Kaupus (subgenus of Leptonotus) Whitley [G. P.] 1951:392 Masc. Leptonotus costatus Waite & Hale 1921. Type by original designation (also monotypic). •Valid as Kaupus Whitley 1951 -- (Dawson 1984:98 [ref. 21119], Dawson 1985:107 [ref. 6541], Paxton et al. 1989:423 [ref. 12442], Gomon et al. 1994:453 [ref. 22532], Paxton et al. 2006:832 [ref. 29073], Kuiter 2008:461 [ref. 30642], Kuiter 2009:221 [ref. 30404], Hamilton et al. 2016:Supplement 2 [ref. 35615]). Current status: Valid as Kaupus Whitley 1951. Syngnathidae: Syngnathinae.