2020/10/20 by Arthit Pholyotha, Chirasak Sutcharit, Piyoros Tongkerd +1 · 1 citation
Agricultural and Biological Sciences · #Mollusks and Parasites Studies #Invertebrate Taxonomy and Ecology #Study of Mite Species
paper · doi:10.3897/zookeys.976.53859
openalex publication_date 2020/10/20 · openalex created_date 2020/10/29 · openalex updated_date 2026/07/31
Members of the land snail genus Sarika Godwin-Austen 1907 are superficially similar and difficult to differentiate by their shell morphology so that their species limits are still unclear. In order to resolve the taxonomy of this group, a phylogenetic reconstruction of Sarika is presented, based on morphological and anatomical characters, as well as on partial sequences of the mitochondrial cytochrome c oxidase subunit I (COI) gene. In total, 23 species of Sarika are recognised in Thailand, and nine species are new to science, namely S. caligina Pholyotha & Panha, sp. nov. , S. gratesi Pholyotha & Panha, sp. nov. , S. inferospira Pholyotha & Panha, sp. nov. , S. lactospira Pholyotha & Panha, sp. nov. , S. megalogyne Pholyotha & Panha, sp. nov. , S. melanospira Pholyotha & Panha, sp. nov. , S. pellosa Pholyotha & Panha, sp. nov. , S. solemi Pholyotha & Panha, sp. nov. , and S. subheptagyra Pholyotha & Panha, sp. nov. Results from genital examination and COI analyses confirm the monophyly of Sarika and its species. The intra- and inter-specific genetic distances of Sarika were 0–3.7% and 4.6–12.0%, respectively. Colour images of the living adults, shell, and genitalia along with SEM images of the spermatophore and radula are given. In addition, an identification key and a geographical distribution map of Sarika species are provided.