PaleoDB taxon number: 7806
Full reference: R. J. Hornư. 1965. Cyrtolites Conrad, 1838 and its position among the Monoplacophora (Mollusca). Acta Musei Nationalis Pragae 21(2):57-70
Parent taxon: Mollusca according to J. J. Sepkoski 2002
Sister taxa: Acaenoplax, Acevina, Actinoconus, Aculopileus, Acutirostriconus, Aldanolina, Algomella, Anisomyaria, Aplacophora, Aulacotrochus, Aviculocephaloconus, Bagenoviella, Beroides, Bisulcus, Bivalvia, Calyptoptomatida, Cambroscutum, Caudofoveata, Centriconus, Cephalopoda, Chiton cottae, Codonoconus, Conchifera, Conchula, Corystos, Crestoconus, Cyrtostoma, Dingus, Diplacophora, Dysmea, Dysnoetopla, Ebianella, Eosoconus, Gastropoda, Granoconus, Gutticonus, Hamatoconus, Helcionelloida, Hemithecellitina, Huangshandogoconus, Huangshandongoconus, Hubeinella, Kaschkadakia, Katunioides, Kepinospira, Khairkhaniidae, Khairkhaniiformes, Kimberella, Kraikchania, Kuanchuanella, Ladamarekiidae, Laticonus, Liantuoconus, Ligyrokala, Mackenziella, Maikhanellidae, Makarakia, Merismoconcha, Minymerisma, Miozonites, Nothamusium, Odontogriphus, Omalenlina, Palaeacmaea, Paragastropoda, Parascenella, Patelliconidae, Peotoconus, Pichynella, Polytropis, Porcaconus, Proconus, Protodrepanostoma, Pseudomatthevia, Rostroconchia, Sachitida, Sargaella, Scamboscamna, Scaphopoda, Scenellopsis, Serialia, Shabaktiella, Sichuanospira, Sinuconus, Solandangella, Solenogastres, Songlingella, Spatuloconus, Stenothecella, Stenothecoida, Sulcocarina, Tentaculita, Trunctoconus, Tuberoconus, Xilingxiaconus, Xinnanospira, Yangtzemerisma
Subtaxa: Archinacellida, Cyrtonellida, Hypseloconida, Kiringellida, Scenelloidea, Tryblidiida
Ecology: slow-moving low-level epifaunal grazer