- Taxon calibrated
- Crown group Callichthyidae
- Minimum age
- 39.5 Ma
- Maximum 95% CI age
- 99.30 Ma
- Authority
- NA
- Locality
- Mais Gordo Formation, Argentina
- Age Authority
- Minimum age constrained by zircon dating of overlying Faja Verde (del Papa et al. 2010)
- Outgroup sequence
- Corydoras revelatus (Crown group Callichthyidae, 39.5 Ma)
- Astephus sp. (Total group Ictaluridae, 59.36 Ma)
- Characiformes indet. (Total group Characiformes, 93.9 Ma)
- Rubiesichthys gregalis (Chanidae vs Kneriidae, 126.3 Ma)
- Leptolepides haerteisi (Total group Euteleostei, 150.94 Ma)
- Tischlingerichthys viohli (Crown Otomorpha, 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: Otomorpha
- Subcohort: Ostariophysi
- Section: Otophysa
- Superorder: Characiphysae
- Order: Siluriformes
- Suborder: Loricaroidei
- Family: Callichthyidae