Order Equisetales Dumortier 1829
PaleoDB taxon number: 55865
Parent taxon: Sphenopsida according to S. Chatterjee et al. 2013
Sister taxa: Barakaria, Brukmannia, Calamospora, Carpannularia, Ceratophyllites, Endocalamites, Eupalaeostachya, Kallostachys, Lilpopiaceae, Paracalamites, Prynadaia, Sphenostrobus, Sphondylophyton
Subtaxa: Angaroradix, Annularia, Annulariopsis, Annularites, Annulina, Borisiella, Calamitaceae, Corynophyllites, Equisetaceae, Equisetophyton, Lelstotheca, Lobatannularia, Manchurostachys, Neokoretrophyllites, Notocalamites, Oncylogonatum, Phyllostachya, Protannularia, Protocalamostachys, Pseudoannularia, Pseudoasterophyllites, Pseudolobatannularia, Raniganjia, Schizoneura, Schizoneuropsis