Opinions from K. M. Cantalice et al. 2019
- 'Carcharias belongs to Odontaspididae'
- 'Carcharodon belongs to Lamnidae'
- 'Cipactlichthys belongs to Neopterygii'
- 'Cipactlichthys scutatus belongs to Cipactlichthys'
- 'Clupeoidei was reranked as a suborder and belongs to Clupeiformes'
- 'Eekaulostomidae belongs to Aulostomoidea'
- 'Eekaulostomus belongs to Eekaulostomidae'
- 'Eekaulostomus cuevasae belongs to Eekaulostomus' according to Cantalice and Alvarado-Ortega 2016
- 'Eekaulostomus cuevasae belongs to Eekaulostomus'
- 'Galeocerdo belongs to Carcharhinidae'
- 'Galeocerdo rosaliensis belongs to Galeocerdo' according to Applegate 1978
- 'Galeocerdo rosaliensis belongs to Galeocerdo'
- 'Goodeidae belongs to Cyprinodontoidei'
- 'Gyrodus belongs to Gyrodontidae'
- 'Hemipristis belongs to Hemigaleidae'
- 'Ictiobus belongs to Ictiobinae'
- 'Ictiobus aguilerai belongs to Ictiobus'
- 'Ictiobus aguilerai belongs to Ictiobus' according to Alvarado-Ortega et al. 2006
- 'Isurus belongs to Lamnidae'
- 'Isurus praecursor belongs to Isurus'
- 'Kelemejtubus belongs to Percomorphaceae'
- 'Kelemejtubus castroi belongs to Kelemejtubus'
- 'Macrosemiocotzus belongs to Macrosemiidae'
- 'Macrosemiocotzus americanus belongs to Macrosemiocotzus'
- 'Makaira belongs to Istiophoridae'
- 'Makaira nigricans belongs to Makaira'
- 'Melvius belongs to Vidalamiinae'
- 'Michin belongs to Pachyrhizodontoidei'
- 'Michin csernai belongs to Michin'
- 'Nebrius belongs to Ginglymostomatidae'
- 'Nhanulepisosteus belongs to Lepisosteidae'
- 'Nhanulepisosteus mexicanus belongs to Nhanulepisosteus' according to Brito et al. 2017
- 'Nhanulepisosteus mexicanus belongs to Nhanulepisosteus'
- 'Notagogus belongs to Macrosemiidae'
- 'Notagogus novomundi belongs to Notagogus'
- 'Odontaspis belongs to Odontaspididae'
- 'Otodus macrotus is recombined as Striatolamia macrota'
- 'Pachyamia belongs to Vidalamiinae'
- 'Pachyamia mexicana belongs to Pachyamia'
- 'Paleoserranus belongs to Serranidae'
- 'Paleoserranus lakamhae belongs to Paleoserranus' according to Cantalice et al. 2018
- 'Paleoserranus lakamhae belongs to Paleoserranus'
- 'Paraclupea belongs to Paraclupeidae'
- 'Paraclupea seilacheri belongs to Paraclupea' according to Alvarado-Ortega and Melgarejo-Damián 2017
- 'Phareodus belongs to Osteoglossinae'
- 'Planohybodus belongs to Hybodontidae'
- 'Pleuropholis belongs to Pleuropholidae'
- 'Pleuropholis cinerosorum belongs to Pleuropholis' according to Alvarado-Ortega and Brito 2016
- 'Pleuropholis cinerosorum belongs to Pleuropholis'
- 'Pycnodus belongs to Pycnodontinae'
- 'Quetzalichthys belongs to Ionoscopidae'
- 'Quetzalichthys perrilliatae belongs to Quetzalichthys'
- 'Ranulfoichthys belongs to Clupeoidei'
- 'Ranulfoichthys dorsonudum belongs to Ranulfoichthys'
- 'Rhinopristiformes belongs to Batoidea'
- 'Scheenstia belongs to Lepidotidae'
- 'Squalus auriculatus is recombined as Carcharodon auriculatus'
- 'Striatolamia belongs to Odontaspididae'
- 'Tapatia belongs to Goodeidae'
- 'Tapatia occidentalis belongs to Tapatia' according to Álvarez and Arriola-Longoria 1972
- 'Tapatia occidentalis belongs to Tapatia'
- 'Teoichthys belongs to Ophiopsidae'
- 'Teoichthys brevipina belongs to Teoichthys'
- 'Teoichthys kallistos belongs to Teoichthys'
- 'Tepexichthys belongs to Pycnodontinae'
- 'Tepexichthys aranguthyorum belongs to Tepexichthys'
- 'Tlalocbatos applegatei belongs to Tlalocbatos'
- 'Tlayuamichin belongs to Semionotidae'
- 'Tlayuamichin itztli belongs to Tlayuamichin'
- 'Unamichthys belongs to Ichthyodectidae'
- 'Unamichthys espinosai belongs to Unamichthys'
- 'Vinctifer belongs to Aspidorhynchidae'
- 'Vinctifer ferrusquiai belongs to Vinctifer' according to Cantalice et al. 2018
- 'Vinctifer ferrusquiai belongs to Vinctifer'