View source for Kallosphaeridium helbyi subsp. helbyi

subsp. <I><B>helbyi</B></I>.&nbsp; Autonym.&nbsp; Holotype: [[Cookson and Hughes, 1964]], pl.8, fig.1.&nbsp; Originally <I>[[Canningia minor subsp. minor|Canningia]]</I>? <I>[[Canningia minor subsp. minor|minor]]</I> subsp. <I>[[Canningia minor subsp. minor|minor]]</I>, subsequently <I>[[Chytroeisphaeridia minor subsp. minor|Chytroeisphaeridia minor]]</I> subsp. <I>[[Chytroeisphaeridia minor subsp. minor|minor]]</I>, thirdly (and now) <I>Kallosphaeridium</I>? <I>helbyi</I> subsp. <I>helbyi</I>.&nbsp; Age: Late Albian-Early Cenomanian.
[[Category:Taxon]]
[[Category:Subspecies|helbyi helbyi Kallosphaeridium]]
[[Category:MainIndex]]
<B>Parent:</B> [[Parent Species::Kallosphaeridium helbyi]]