Difference between revisions of "Gonyaulacysta hyaloderma"

"?<B><I>hyaloderma</I></B>" [[Deflandre, 1939b]], p.144, pl.6, figs.3-4 ex [[Sarjeant, 1967b]], p.252.&nbsp; Holotype: [[Deflandre, 1939b]], pl.6, figs.3-4; [[Jan du Ch&#234;ne et al., 1986a]], pl.58, figs.1-5.&nbsp; <B>NOW</B> <I>[[Impagidinium hyalodermum|Impagidinium]]</I>?.&nbsp; Originally <I>[[Palaeoperidinium hyalodermum|Palaeoperidinium]]</I> (name not validly published), subsequently <I>Gonyaulacysta</I>, thirdly <I>Gonyaulacysta</I>?, fourthly <I>[[Rhynchodiniopsis hyaloderma|Rhynchodiniopsis]]</I>?, fifthly (and now) <I>[[Impagidinium hyalodermum|Impagidinium]]</I>?.&nbsp; Questionable assignment: [[Stover and Evitt, 1978|Stover and Evitt (1978]], p.158) as a problematic species.&nbsp; The name <I>[[Palaeoperidinium hyalodermum]]</I> was not validly published in [[Deflandre, 1939b|Deflandre (1939b]]) since the generic name <I>[[Palaeoperidinium hyalodermum|Palaeoperidinium]]</I> was not validly published until 1967.&nbsp; [[Williams et al., 1998|Williams et al. (1998]], p.251) accepted [[Sarjeant, 1967b|Sarjeant's (1967b]]) indirect reference to [[Deflandre, 1939b|Deflandre (1939b]]) as indication of a type (I.C.N. Article 40.3).&nbsp; Age: Kimmeridgian.