formosanum, Homaloptera Steindachner [F.] 1908:86 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Klasse v. 45 (no. 7) (for 20 Feb. 1908); ref. 18801] Lake Candidius, Taiwan. Syntypes: (16) NMW 47138 (3), 48680 (3), 48682-83 (3, 3), 48690 (4). Type catalog: Ho & Shao 2011:32 [ref. 31432]. Objectively invalid; preoccupied by Homaloptera formosana Boulenger 1894 (also from Taiwan); replaced by Crossostoma lacustre Steindachner 1908. •Synonym of Crossostoma lacustre Steindachner 1908 -- (Chen & Tang in Yue 2000:466 [ref. 25272]). •Synonym of Formosania lacustre (Steindachner 1908) -- (Ho & Shao 2011:32 [ref. 31432]). •Synonym of Formosania lacustris (Steindachner 1908) -- (Kottelat 2012:61 [ref. 32367]). 1°Homonym. Current status: Synonym of Formosania lacustris (Steindachner 1908). Gastromyzontidae. Habitat: freshwater.