Clade Sessilia Lamarck 1818
Parent taxon: Thoracicalcarea according to B. K. K. Chan et al. 2021
See also Collareta et al. 2018, Gale 2019, Jones 2007 and Martin and Davis 2001
Sister taxa: Archaeolepadomorpha, Balanomorpha, Calamida, Calanticomorpha, Pollicipomorpha, Scalpellomorpha, Unilatera, Verrucomorpha
Subtaxa: Brachylepadomorpha
Distribution: there are no occurrences of Sessilia in the database