Mataeocephalus Berg [C.] 1898:43 Masc. Coelocephalus acipenserinus Gilbert & Cramer 1897. Type by being a replacement name. Replacement for Coelocephalus Gilbert & Cramer 1897, preoccupied by Coelocephalus Clark 1860 in Coleoptera (not preoccupied by Agassiz 1844, name only). Misspelled Metaeocephalus in Zoological Record for 1899. •Valid as Mataeocephalus Berg 1898 -- (Marshall 1973:618 [ref. 6965], Iwamoto 1979:144 [ref. 2311], Fahay & Markle 1984:274 [ref. 13653], Iwamoto in Cohen et al. 1990:244 [ref. 18936], Iwamoto & Merrett 1997:532 [ref. 23710], Iwamoto & Williams 1999:187 [ref. 23875], Iwamoto 1999:1989 [ref. 24761], Merrett & Iwamoto 2000:769 [ref. 25037], Sazanov et al. 2003:281 [ref. 27176], Castellanos-Galindo et al. 2006:205 [ref. 28944], Bray et al. 2006:599 [ref. 29065], Iwamoto et al. 2015:87 [ref. 35408]). Current status: Valid as Mataeocephalus Berg 1898. Macrouridae.