Difference between revisions of "TAXONOMY"
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| − | !align="center" colspan="2"|Foraminiferal taxonomy is primarily based on the [[composition]] and morphology of the [[test]]. | + | !align="center" colspan="2"|Foraminiferal taxonomy is primarily based on the [[composition]] and morphology of the [[test]]. Unfortunately, "the division of the Foraminifera into subgroups is problematic; existing morphology- |
| + | based schemes (e.g. Loeblich and Tappan 1988) are not fully consistent with molecular phylogenetic | ||
| + | data ... Molecular analyses reveal that polythalamous tests evolved at least twice: in the lineage | ||
| + | leading to a large radiation of agglutinated textulariids and calcareous rotaliids, and in the lineage | ||
| + | leading to miliolids, characterized by microgranular, low-Mg calcitic walls" (after Pawlowski et al. 2003b; from [http://www.blackwell-synergy.com/toc/jeu/52/5 Adl et al. 2005] - p.418). | ||
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