|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Actinopteri - Tetraodontiformes
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|R. A. Close et al. 2016||Tetraodontiform fish displaying the following unique combination of characters: series of greatly enlarged, broad, plate-like dorsal-fin spines and expanded, flattened supporting proximal radials inserting far anteriorly along the skull roof; proximal radials with posteroventral shaft overlapped by previous proximal radial; paired premaxillae and dentaries fully fused across their midlines, lacking sutures, anteriorly projecting bulge of teeth associated with fused premaxillae; tooth roots elongate with pointed tips; post-temporals present; well-developed, rodlike pelves; pleural ribs present; anterior abdominal vertebrae with prominent transverse processes.|