- Taxon calibrated
- Total group Trachichthyoidei
- Minimum age
- 93.6 Ma
- Maximum 95% CI age
- 114.1 Ma
- Authority
- Patterson (1963, 1993)
- Locality
- English Chalk Group, UK
- Age Authority
- See argumentation in Near et al. (2012), calibration 17
- Outgroup sequence
- Hoplopteryx lewesensis (Total group Trachichthyoidei, 93.6 Ma)
- Aipichthys velifer (Total group Lampridformes, 98 Ma)
- Stichocentrus liratus (Total group Holocentroidei, 98 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: Neoteleostei
- Infracohort: Eurypterygia
- Section: Ctenosquamata
- Subsection: Acanthomorphata
- Division: Euacanthomorphacea
- Subdivision: Berycimorphaceae
- Order: Beryciformes