TABLE 1. Orders and genera of Chondrichthyes documented in the Tethys Sea region. The numbers within brackets in the first row refer to localities: (1) Luna de Sus, Romania, lowermost Bartonian (this article); (2) Gradizhsk, Ukraine, Lutetian-Bartonian (Udovichenko, 2006); (3) Osinovo, Ukraine, lower Lutetian (Udovichenko, 2009); (4) Crimea, Russia, Gornyi Luch site, middle Eocene, most probably, Bartonian (Malyshkina et al., 2013); (5) Crimea, Russia, Bakhchisarai site, middle Eocene, most probably, Bartonian (Malyshkina et al., 2013; Leder, 2013); (6) Morozovsk, Russia, middle Eocene (Timircev and Popov, 2011); (7) Gerecse, Hungary, middle Eocene (Kocsis, 2002); (8) Trelde Næs, Denmark, upper Ypresian to middle Lutetian (Carlsen and Cuny, 2014); (9) Dalum and Osteroden, Germany (Diedrich, 2012); (10) Oosterzele, Lutetian, Belgium (Eeckhaut and De Schutter, 2009); (11) Paris Basin, the Lutetian-Bartonian interval only (Dutheil, 1990); (12) Midawara Fm., Egypt, Lutetian (Underwood et al., 2011); (13) Dakhla, Morocco (Adnet et al., 2010). (*) genera that are valid, but have an unclear/uncertain use in the Eocene; (**) Otodus is used sensu Cappetta, (2012) and reunites Otodus and Carcharocles.
| Orders | Genera | (1) Luna ROMANIA | (2) Gradizhsk UKRAINE | (3) Osinovo UKRAINE | (4) Gornyi RUSSIA | (5) Bakhchisarai RUSSIA | (6) Morozovsk RUSSIA | (7) Gerecse HUNGARY | (8) Trelde Næs DANEMARCK | (9) Dalum GERMANY | (10) Oosterzele BELGIUM | (11) Paris Basin FRANCE | (12) Midawara EGYPT | (13) Dakhla MOROCCO |
| HETERODONTIFORMES | Heterodontus | – | – | – | – | – | – | |||||||
| ORECTOLOBIFORMES | Chiloscyllium | – | – | |||||||||||
| Eostegostoma | – | – | ||||||||||||
| Hemiscyllium | – | |||||||||||||
| Pararhincodon | – | |||||||||||||
| Nebrius | – | – | – | – | – | |||||||||
| Palaeorhincodon | – | – | ||||||||||||
| Protoginglymostoma | – | |||||||||||||
| CARCHARHINIFORMES | Abdounia | – | – | – | – | – | – | – | – | – | ||||
| Carcharinus | – | – | ||||||||||||
| Crassescyliorhinus | – | |||||||||||||
| Foumtizia | – | – | ||||||||||||
| Galeocerdo | – | – | – | – | – | – | – | – | – | |||||
| Galeorhinus | – | – | – | – | ||||||||||
| Hemipristis | – | – | ||||||||||||
| Iago | – | – | – | |||||||||||
| Leptocharias | – | |||||||||||||
| Megascyliorhinus | – | |||||||||||||
| Misrichthys | – | |||||||||||||
| Pachygaleus | – | – | ||||||||||||
| Paragaleus | – | |||||||||||||
| Physogaleus | – | – | – | – | – | – | – | – | – | – | – | |||
| Premontreia | – | |||||||||||||
| Rhizoprionodon | – | – | – | – | – | – | ||||||||
| Scyliorhinus | – | – | – | |||||||||||
| Sphyrna | – | |||||||||||||
| Triakis | – | – | ||||||||||||
| Triakidae nov. genus | – | |||||||||||||
| LAMNIFORMES | Alopias | – | – | – | – | – | – | |||||||
| Anomotodon | – | – | – | |||||||||||
| Carcharias | – | – | – | – | – | |||||||||
| Carcharodon * | – | |||||||||||||
| Cretalamna | – | – | ||||||||||||
| Brachycarcharias | – | – | – | – | ||||||||||
| Hypotodus | – | – | – | – | – | – | ||||||||
| Isurolamna | – | – | – | – | – | – | – | – | ||||||
| Isurus * | – | – | ||||||||||||
| Jaekelotodus | – | – | – | – | – | – | – | – | ||||||
| Macrorhizodus | – | – | – | – | – | – | – | – | – | – | ||||
| Mitsukurina | – | |||||||||||||
| Otodus sensu Cappetta, 2012 | – | – | – | – | – | – | – | – | – | |||||
| Odontaspis | – | – | – | – | – | – | – | |||||||
| Palaeohypotodus | – | |||||||||||||
| Parotodus | – | |||||||||||||
| Sylvestrilamia | – | – | ||||||||||||
| Striatolamia | – | – | – | – | – | – | – | – | – | – | – | |||
| Turania | – | |||||||||||||
| Usakias | – | – | – | |||||||||||
| Woellsteinia | – | |||||||||||||
| Xiphodolamia | – | – | – | – | ||||||||||
| HEXANCHIFORMES | Chlamydoselachus | – | ||||||||||||
| Heptranchias | – | |||||||||||||
| Hexanchus | – | – | – | |||||||||||
| Notorhynchus | – | – | – | |||||||||||
| Weltonia | – | |||||||||||||
| SQUATINIFORMES | Squatina | – | – | – | – | – | ||||||||
| SQUALIFORMES | Centrophorus | – | ||||||||||||
| Echinorhinus | – | – | ||||||||||||
| Isistius | – | – | – | – | ||||||||||
| Squalus | – | |||||||||||||
| MYLIOBATIFORMES | Aetobatus | – | – | – | – | – | – | – | – | |||||
| Archaeomanta | – | – | – | |||||||||||
| Aturobatis | – | |||||||||||||
| Burnhamia | – | – | – | – | – | – | ||||||||
| Coupatezia | – | – | – | – | ||||||||||
| Dasyatis | – | – | – | – | – | – | – | |||||||
| Garabatis | – | |||||||||||||
| Gymnura | – | – | – | |||||||||||
| Heterotorpedo | – | |||||||||||||
| Himantura * | – | – | ||||||||||||
| Hypolophodon | – | |||||||||||||
| Jacquhermania | – | |||||||||||||
| Leidybatis | – | – | – | |||||||||||
| Lophobatis | – | |||||||||||||
| Mobula | – | |||||||||||||
| Myliobatis | – | – | – | – | – | – | – | – | ||||||
| Neotrygon | – | |||||||||||||
| Pseudoaetobatus | – | |||||||||||||
| Rhinoptera | – | |||||||||||||
| Ouledia | – | – | ||||||||||||
| Taeniura | – | |||||||||||||
| RHINOPRISTIFORMES | Anoxypristis | – | – | – | ||||||||||
| Platyrhina | – | |||||||||||||
| Platyrhinoidis | – | |||||||||||||
| Pristis | – | – | – | – | – | |||||||||
| Propristis | – | – | ||||||||||||
| Rhinobatos | – | – | – | – | – | – | ||||||||
| Rhynchobatus | – | – | – | – | ||||||||||
| PRISTIOPHORIFORMES | Pristiophorus | – | ||||||||||||
| TORPEDINIFORMES | Narcine | – | – | |||||||||||
| SELACHII INC. SEDIS | Odontorhytis | – | – | |||||||||||
| Total number of genera | 15 | 18 | 17 | 7 | 9 | 15 | 7 | 32 | 17 | 41 | 33 | 36 | 38 | |
| Genera in common with Luna | 10 | 13 | 4 | 4 | 8 | 6 | 8 | 6 | 14 | 12 | 10 | 11 |
