Metalycaeus, Pilsbry, 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 : 104-105

Metalycaeus (?) elevatus ( Heude, 1886)

FIGUrE 69I .

Alycaeus elevatus Heude, 1886: 210 .

Alycaeus elevatus — Heude, 1890: 129, pl. 36, fig. 19.

Alycaeus (Chamalycaeus) elevatus — Kobelt & Möllendorff, 1897: 148. Alycaeus (Chamalycaeus) elevatus — Kobelt, 1902: 355.

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, LENTE aCCrEsCENTIbUs, sUTUra sUbsCaLarI jUNCTIs, ULTImO LONGE CONsTrICTO, TUbO sUTUraLI brEvIssImO sECUNdUm dIamETrUm, sEU sECUNdI aNfraCTIbUs aeqUaNTE; apErTUrE ObLIqUa, pErIsTOmaTE dILaTaTO, rEpaNdO, vIx rEfLExIsCULO.—OpErCULO? – DIam. 5; aLTIT. 4 mILLIm."

Remarks. THIs spECIEs Is CHaraCTErIzEd by aN ELEvaTEd spIrE, sHOrT R2 aNd wIdE apErTUrE. THE drawING aNd THE dEsCrIpTION Of A. elevatus Is sImILar TO Metalycaeus muciferus dUE TO THE sHOrT R2, THE R3 wITHOUT swELLING, aNd THE LaCk Of THE CONsTrICTION bETwEEN R2 aNd R3. THErEfOrE, IT prObabLy bELONGs TO THE GENUs Metalycaeus .

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.