Difference between revisions of "Membranosphaera"

<B><I>MEMBRANOSPHAERA</I></B> Samoilovitch in [[Samoilovitch and Mtchedlishvili, 1961]], p.251.&nbsp; Emendation: [[Drugg, 1967]], p.29.&nbsp; The name <I>Membranosphaera</I> was originally used by Samoilovitch in [[Samoilovitch and Mtchedlishvili, 1961|Samoilovitch and Mtchedlishvili (1961]], p.251) as the name of a "group".&nbsp; [[Lentin and Williams, 1989|Lentin and Williams (1989]], p.241) considered that the name <I>Membranosphaera</I> was validly published by [[Norris and Sarjeant, 1965|Norris and Sarjeant (1965]], p.40).&nbsp; However, [[Fensome et al., 1990|Fensome et al. (1990]], p.313) noted "... [[Samoilovitch and Mtchedlishvili, 1961|Samoilovitch and Mtchedlishvili (1961]]) assigned species directly to <I>Membranosphaera</I>, thus clearly indicating <I>Membranosphaera</I> to be equivalent to a genus.&nbsp; Since [[Lentin and Williams, 1989|Lentin and Williams (1989]]) did not specify which nomenclatural rule they were invoking, [[Williams et al., 1998|Williams et al. (1998]], p.396) considered this generic name to have been validly published in [[Samoilovitch and Mtchedlishvili, 1961|Samoilovitch and Mtchedlishvili (1961]])".&nbsp; [[Stover and Evitt, 1978|Stover and Evitt (1978]], p.263) and [[Fensome et al., 1990|Fensome et al. (1990]], p.313) included this genus in the acritarchs.&nbsp; Vozzhennikova in [[Lentin and Williams, 1993|Lentin and Williams (1993]], p.421) noted that <I>Membranosphaera</I> is a dinoflagellate cyst with an apical archeopyle.&nbsp; Type: [[Samoilovitch and Mtchedlishvili, 1961]], pl.83, figs.1a-d, as <I>Membranosphaera maastrichtica.</I>