The present note aims to clarify the taxonomic status of the calmoniid trilobite Paranacaste pontagrossensisPopp, 1989, from the Ponta Grossa Formation, Lower Middle Devonian (Eifelian) of the Paraná Basin, Brazil.

...

ParanacastePopp, 1989 was erected as a monotypic genus based on P. pontagrossensis. Carvalho and Edgecombe (1991) described material from the Ponta Grossa Formation as Bainella pontagrossensis (Popp, 1989), considering it to be conspecific with the types, and regarded Paranacaste as a subjective synonym of BainellaRennie, 1930.

...

New specimens that clearly represent Paranacaste pontagrossensis demonstrate that the species is distinct from the Bainella...

First Page Preview

First page PDF preview
You do not currently have access to this article.