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. | ||
| − | [[Image:Wrevittia helicoidea1.jpg]][[Image:Wrevittia helicoidea2.jpg]][[Image:Wrevittia helicoidea3.jpg]][[Image:Wrevittia helicoidea4.jpg]] | + | <CENTER>[[Image:Wrevittia helicoidea1.jpg]][[Image:Wrevittia helicoidea2.jpg]][[Image:Wrevittia helicoidea3.jpg]][[Image:Wrevittia helicoidea4.jpg]]</CENTER><BR> |
[[Category:Taxon]] | [[Category:Taxon]] | ||
[[Category:Species|helicoidea Wrevittia]] | [[Category:Species|helicoidea Wrevittia]] | ||
Latest revision as of 10:19, 8 September 2015
*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.
Parent: Wrevittia
