10 coxae of normal size, with small glands, legpair 11 femora with long, thin, dorsally directed knobs. Female 13.5 mmlong, similar in nonsexual characters to male.   Distribution: Known only from the typelocality. 2831262418 2005-12-10 W. Leonard & C. Richart Tillamook Co. 200 45.2303 Siuslaw National Forest 6 -123.8422 Siuslaw National Forest 11 12 2 Oregon holotype