viviparus, Hemirhamphus Peters [W. (C. H.)] 1865:132 [Monatsberichte der Königlichen Preussischen Akademie der Wissenschaften zu Berlin 1865; ref. 13952] Basey [Bassey] River, Samar Island, Philippines. Syntypes: ZMB 6267 (1). Additional material at ZMB. Type catalog: Paepke & Seegers 1986:145 [ref. 19981]. Original genus is correctly Hemiramphus. •Valid as Dermogenys viviparus (Peters 1865) -- (Brembach 1991:168 [ref. 20227]). •Valid as Dermogenys vivipara (Peters 1865) -- (Meisner & Louie 2000:366 [ref. 25079]). •Valid as Nomorhamphus vivipara (Peters 1865) -- (Meisner 2001:263 [ref. 25599], Collette 2004:19 [ref. 27583], Kottelat 2013:295 [ref. 32989] as viviparus, Huylebrouck et al. 2014:207 [ref. 33515] as vivipara, Jamandre 2023:162 [ref. 40455]). Current status: Valid as Nomorhamphus viviparus (Peters 1865). Zenarchopteridae. Distribution: Southeast Asia: Luzon, Samar, Mindanao, and Jolo (Philippines). Habitat: freshwater.