The lophogastrids (Crustacea: Peracarida: Lophogastrida) of Indonesia and its adjacent waters. An updated checklist Author Yolanda, Rofiza Biology Study Program, Faculty of Mathematics and Natural Sciences, Universitas Negeri Surabaya, Ketintang Campus, Surabaya 60231, East Java, Indonesia Author Lheknim, Vachira Division of Biological Science, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand & Department of Earth Science and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia & Marine Ecosystem Research Centre (EKOMAR), Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia Author Price, W. Wayne Department of Biology, University of Tampa, Tampa, Florida 33606, USA Author Hendrickx, Michel E. Laboratorio de Invertebrados Bentónicos, Unidad Académica Mazatlán, Instituto de Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Mazatlán Sinaloa, 82000, Mexico text Zootaxa 2023 2023-08-16 5330 3 413 429 http://dx.doi.org/10.11646/zootaxa.5330.3.5 journal article 10.11646/zootaxa.5330.3.5 1175-5326 8254853 436F2ABB-2A9A-4856-9602-ADAE580DC88F Lophogaster schmidti Fage, 1940 Records from Indonesia . Northern part of Papua , Maluku Sea , Maluku Strait and Banda Sea. Depth range: 2315– 8000 m ( Fage 1942 ) . Remarks. Lophogaster schmidti can be distinguished by its long rostrum (reaching or overreaching the tip of the antennal scale) and antennular scale with a perfectly round and smooth tip. The lateral margin of the telson has 5 pairs of spines, the distal one being the strongest. The apical plate is armed with 9 to 10 (males) or 10 to 11 (females) spines ( Fage 1940 , 1942 ).