Difference between revisions of "Gonyaulacysta dualis"

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<I><B>dualis</B></I> ([[Brideaux and Fisher, 1976]], p.18-20, pl.1, figs.4-6,8-12; pl.2, figs.1-2) [[Stover and Evitt, 1978]], p.158.&nbsp; Holotype: [[Brideaux and Fisher, 1976]], pl.1, figs.4-5; [[Jan du Ch&#234;ne et al., 1986a]], pl.37, figs.11-12.&nbsp; Originally <I>[[Psaligonyaulax dualis|Psaligonyaulax]]</I>, subsequently (and now) <I>Gonyaulacysta</I>.&nbsp; Taxonomic senior synonym: <I>[[Gonyaulax jurassica Appendix B|Gonyaulax]]</I> (as <I>[[Gonyaulacysta jurassica|Gonyaulacysta]]</I>) <I>[[Gonyaulax jurassica Appendix B|jurassica]]</I>, according to [[Sarjeant, 1982b|Sarjeant (1982b]], p.29) - however, [[Jan du Ch&#234;ne et al., 1986a|Jan du Ch&#234;ne et al. (1986a]], p.131) retained <I>Gonyaulacysta dualis</I>.&nbsp; Taxonomic junior synonym: <I>[[Psaligonyaulax australica]]</I>, according to [[Brenner, 1988|Brenner (1988]], p.54).&nbsp; Age: Late Oxfordian-Late Kimmeridgian.
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<I><B>dualis</B></I> ([[Brideaux and Fisher, 1976]], p.18&ndash;20, pl.1, figs.4&ndash;6,8&ndash;12; pl.2, figs.1&ndash;2) [[Stover and Evitt, 1978]], p.158.&nbsp; Holotype: [[Brideaux and Fisher, 1976]], pl.1, figs.4&ndash;5; [[Jan du Ch&#234;ne et al., 1986a]], pl.37, figs.11&ndash;12.&nbsp; Originally <I>[[Psaligonyaulax dualis|Psaligonyaulax]]</I>, subsequently (and now) <I>Gonyaulacysta</I>.&nbsp; Taxonomic senior synonym: <I>[[Gonyaulax jurassica Appendix B|Gonyaulax]]</I> (as <I>[[Gonyaulacysta jurassica|Gonyaulacysta]]</I>) <I>[[Gonyaulax jurassica Appendix B|jurassica]]</I>, according to [[Sarjeant, 1982b|Sarjeant (1982b]], p.29) &mdash; however, [[Jan du Ch&#234;ne et al., 1986a|Jan du Ch&#234;ne et al. (1986a]], p.131) retained <I>Gonyaulacysta dualis</I>.&nbsp; Taxonomic junior synonym: <I>[[Psaligonyaulax australica]]</I>, according to [[Brenner, 1988|Brenner (1988]], p.54).&nbsp; Age: late Oxfordian&ndash;late Kimmeridgian.
 
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<BR><CENTER>[[Image:Gonyaulacysta_dualis1.jpg|link=]][[Image:Gonyaulacysta_dualis2.jpg|link=]][[Image:Gonyaulacysta_dualis3.jpg|link=]][[Image:Gonyaulacysta_dualis4.jpg|link=]]</CENTER>
 
<BR><CENTER>[[Image:Gonyaulacysta_dualis1.jpg|link=]][[Image:Gonyaulacysta_dualis2.jpg|link=]][[Image:Gonyaulacysta_dualis3.jpg|link=]][[Image:Gonyaulacysta_dualis4.jpg|link=]]</CENTER>

Latest revision as of 14:29, 30 December 2016

dualis (Brideaux and Fisher, 1976, p.18–20, pl.1, figs.4–6,8–12; pl.2, figs.1–2) Stover and Evitt, 1978, p.158.  Holotype: Brideaux and Fisher, 1976, pl.1, figs.4–5; Jan du Chêne et al., 1986a, pl.37, figs.11–12.  Originally Psaligonyaulax, subsequently (and now) Gonyaulacysta.  Taxonomic senior synonym: Gonyaulax (as Gonyaulacysta) jurassica, according to Sarjeant (1982b, p.29) — however, Jan du Chêne et al. (1986a, p.131) retained Gonyaulacysta dualis.  Taxonomic junior synonym: Psaligonyaulax australica, according to Brenner (1988, p.54).  Age: late Oxfordian–late Kimmeridgian.


Gonyaulacysta dualis1.jpgGonyaulacysta dualis2.jpgGonyaulacysta dualis3.jpgGonyaulacysta dualis4.jpg
Parent: Gonyaulacysta