Taxon calibrated
Total group Echelus
Minimum age
53.7 Ma
Maximum 95% CI age
148.6 Ma
Authority
Santini et al. (2013), Young (1993), Young & Williams (2008)
Locality
London Clay (Division B2), Aveley Quarry, UK
Age Authority
NP11 based on Friedman et al. (2016), age estimate derived from Gradstein et al. (2012)
Outgroup sequence
Echelus branchialis (Total group Echelus, 53.7 Ma)
Baugeichthys caeruleus (Albuliformes + Anguilliformes, 129.4 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:
Family: Ophichthidae
Order: Anguilliformes