Abstract

The discovery of coverplates sealing off the umbilical parts of foramina in the type species of Gavelinopsis suggests a reclassification of the genus from the Rosalinidae to the Ammoniinae. Inhomogeneities in the ultrastructure of the coverplate raises doubts about the phylogenetic homology of this anatomical feature. The uncertainty of the taxonomic value of this character increases the fragility of the suprageneric taxonomic framework of the Rotaliina.

You do not currently have access to this article.