Dicharax, Kobelt & Mollendorff, 1900

Asami, Takahiro, 2017, Revision of the Alycaeidae of China, Laos and Vietnam (Gastropoda: Cyclophoroidea) I: The genera Dicharax and Metalycaeus, Zootaxa 4331 (1), pp. 1-124 : 105-107

Dicharax (?) neglectus ( Heude, 1885)

FIGUrE 69K .

Alycoeus neglectus Heude, 1885: 96 , pl. 24, fig. 4.

Alycaeus (Orthalycaeus) neglectus — Möllendorff, 1886: 170. Alycaeus (Chamalycaeus) neglectus — Kobelt & Möllendorff, 1897: 149. Alycaeus (Chamalycaeus) neglectus — Kobelt, 1902: 360.

Type locality. "ad rUpEsTrEs COLLEs CIvITaTIs KIEN-Té, prOvINCIae NGaN-HOUé LEGEram".

Original description. "TEsTa parva, OrbICULarI-dIsCOIdEa, aLba, sTrIIs mINUTIs dOTaTa; sUTUra sCaLarI sUb- ImprEssa; pErIsTOmaTE dUpLICI, NON vaLdE INCrassaTO; OpErCULO papILLIs sqUaLIdIs ExTUs HIrsUTO. DIam. maj.: 6; mIN.: 4; aLT.: 5 mILLIm".

Remarks. ACCOrdING TO JOHNsON (1973) paraTypEs Of A. neglectus arE prEsENT IN TwO mUsEUms, MCZ (INv. NUmbEr: 167222) aNd NMNH (INv. NUmbEr: 472336). WE ExamINEd THE fOrmEr sampLE, bUT THE LOCaLITy dId NOT maTCH (" CHINa, TONG-LIEOU"). CONsEqUENTLy, THEy arE NOT TypE spECImENs. THIs was rECOGNIzEd by prEvIOUs rEsEarCHErs, bECaUsE THErE wErE HaNd-wrITTEN LabELs wITH THE fOLLOwING TExT: "NOT TypEs, ONLy HOLOTypE IN HEUdE's COLL.".

THE OrIGINaL drawING Of HEUdE (1885) sHOws a spECImEN wITH a LOw prOTOCONCH, THErEfOrE Alycaeus neglectus Is pUTaTIvELy CLassIfIEd IN Dicharax .

Figures

FIGURE 69. Species described by Heude. In case of species A – H, type specimens were examined (left image: drawing from the original description; right image: type specimen), in case of species I – L, no type specimens found; in case of A. dolichodeiros the shell photos shows a recently collected specimen. A. diminutus. B. pentagonus. C. planorbulus. D. fargesianus. E. rathouisianus. F. dolomiticus. G. sinensis. H. muciferus. I. elevatus. J. dolichodeiros. K. neglectus. L. expansus. Not to scale.