Taxon calibrated
Crown Esox
Minimum age
51.57 Ma
Maximum 95% CI age
114.0 Ma
Authority
Grande (1999)
Locality
Fossil Butte Member, Green River Formation (F-2 locality), Wyoming, USA
Age Authority
Smith et al. (2008)
Outgroup sequence
Esox kronneri (Crown Esox, 51.57 Ma)
Estesesox foxi (Total group Esocidae, 76.4 Ma)
Apateodus glyphodus (Total group Aulopiformes, 103.13 Ma)
Leptolepides haerteisi (Total group Euteleostei, 150.94 Ma)
Anaethalion zapporum (Crown Teleostei, 151.2 Ma)
Occithrissops willsoni (stem Teleostei 5, 166.1 Ma)
Leptolepis coryphaenoides (stem Teleostei 4, 181.7 Ma)
Dorsetichthys bechei (stem Teleostei 3, 193.81 Ma)
Knerichthys bronni (stem Teleostei 2, 221 Ma)
Prohalecites porroi (stem Teleostei 1, 236 Ma)
Watsonulus (stem Halecomorphi 1, 251.2 Ma)
Taxa this fossil might apply to:
Class: Actinopteri
Subclass: Neopterygii
Infraclass: Teleostei
Megacohort: Osteoglossocephalai
Supercohort: Clupeocephala
Cohort: Euteleosteomorpha
Subcohort: Protacanthopterygii
Order: Esociformes
Family: Esocidae