Difference between revisions of "Wrevittia helicoidea"
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<nowiki>*</nowiki><I><B>helicoidea</B></I> ([[Eisenack and Cookson, 1960]], p.2–3, pl.1, figs.4–6,9 [figs.5-6 are now <I>[[Wrevittia cassidata]]</I>]) [[Helenes and Lucas-Clark, 1997]], p.187. Emendations: [[Sarjeant, 1966b]], p.116, as <I>[[Gonyaulacysta helicoidea]]</I>; [[Helenes and Lucas-Clark, 1997]], p.187–188, as <I>Wrevittia helicoidea</I>. Holotype: [[Eisenack and Cookson, 1960]], pl.1, fig.4; [[Jan du Chêne et al., 1986a]], pl.40, figs.4–5. Originally <I>[[Gonyaulax helicoidea Appendix B|Gonyaulax]]</I> (Appendix B), subsequently <I>[[Gonyaulacysta helicoidea|Gonyaulacysta]]</I>, thirdly (and now) <I>Wrevittia</I>. Taxonomic junior synonym: <I>Gonyaulacysta </I>(now <I>[[Wrevittia diutina|Wrevittia]]</I>?) <I>diutina</I>, according to [[Stover and Helby, 1987d|Stover and Helby (1987d]], p.287) -however, [[Jan du Chêne et al., 1986a|Jan du Chêne et al. (1986a]], p.130) and [[Lentin and Williams, 1989|Lentin and Williams (1989]], p.152) retained <I>Gonyaulacysta </I>(now <I>Wrevittia</I>?)<I> diutina</I>. Age: Neocomian–Aptian. | <nowiki>*</nowiki><I><B>helicoidea</B></I> ([[Eisenack and Cookson, 1960]], p.2–3, pl.1, figs.4–6,9 [figs.5-6 are now <I>[[Wrevittia cassidata]]</I>]) [[Helenes and Lucas-Clark, 1997]], p.187. Emendations: [[Sarjeant, 1966b]], p.116, as <I>[[Gonyaulacysta helicoidea]]</I>; [[Helenes and Lucas-Clark, 1997]], p.187–188, as <I>Wrevittia helicoidea</I>. Holotype: [[Eisenack and Cookson, 1960]], pl.1, fig.4; [[Jan du Chêne et al., 1986a]], pl.40, figs.4–5. Originally <I>[[Gonyaulax helicoidea Appendix B|Gonyaulax]]</I> (Appendix B), subsequently <I>[[Gonyaulacysta helicoidea|Gonyaulacysta]]</I>, thirdly (and now) <I>Wrevittia</I>. Taxonomic junior synonym: <I>Gonyaulacysta </I>(now <I>[[Wrevittia diutina|Wrevittia]]</I>?) <I>diutina</I>, according to [[Stover and Helby, 1987d|Stover and Helby (1987d]], p.287) -however, [[Jan du Chêne et al., 1986a|Jan du Chêne et al. (1986a]], p.130) and [[Lentin and Williams, 1989|Lentin and Williams (1989]], p.152) retained <I>Gonyaulacysta </I>(now <I>Wrevittia</I>?)<I> diutina</I>. Age: Neocomian–Aptian. | ||
[[Category:Index2004]] | [[Category:Index2004]] | ||
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<BR><CENTER>[[Image:Wrevittia_helicoidea1.jpg|link=]][[Image:Wrevittia_helicoidea2.jpg|link=]][[Image:Wrevittia_helicoidea3.jpg|link=]][[Image:Wrevittia_helicoidea4.jpg|link=]]</CENTER> | <BR><CENTER>[[Image:Wrevittia_helicoidea1.jpg|link=]][[Image:Wrevittia_helicoidea2.jpg|link=]][[Image:Wrevittia_helicoidea3.jpg|link=]][[Image:Wrevittia_helicoidea4.jpg|link=]]</CENTER> | ||
Latest revision as of 15:02, 30 December 2016
*helicoidea (Eisenack and Cookson, 1960, p.2–3, pl.1, figs.4–6,9 [figs.5-6 are now Wrevittia cassidata]) Helenes and Lucas-Clark, 1997, p.187. Emendations: Sarjeant, 1966b, p.116, as Gonyaulacysta helicoidea; Helenes and Lucas-Clark, 1997, p.187–188, as Wrevittia helicoidea. Holotype: Eisenack and Cookson, 1960, pl.1, fig.4; Jan du Chêne et al., 1986a, pl.40, figs.4–5. Originally Gonyaulax (Appendix B), subsequently Gonyaulacysta, thirdly (and now) Wrevittia. Taxonomic junior synonym: Gonyaulacysta (now Wrevittia?) diutina, according to Stover and Helby (1987d, p.287) -however, Jan du Chêne et al. (1986a, p.130) and Lentin and Williams (1989, p.152) retained Gonyaulacysta (now Wrevittia?) diutina. Age: Neocomian–Aptian.
