Revision of the Alycaeidae of China, Laos and Vietnam (Gastropoda: Cyclophoroidea) I: The genera Dicharax and Metalycaeus
Author
Asami, Takahiro
text
Zootaxa
2017
2017-10-11
4331
1
1
124
journal article
31855
10.11646/zootaxa.4331.1.1
14c29731-224f-43a4-ae52-f76823177ce5
1175-5326
1009725
FB50725E-4D03-4507-9CAF-EB939C7F548F
Genus
Metalycaeus
Pilsbry, 1900
Metalycaeus
Pilsbry, 1900: 382
.
Type species.
Alycaeus
(
Metalycaeus
)
melanopoma
PILsbry, 1900
(syNONym Of
Chamalycaeus nipponensis
[REINHardT, 1877], sEE
MINaTO 1988
), by sUbsEqUENT dEsIGNaTION (
THIELE 1929
).
Remarks.
THE GENErIC LEvEL rEvIsION Of THE
ALyCaEIdaE Is
IN prOGrEss. HErE wE rEfraIN frOm GIvING a dIaGNOsIs, aNd TENTaTIvELy CLassIfy aLL CHINEsE, LaO aNd VIETNamEsE spECIEs IN
Metalycaeus
, wHICH HavE spIraLLy sTrIaTEd prOTOCONCHs. BOTH
Metalycaeus
aNd
Chamalycaeus
HavE spIraL sTrIaE ON THE TELEOCONCH, bUT THE spIraL sTrIaTION Is mIssING ON THE prOTOCONCH Of THE LaTTEr (
FIGUrE 46
).