Imbricatea is a class of Rhizaria characterised by silica scales. It is sometimes described as "Imbricatea/Silicofilosea", due to the similarity of those two groupings. Imbricatea is divided into the orders Euglyphida and Thaumatomonadida.

Phylogeny

Phylogeny based on Cavalier-Smith & Chao 2012

SilicofiloseaPlacoperla Perlatia Perlofilida Cavalier-Smith 2012 Spongomonadida Hibberd 1983 emend. Karpov 1990 Placofila Rotosphaerida Rainer 1968 Thaumatomonadida Shirkina 1987 Placonuda Discocelida Cavalier-Smith 1997 Discomonadida Cavalier-Smith 2014 Euglyphia Euglyphida Copeland 1956 emend. Cavalier-Smith 1997 Nudisarca Variglissida Cavalier-Smith 2014 Marimonadida Cavalier-Smith & Bass 2011
PlacoperlaPerlatia Perlofilida Cavalier-Smith 2012 Spongomonadida Hibberd 1983 emend. Karpov 1990 Placofila Rotosphaerida Rainer 1968 Thaumatomonadida Shirkina 1987
PerlatiaPerlofilida Cavalier-Smith 2012 Spongomonadida Hibberd 1983 emend. Karpov 1990
Perlofilida Cavalier-Smith 2012
Spongomonadida Hibberd 1983 emend. Karpov 1990
PlacofilaRotosphaerida Rainer 1968 Thaumatomonadida Shirkina 1987
Rotosphaerida Rainer 1968
Thaumatomonadida Shirkina 1987
PlaconudaDiscocelida Cavalier-Smith 1997 Discomonadida Cavalier-Smith 2014 Euglyphia Euglyphida Copeland 1956 emend. Cavalier-Smith 1997 Nudisarca Variglissida Cavalier-Smith 2014 Marimonadida Cavalier-Smith & Bass 2011
Discocelida Cavalier-Smith 1997
Discomonadida Cavalier-Smith 2014 Euglyphia Euglyphida Copeland 1956 emend. Cavalier-Smith 1997 Nudisarca Variglissida Cavalier-Smith 2014 Marimonadida Cavalier-Smith & Bass 2011
Discomonadida Cavalier-Smith 2014
Euglyphia Euglyphida Copeland 1956 emend. Cavalier-Smith 1997 Nudisarca Variglissida Cavalier-Smith 2014 Marimonadida Cavalier-Smith & Bass 2011
EuglyphiaEuglyphida Copeland 1956 emend. Cavalier-Smith 1997
NudisarcaVariglissida Cavalier-Smith 2014 Marimonadida Cavalier-Smith & Bass 2011
Variglissida Cavalier-Smith 2014
Marimonadida Cavalier-Smith & Bass 2011