View source for H PHYLOGENETIC RELATIONSHIPS AND EVOLUTIONARY HISTORY OF ''Igorina''

{{H-TestTemplate4
|Author(s)=D.M. Soldan, M.R. Petrizzo, I. Premoli SIlva, A. Cau
|Publication Year=2011
|Source (e.g. journal, book)=Journal of Foraminiferal Research 41 (3), 260-284.
|Age=Paleogene
|Subject(s)=Taxonomy, Evolution
|Annotation=...... This study investigates the origin and phylogeny of the genus Igorina, which is characterized by a thick, nonspinose and incrusted wall. Igorina appears in Subzone P3a (early late Paleocene) and disappears in Zone P11 (middle Eocene). ......
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5th example.