exiguus, Haplochilus Boulenger [G. A.] 1911:265 [Annals and Magazine of Natural History (Series 8) v. 8 (no. 44); ref. 578] Nyong River, southern Cameroon. Holotype (unique): BMNH 1904.7.1.23. •Valid as Kathetys exiguum (Boulenger 1911) -- (Sonnenberg & Schunke 2010:337 [ref. 30994]). •Valid as Aphyosemion exiguum (Boulenger 1911) -- (Wildekamp et al. 1986:211 [ref. 6198], Seegers 1988:15 [ref. 19980], Wildekamp 1993:159 [ref. 26378], Lazara 2001:20 [ref. 25711], van der Zee et al. 2007:177 [ref. 30034], Agnèse et al. 2013:520 [ref. 32730], Fermon et al. 2022:255 [ref. 39448]). Current status: Valid as Aphyosemion exiguum (Boulenger 1911). Nothobranchiidae. Distribution: Western-central Africa: Central African Republic south to Gabon and northern Congo Rivr basin. Habitat: freshwater.