Chamalycaeus zayuensis Zhang, Chen & Zhou, 2008: 745 Revision of the Alycaeidae of China, Laos and Vietnam (Gastropoda: Cyclophoroidea) I: The genera Dicharax and Metalycaeus Asami, Takahiro Zootaxa 2017 2017-10-11 4331 1 1 124 7P8SD Pilsbry 1900 [151,302,367,393] Gastropoda Alycaeidae Metalycaeus CoL Animalia Architaenioglossa 107 108 Mollusca genus    Chamalycaeus zayuensisZhang, Chen & Zhou, 2008: 745, figs 1–4.     Typelocality."TasHaN TOwN, ZayU COUNTy ( 28°04'N97°E), TIbET AUTONOmOUs REGION, CHINa".  Original description." SHELLsmaLL, THIN, sUbdEprEssEd, sEmITraNsparENT. WHOrLs 3½–4, mOdEraTELy CONvEx, spIrE LOw, CONOId, THEbOdy wHOrL dEsCENdING IN frONT. SHELLsUrfaCE yELLOwIsH brOwN IN COLOUr, THEbOdy wHOrL aNd THEpENULTImaTE wHOrL wITH fINELy aNd sOmEwHaT rEGULarLy rIb-sTrIaE, bUT THEprOTOCONCH aNd THEsECONd wHOrL wITHOUT rIb-sTrIaE, GENEraLLy smOOTH, LUsTEr. ApEx bLUNT, sUTUrE dEEp. THEbOdy wHOrL wITH a 0.86 mm LONGwOrmfOrm prOjECTION aT THEsUTUrE 1.42 mmfrOm THEapErTUrE. ApErTUrE CIrCULar, THICk, aNd sOmEwHaT ExpaNdEd aNd rEfLECTEd, wITH a NECk. OpErCULUm CIrCULar, sINk, wITH a papULE-fOrm prOjECTION IN THEINNEr sUrfaCE. UmbILICUs wIdE, rEGULarLy wIdENING. RadULa wITH 1 CENTraL TOOTH, 1 LaTEraL aNd 1 marGINaL TOOTH. THE CENTraL TOOTHwITH 5 CUsps, LaTEraL TOOTHwITH 3–4 CUsps, marGINaL TOOTHwITH 4 CUsps."   Remarks.WE Had NO pOssIbILITy TO ExamINE THE TypEspECImENs. THE pHOTOs aNd THE dEsCrIpTION Of THE OrIGINaL dEsCrIpTION wErE INsUffICIENT fOr THE dECIsION abOUT THE spECIEs' GENErIC assIGNmENT. ZHOUxING aNd WECHUaN (2015) pUbLIsHEd pHOTOs Of  Chamalycaeus zayuensis, wHICH arE sImILar TO THE pHOTOs IN THE OrIGINaL dEsCrIpTION, bUT arE Of bETTEr qUaLITy. SpIraL sTrIaTION ON R1 aNd sHarp, wIdELy spaCEd rIbs ON R2 arE vIsIbLE ON THE pHOTO Of ZHOUxING aNd WECHUaN (2015). BasEd ON THEsE,  Chamalycaeus zayuensisIsTENTaTIvELy CLassIfIEd IN THE GENUs  Metalycaeus. 1671715028 [151,1231,505,530] China 28.066668 TIbET AUTONOmOUs REGION 107 108 1 TIbET AUTONOmOUs REGION holotype