Arcotheres placunicola, a new species of pea crab (Crustacea: Brachyura: Pinnotheridae) from the window-pane shell, Placuna ephippium Philipsson, 1788 (Placunidae) in Singapore Author Ng, Peter K. L. text Raffles Bulletin of Zoology 2018 2018-08-23 66 474 485 journal article 10.5281/zenodo.5359479 2345-7600 5359479 CA0B7FC1-AC46-4D45-8B7E-3397E1DBBDAA Arcotheres Manning, 1993 Type species. Pinnotheres palaensis Bürger, 1895 , subsequent designation by Manning, 1993 . Remarks. Arcotheres Manning, 1993 , currently contains 27 species from the Indo-West Pacific, all of which are associated with bivalves ( Ng et al., 2008 , 2017 ; Trivedi et al., 2018a ). The identities of many of these species, however, remain unclear, and the genus will need to be revised in the future ( Ahyong & Ng, 2007 ; Ng et al., 2017 ).