Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population. Author Hsueh, Pan-Wen Department of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan. Author Tzeng, You-Wei Institute of Oceanography, National Taiwan University, Taipei 106, Taiwan. E-mail: ywtzeng @ ntu. edu. tw (Tzeng) ywtzeng@ntu.edu.tw text Zoological Studies 2024 2024-12-31 63 47 141 149 http://dx.doi.org/10.1097/YPG.0000000000000262 journal article 10.6620/ZS.2024.63-47 1810-522X 14700367 Macromedaeus quinquedentatus (Krauss, 1843) ( Fig. 17G ) Macromedaeus quinquedentatus Guinot 1968: 708 ; 1971: 1068 ; Serène 1968: 75 ; 1984: 179 , fig. 104, pl. XXV D–E (for complete synonymy); Ng et al. 2008: 203 [List]. Material examined : 1 ñ, NMNS 8772-58, 5.8 × 3.9, Shanfu, Liuqiu Township, Pingtung County , 4 May 2007 . Distribution : Indo-West Pacific; Hawaii ( Serène 1984 ). Remarks : The morphology of the present specimen ( Fig. 17G ) aligns with the defining characteristics of M . quinquedentatus (Krauss, 1843) . These features include five teeth on the anterolateral margins, a fronto-orbital width slightly less than half the greatest width of the carapace, and distinct carapace regions separated by large, deep furrows ( Serène 1984: 177 , pl. XXV D–E). This report marks the first record of this species from Taiwan .