siamorientalis, Betta Kowasupat [C.], Panijpan [B.], Ruenwongsa [P.] & Jeenthong [T.] 2012:389, Fig. 1-3 [Vertebrate Zoology v. 62 (no. 3); ref. 32320] Sai Hai village (13°42′N, 101°13′E), Tha Thonglang Subdistrict, Bang Khla District, Chachoengsao Province, Thailand. Holotype: THNHM-F-01540. Paratypes: many at THNHM. •Valid as Betta siamorientalis Kowasupat, Panijpan, Ruenwongsa & Jeenthong 2012 -- (Kottelat 2013:452 [ref. 32989], Poungcharean & Limpivadhana 2022:106 [ref. 39979]). Current status: Valid as Betta siamorientalis Kowasupat, Panijpan, Ruenwongsa & Jeenthong 2012. Osphronemidae: Macropodusinae. Distribution: Southeast Asia: Thailand. Habitat: freshwater.