Difference between revisions of "Isabelidinium cretaceum"
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| − | <B><I>cretaceum</I></B> ([[Cookson, 1956]], p.184 | + | <B><I>cretaceum</I></B> ([[Cookson, 1956]], p.184–185, pl.1, figs.1–7 [but see below]) [[Lentin and Williams, 1977a]], p.167. Holotype: [[Cookson, 1956]], pl.1, fig.1; [[Helby et al., 1987]], fig.42L. Originally <I>[[Deflandrea cretacea|Deflandrea]]</I>, subsequently <I>[[Isabelia cretacea|Isabelia]]</I> (combination illegitimate), thirdly (and now) <I>Isabelidinium</I>, fourthly <I>[[Manumiella cretacea|Manumiella]]</I>? This species was retained in <I>Isabelidinium</I> by [[Bowman et al., 2012|Bowman et al. (2012]], p.54). Of the original illustrations in the protologue, pl.1, figs.6–7 were considered by [[Cookson and Eisenack, 1960a|Cookson and Eisenack (1960a]], p.4) to belong to their new species, <I>[[Nelsoniella aceras]]</I>; pl.1, fig.5 was considered by [[Lentin and Williams, 1985|Lentin and Williams (1985]], p.231) to belong to <I>[[Manumiella delicata]]</I>; thus, only pl.1, figs.1–4 are now considered to belong to this species. Age: Late Cretaceous. |
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Latest revision as of 19:30, 21 December 2016
cretaceum (Cookson, 1956, p.184–185, pl.1, figs.1–7 [but see below]) Lentin and Williams, 1977a, p.167. Holotype: Cookson, 1956, pl.1, fig.1; Helby et al., 1987, fig.42L. Originally Deflandrea, subsequently Isabelia (combination illegitimate), thirdly (and now) Isabelidinium, fourthly Manumiella? This species was retained in Isabelidinium by Bowman et al. (2012, p.54). Of the original illustrations in the protologue, pl.1, figs.6–7 were considered by Cookson and Eisenack (1960a, p.4) to belong to their new species, Nelsoniella aceras; pl.1, fig.5 was considered by Lentin and Williams (1985, p.231) to belong to Manumiella delicata; thus, only pl.1, figs.1–4 are now considered to belong to this species. Age: Late Cretaceous.
Parent: Isabelidinium
Infrataxon List: