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- Title
A phylogeny of the fossil and extant zeiform-like fishes, Upper Cretaceous to Recent, with comments on the putative zeomorph clade (Acanthomorpha).
- Authors
Tyler, JamesC.; Santini, Francesco
- Abstract
Tyler, J. C.&Santini, F. (2005). A phylogeny of the fossil and extant zeiform-like fishes, Upper Cretaceous to Recent, with comments on the putative zeomorph clade (Acanthomorpha).— Zoological Scripta,**, ***–***.A phylogenetic hypothesis based on 107 morphological characters is proposed for a data set of 43 taxa. Thirty-three are extant and belong to the orders Zeiformes (20 taxa), Caproiformes (2), Tetraodontiformes (2), Beryciformes (3), Stephanoberyciformes (3) and Perciformes (3). Ten are fossil taxa previously assigned to the Zeiformes (3), Caproiformes (1), Tetraodontiformes (2), Perciformes (1), and to two extinct Eocene families, the Sorbinipercidae (2) and the Zorzinichthyidae (1). This analysis indicates the existence of a previously undocumented clade formed by the families Sorbinipercidae + Zorzinichthyidae that may be related to the tetraodontiforms. It also shows that two uppermost Palaeocene species,Archaeozeus skamolensisandProtozeus kuehnei, sequentially represent the two most basal lineages of zeiforms, whereas the most ancient known zeiform, the Upper CretaceousCretazeus rinaldii, belongs within the clade of extant species in a polytomy with many other zeiform lineages. A reduced data set of 25 mostly zeiform taxa, after the removal of most outgroups, shows at least weak support forCretazeusbeing nested deeply within the extant zeiforms; such a placement would indicate that at least six lineages of zeiforms were present during the Upper Cretaceous, and survived the Cretaceous/Tertiary (K/T) extinction to radiate in Cenozoic seas.
- Subjects
PHYLOGENY; FOSSILS; ZEIFORMES; TETRAODONTIFORMES; OSTEICHTHYES; BIOLOGICAL evolution
- Publication
Zoologica Scripta, 2005, Vol 34, Issue 2, p157
- ISSN
0300-3256
- Publication type
Article
- DOI
10.1111/j.1463-6409.2005.00180.x