calliurus, Haplochilus Boulenger [G. A.] 1911:265 [Annals and Magazine of Natural History (Series 8) v. 8 (no. 44); ref. 578] Nigeria [not Liberia]. Syntypes: (several) BMNH 1909.4.2.12-13 (2), 1911.4.8.3-12 (10). See Huber 1998:17 [ref. 23446] for locality information. •Valid as Scheelsemion calliurum (Boulenger 1911) -- (van der Zee et al. 2018:88 [ref. 35718]). •Valid as Aphyosemion calliurum (Boulenger 1911) -- (Wildekamp et al. 1986:204 [ref. 6198], Seegers 1988:4 [ref. 19980], Romand in Lévêque et al. 1992:612 [ref. 21590], Wildekamp 1993:100 [ref. 26378], Lazara 2001:13 [ref. 25711], Legros & Zentz 2007:7 [ref. 29472], van der Zee et al. 2007:229 [ref. 30034], Agnèse et al. 2009:57 [ref. 30120]). Current status: Valid as Aphyosemion calliurum (Boulenger 1911). Nothobranchiidae. Distribution: West-central Africa: Cameroon, Benin and Nigeria. Habitat: freshwater.