Accepted by Peter Castro: 28 Dec. 2013; published: 3 Mar. 2014 ZOOTAXA ISSN 1175-5326 (print edition) ISSN 1175-5334 (online edition) Copyright © 2014 Magnolia Press Zootaxa 3773 (1): 001–063 www.mapress.com/zootaxa/ Monograph http://dx.doi.org/10.11646/zootaxa.3773.1.1 http://zoobank.org/urn:lsid:zoobank.org:pub:19F28753-B2D0-4D1F-9D47-88886F7333FD ZOOTAXA Revision of the family Acidopsidae Števčić, 2005, and the systematic position of Typhlocarcinodes Alcock, 1900, Caecopilumnus Borradaile, 1902, and Raoulia Ng, 1987, with descriptions of two new genera and five new species (Crustacea: Brachyura: Goneplacoidea) PETER K. L. NG 1, 3 & DWI LISTYO RAHAYU 2 1 Tropical Marine Science Institute and Department of Biological Sciences, National University of Singapore, Kent Ridge, Singapore 119260, Republic of Singapore. E-mail: dbsngkl@nus.edu.sg 2 Tropical Marine Science Institute, National University of Singapore; and Marine Bio-industry Implementation Unit-Research Center for Oceanography - Indonesian Institute of Sciences (LIPI), Teluk Kodek, Pemenang, Lombok Utara, NTB, Indonesia. E-mail: dwilistyo@yahoo.com 3 Corresponding author. E-mail: dbsngkl@nus.edu.sg Magnolia Press Auckland, New Zealand 3773