A review of Chamalycaeus, Cycloryx and Dicharax species of the Himalaya and Myanmar and seven new species of Alycaeinae from the Blue Mountain, Mizoram, India (Gastropoda, Caenogastropoda, Cyclophoridae)

Abstract

In this paper, we revise the genera Chamalycaeus, Cycloryx and Dicharax of the Himalayas and Myanmar. Another aim of this work was to identify the 13 species of Alycaeinae collected on the Blue Mountain, Mizoram State, northeastern India. Out of the 13 species from the Blue Mountain, seven are new and are described here: Chamalycaeus mizoramensis Páll-Gergely & Aravind sp. nov., Chamalycaeus reflectus Páll-Gergely & Aravind sp. nov., Cycloryx rohiniae Páll-Gergely & Aravind sp. nov., Dicharax praeda Páll-Gergely & Aravind sp. nov., D. semivivus Páll-Gergely & Aravind sp. nov., D. umashaankeri Páll-Gergely & Aravind sp. nov., D. ganeshaiahi Páll-Gergely & Aravind sp. nov. Altogether, 109 species are recognized, and all are figured. Furthermore, 37 new synonyms are reported, 32 of which were described by Godwin-Austen.