Consulta: subjectFacets:"Lumbrera Formation"
Registros recuperados: 1
Data/hora: 09/06/2024 04:12:28

A new genus and species of Heroini (Perciformes: Cichlidae) from the early Eocene of southern South America
Provedor de dados: Neotropical Ichthyology
Autores: Perez,Patricia Alano; Malabarba,Maria Claudia; del Papa,Cecilia.
The Lumbrera Formation is the uppermost unit of the Salta Group, which crops out in northwestern Argentina. The paleoenvironment of the Lumbrera Formation is interpreted as a perennial lake deposited under temperate climatic conditions during the early to middle Eocene. Its fossil content is made up of palynomorphs, insects, crocodiles, turtles, lizards, and mammals, besides an ichthyofauna formed by cichlids, poeciliids and dipnoans. †Plesioheros chauliodus is described based on a single individual from this formation, which was fossilized as a lateral view impression (missing anal and caudal fins). It can be distinguished from other cichlids by a moderately deep body, enlarged anterior dentary teeth bearing subapical cusp, a low abdominal vertebral count...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Argentina; Cichlinae; Fossil cichlid; Lumbrera Formation; Plesioheros chauliodus; Ypresian-Lutetian.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252010000300008