Synonym: Cyclostomata Busk 1852
Parent taxon: Stenolaemata according to R. S. Boardman et al. 1983
See also Bardack and Zangerl 1968, Bassler 1953, Boardman and Cheetham 1987, Bock et al. 2020, Brood 1976, Brown 1956, Ernst and Nakrem 2012, Gordon and Taylor 1999, Gordon and Taylor 2015, Guha and Gopikrishna 2007, Jiménez-Sánchez 2009, Lajblová and Kraft 2018, Lee et al. 1997, Schmidt 2003, Sepkoski 2002, Ulrich and Bassler 1904 and Zatoń and Taylor 2010
Sister taxa: Assatkinella, Bajolla, Basslederella, Brestopora, Cryptostomata, Cyclophaenopora, Cyclostomatida, Cystoporata, Fenrstrata, Niigaella, Orbiporidae, Palaeostomata, Pycnobasis, Rhabdomesida, Schischatella, Trepostomata
Subtaxa: Aggregopora Amphimorsoniella Apatotervia Articulata Ascosoeciidae Bicoronipora Biovicella Bobiesipora Braiesopora Buria Cancellata Ceidmonea Ceramoporoidea Cerioporina Circibiopora Coelospiropora Collapora Coronidmonea Corynotrypoides Crassodiscopora Cuffeyella Cylindropora Dactylethrata Decurella Dendroecia Dentalitrya Desmeplatioecia Dichospiropora Diploclemidae Diplodesmepora Diplopetalopora Discotruncatulipora Diversipora Eoheteropora Eohornera Eurystrotos Exidomonea Fasciculinopora Fasciculiporidae Fasciculiporina Fascigera Goryunovia Hederelloidea Heterohaplooecia Idmoneoides Infundibulipora Koldophos Kuarnbyella Kyarnbyella Lagenosypho Laminoporina Lobomesenteripora Monodesmopora Neoretenoa Pachyteichopora Palaeocrisidia Paleotubuliporina Paracrescis Perfodiastopora Poroplagioecia Pseudofrondipora Pseudoseriopora Pseudotervia Radicipora Ramofilisparsa Rectangulata Reptocavea Salpingina Semicinctipora Semifungella Serpentipora Silenopora Sphaerogypina Spirentalophora Spirentolophora Spridmonea Stomatoporopsis Talmontipora Tetragonoecia Theonoidae Triplozooecia Tubuliporina Tubuloporina Voigtia Voigticytis Voigtiella Wolinella
Ecology: stationary epifaunal suspension feeder