Definition of "sturgeons"

A comparable structure is unknown in early osteichthyan pelvic girdles, although juvenile sturgeons do show a series of pelvic basals in similar topological position to the basipterygium linking the last radial with the metapterygium 21 .

2009 February 26, John A. Long et al., “Devonian arthrodire embryos and the origin of internal fertilization in vertebrates”, in Nature, volume 457, number 7233, pages 1124–1127