Table 1 in The paleoichthyofauna housed in the Coleccion Nacional de Paleontologia of Universidad Nacional Autonoma de Mexico

Table 1. Remarks of outstanding Mexican species housed at the CNP-UNAM. Abbreviation: A. America; L. last occurrence; N. North America; O. oldest occurrence. The asterisk means the oldest generic occurrence.
TaxonOldest or Last occurrenceFirst reportApparent endemismClass CHONDRICHTHYESOrder † HYBODONTIFORMESFamily † HYBODONTIDAE† Planohybodus indet.NOrder CARCHARHINIFORMESFamily CARCHARHINIDAE† Galeocerdo rosaliensisXOrder RHINOPRISTIFORMESFamily incertae sedis† Tlalocbatos applegateiXClass ACTINOPTERYGIIOrder incertae sedisFamily incertae sedis† Cipactlichthys scutatusXOrder † ASPIDORHYNCHIFORMESFamily † ASPIDORHYNCHIDAE† Vinctifer ferrusquiaiO*XOrder † PYCNODONTIFORMESFamily † PYCNODONTIDAE† Pycnodus sp.OA† Tepexichthys aranguthyorumXDivision GINGLYMODIOrder † SEMIONOTIFORMESFamily † SEMIONOTIDAE† Tlayuamichin itztliXFamily † MACROSEMIIDAELA† Notagogus novomundiX† Macrosemiocotzus americanusXOrder LEPISOSTEIFORMESFamily LEPIDOTIDAEScheenstia sp.AFamily LEPISOSTEIDAEOA† Nhanulepisosteus mexicanusXDivision HALECOMORPHIOrder † IONOSCOPIFORMESFamily † IONOSCOPIDAELA† Quetzalichthys perrilliataeXFamily † OPHIOPSIDAELA† Teoichthys kallistosX† Teoichthys brevipinaXOrder AMIIFORMESFamily AMIIDAEOA† Pachyamia mexicanaO*XOrder † PHOLIDOPHORIFORMESFamily † PLEUROPHOLIDAE† Pleuropholis cinerosorumAXOrder † ICHTHYODECTIFORMESFamily † Ichthyodectyidae† Unamichthys espinosaiXOrder OSTEOGLOSSIFORMESFamily OSTEOGLOSSIDAE† Phaerodus indet.O*Order † CROSSOGNATHIFORMESFamily incertae sedis† Michin csernaiXOrder † ELLIMMICHTHYIFORMESFamily † PARACLUPEIDAE† Paraclupea seilacheriAOrder CLUPEIFORMESFamily incertae sedis† Ranulfoichthys dorsonudumXOrder CYPRINIFORMESFamily CATOSTOMIDAEO† Ictiobus aguileraiXDivision ACANTHOPTERYGIIOrder incertae sedisFamily incertae sedis† Kelemejtubus castroiXOrder SYNGNATHIFORMESOFamily † EEKAULOSTOMIDAE† Eekaulostomus cuevasaeXOrder CYPRINODONTIFORMESFamily GOODEIDAEO† Tapatia occidentalisXOrder PERCIFORMESFamily SERRANIDAEO† Paleoserranus lakamhaeX