Challaia Explained

Challaia is an extinct genus of prehistoric freshwater ray-finned fish that lived during the Triassic period in what is now Argentina (Mendoza).^[1] Two species are known, C. magna (type species), most likely from the Cerro de Las Cabras Formation, and C. elongata (previously assigned to Myriolepis) from the Los Rastros Formation.^{[2] [3]} Three other species, C. multidentata, C. striata and C.? cacheutensis, are considered nomina dubia.^[3]

C. elongata is the youngest known member of the Acrolepididae, a family of early ray-finned fishes that was dominant throughout the late Paleozoic, and survived into the Triassic.

See also

• Prehistoric fish
• List of prehistoric bony fish

Notes and References

1. Web site: PBDB Taxon . 2024-05-08 . paleobiodb.org.
2. López-Arbarello . A. . Rogers . R. . Puerta . P. . 2006-08-01 . Freshwater actinopterygians of the Los Rastros Formation (Triassic), Bermejo Basin, Argentina . Fossil Record . English . 9 . 2 . 238–258 . 10.1002/mmng.200600011 . 2193-0066. free . 2006FossR...9..238L .
3. López-Arbarello . Adriana . Rauhut . Oliver W. M. . Cerdeño . Esperanza . The Triassic fish faunas of the Cuyana Basin, Western Argentina . Palaeontology . 53 . 2 . 249–276 . 2010 . 10.1111/j.1475-4983.2010.00931.x. 2010Palgy..53..249L . 129540287 . free .