Chamalycaeus, Mollendorff, 1897

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

" Chamalycaeus " expansus ( Heude, 1890)

FIGUrE 69L .

Alycaeus expansus Heude, 1890: 129 , pl. 38, fig. 2

Types. NO TypE spECImENs wErE rEpOrTEd by JOHNsON (1973).

Type locality. "TCHEN-k'EOU".

Original description. "TEsTa dIsCOIdEO-TrOCHOIdEa, LaTE UmbILICaTa; spIra apICULaTa, aNfraCTIbUs qUaTUOr, sUTUra ImprEssa jUNCTIs, ULTImO CELErITEr aCCrETO, sTrIIs vaLIdIs sCULpTO, TUbO sUTUraLI LONGIssImO, pENULTImUm dIamETrUm aeqUaNTE; apErTUrE ObLIqUa, pErIsTOmaTE dUpLICI, pOsTICO ErECTO, dILaTaTO.—DIam.: 6; aLTIT.: 4 mILLIm."

Remarks. THE OrIGINaL dEsCrIpTION aNd drawING Is INsUffICIENT TO INfEr THE GENErIC assIGNmENT Of Alycaeus expansus .

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.