Parent taxon: Podocopida according to C. T. Bergue and A. Govindan 2010
See also de Mattos Manica and Coimbra 2016 and Liebau 2005
Sister taxa: Abrocythereis, Abursus, Abyssocythereis, Actiangulata, Acuticytheretta, Aegyptiana, Afranticythereis, Afrocytheridea, Agulhasina, Aikenicythere, Alatacavellina, Alataleberis, Algerina, Allocythereis, Alocopocythere, Altha, Amphileberis, Amphistegina, Aneisohealdia, Angliaecytheridea, Ankumia, Anommatocyther, Anxiania, Apateloschizocythere, Aphrikanecythere, Aratrocypris, Archeocosta, Argenticytheretta, Arrazocypris, Artifactella, Aruduce, Ascetoleberis, Asturiella, Asymmetricythere, Australicythere, Aysegulina, Baffincythere, Bairdiocopina, Bairdiohealdites, Bairdiomorpha, Balowella, Balticelloidea, Barrychilina, Batavocythere, Bathycythere, Beatamoosina, Bolbozoella, Borovitchella, Bosquetia, Bufanchiste, Bulbosclerites, Calcaribeyrichia, Capsacythere, Caribbella, Casterocythere, Caytonidea, Ceratocratia, Chapmanicythereis, Chejudocythere, Chrysocythere, Cistacythereis, Cladarocythere, Cleithranchiste, Cletocythereis, Clinocythere, Collisboris, Condomyra, Coniferina, Coquimba, Cornicythereis, Cornucoquimba, Costaveenia, Craspedographylus, Crassacythere, Crenaleya, Cretaceratina, Cristaeleberis, Crucicornina, Cypridocopina, Cystacythereis, Cytheracea, Cytherideoidea, Cytherocopina, Dahomeya, Dallonella, Darwinulocopina, Dentokrithe, Dicrorygma, Dictocythere, Diebelina, Donmacythere, Doratocythere, Dornbuschia, Dumontina, Egenacythere, Egorovia, Egorovitina, Ellesmerina, Eobuntonia, Eocytheridea, Eopaijenborchella, Eoparaparchites, Eostephanella, Eripleura, Escharacytheridea, Estonaceratella, Eudecacythere, Euglyphella, Euthlipsurella, Fabanella, Falsocythere, Fastigastocythere, Faveolebris, Finmarchinella, Fissocrinocythere, Flabellimutilis, Flexuocythere, Forbescythere, Foveoleberis, Frostiella, Fueloepicythere, Fuhrbergiella, Gammacythere, Garnuella, Gerbeckites, Gibberlebeis, Ginginella, Glabellacythere, Glyptocythere, Glyptogatocythere, Glyptolichvinella, Golcocythere, Gramannella, Grekoffiana, Grinioneis, Gruendelella, Grundelella, Gujaratella, Gunneropsis, Gyrocythere, Hammatocythere, Hanaiborchella, Hanaiceratina, Hanaicythere, Harperopsis, Haughtonileberis, Healdiacypris, Healdiocopina, Heliocythere, Hellebardia, Heptaloculites, Hercynocythere, Herrigocyther, Hesslandites, Hiltermannicythere, Holcopocythere, Horrificiella, Hourqia, Hyphasmaphora, Hystricocythere, Iatella, Imhotepia, Ionicythere, Iraqicythereis, Isobuntonia, Isohabrocythere, Jefina, Jingguella, Kaesleria, Karsteneis, Kefiella, Keijella, Keslingiella, Kirtonella, Krausellina, Kroemmelbeinella, Kroemmelbeinia, Kummerowia, Lankacythere, Lesleya, Liasopteron, Ligerina, Lindisfarnia, Liujingnia, Lixouria, Ljubimovella, Loculibairdia, Londinia, Longyuanella, Lophoctenella, Louza, Loxocorniculum, Macrosarisa, Macrypsilon, Majungaella, Mandawacythere, Mandocythere, Margoplanitia, Martinicythere, Matronella, Mauritsina, Megommatocythere, Memoria, Messinella, Metacopina, Microparaparchites, Micropneumatocythere, Miocytheridea, Moosina, Morkhovenia, Morkhovenicythereis, Murthya, Namaia, Nanacythere, Nanurocythereis, Navarracythere, Necrateria, Nemoceratina, Neobairdia, Neoberounella, Neocraterellina, Neocytheretta, Neonyhamnella, Neooctonaria, Neophrecythere, Neothlipsura, Netschajewiana, Nigeria, Nigeroloxoconcha, Nikitinella, Nonurocythereis, Nophrecythere, Notocythere, Novocypris, Nucleolina, Nuguschia, Obisafitella, Oblitacythereis, Occlusacythereis, Occulocytheropteron, Octonaria, Octosylthere, Olbia, Olimfalunia, Ommatokrithe, Opimocythere, Orbitolina, Ordoniya, Ornatoleberis, Ouachitaia, Ovatoquasillites, Pacambocythere, Pachycaudites, Pachydomelloides, Paleocosta, Papillatabairdia, Paracytheromorpha, Paraexophthalmocythere, Paragrenocythere, Parahemingwayella, Paramicrocheilinella, Paranotacythere, Paraschizocythere, Parasterbergella, Pariceratina, Parvacythereis, Peloriops, Peteraurila, Phodeucythere, Phthanoloxoconcha, Phyrocythere, Physocythere, Pinnoxypridea, Pistocythereis, Planileberis, Plantella, Platycopa, Pleurifera, Pneumatocythere, Podocopina, Polenovula, Porkornyopsis, Posacythere, Praemunseyella, Praephacorhabdotus, Praeschuleridea, Predarwinula, Premunseyella, Proabyssocypris, Procytherideis, Progoncythere, Progonoidea, Prorectella, Prosumia, Protoacanthcythere, Protoargilloecia, Protojonesia, Pseudacantoscapha, Pseudoaurila, Pseudocavellina, Pseudoceratina, Pseudocytheretta, Pseudohustonia, Pseudoprotocythere, Pseudopsammocythere, Puricytheretta, Qingjiania, Radimella, Ranicella, Raymoorea, Rayneria, Rectobuntonia, Reticulina, Reticulocosta, Revisylthere, Reymenticosta, Rhadinocythere, Rhocobairdia, Rimacytheropteron, Rishona, Robertsonites, Rostrocytheridea, Ruchholzella, Rudderina, Ruggieriella, Rushdisaidina, Rutlandella, Saalfeldella, Sahnicythere, Sarlatina, Sarsicytheridea, Saumella, Saxellacythere, Scaphium, Scepticocythereis, Schleesha, Schneideria, Semicytheretta, Septiferina, Sigilliocopina, Simicypris, Sinocytheridea, Sleia, Sondagella, Soudanella, Spinomicrtocheilinella, Stenestroemia, Sternbergea, Stigmatocythere, Stravia, Swainocythere, Sylthere, Syltherella, Sylvestra, Tavanicythere, Tchizhovaella, Tegmenia, Tenedocythere, Terquemula, Tetracytherurua, Thlipsohealdia, Thlipsorothella, Tianjinia, Tickalacythere, Toolongella, Triadohealdia, Tricordis, Triebacythere, Trinacriacythere, Tuberculocythere, Tuberoceratina, Tungschuania, Turmaekrithe, Typhloeucytherura, Valumoceratina, Veeniacythereis, Veeniceratina, Velapezoides, Ventrocythereis, Verseya, Vitjasiella, Wellandia, Xenoleveris, Xiajiangella, Yiduella, Zabythocypris, Zagorala, Zenkovaelina
Subtaxa: Hemicytheridae Thaerocytheridae
Type: Trachyleberididae
Ecology: epifaunal detritivore-grazer
Distribution:
• Quaternary of France (2 collections), India (2), Italy (4), Panama (1), United States (3: California, Florida)
• Pliocene of Greece (1), New Zealand (1), United States (1: North Carolina)
• Miocene to Pliocene of North Atlantic (3)
• Miocene of Algeria (1), Austria (1), Belgium (1), Colombia (9), Croatia (3), Cuba (1), France (1), Greece (23), India (1), Italy (11), Morocco (2), Panama (1), Poland (19), Puerto Rico (8), South Africa (3), Southern Ocean (1), Trinidad and Tobago (3), Türkiye (3), United States (2: Florida, Maryland)
• Oligocene of Antarctica (3), Antigua and Barbuda (9), Germany (1), Indian Ocean (2), Italy (2), Mexico (2), Puerto Rico (12), Southern Ocean (2), United States (2: Louisiana, North Carolina)
• Eocene of Bangladesh (3), Hungary (2), India (1), Indian Ocean (3), Libya (1), Mexico (2), New Zealand (1), Pakistan (3), Southern Ocean (4), Tonga (1), United States (7: Alabama, North Carolina)
• Paleocene of Argentina (1), Indian Ocean (1), Trinidad and Tobago (5), United States (4: Missouri)
• Cretaceous to Paleogene of Argentina (3)
• Cretaceous of Argentina (2), the Netherlands (3), Saudi Arabia (1), South Atlantic (1)
Total: 196 collections including 419 occurrences