|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Actinopteri - Anguilliformes - Congridae
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.
|W. Schwarzhans 2003||Elongated, nearly symmetrical and massive otoliths. The sulcus is undifferentiated and filled with a single, oval colliculum, which is somewhat reduced to the anterior. The dorsal depression is wide and pro- minent.|