Arecidae

Arecidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used ; the only requirement being that it includes the family Arecaceae.

Arecidae in the Takhtajan system

The Takhtajan system used this name for a subclass in the class Liliopsida.

subclass Arecidae
: superorder Arecanae
:: order Arecales
::: family Arecaceae
:: order Cyclanthales
::: family Cyclanthaceae
:: order Arales
::: family Araceae
::: family Lemnaceae
:: order Pandanales
::: family Pandanaceae
:: order Typhales
::: family Sparganiaceae
::: family Typhaceae
Arecidae in the Cronquist system

The Cronquist system used this name for a subclass in the class Liliopsida, with the circumscription:

subclass Arecidae
: order Arecales
:: family Arecaceae
: order Cyclanthales
:: family Cyclanthaceae
: order Pandanales
:: family Pandanaceae
: order Arales
:: family Acoraceae
:: family Araceae
:: family Lemnaceae
APG II system

The APG II system does not use formal botanical names above the rank of order; it assigns the plants included in this subclass by Cronquist in various taxa throughout the clade monocots. In other words, by today's standards Cronquist's subclass was not a "good" group.