Aulopiformes

Aulopiformes: Second pharyngobranchial greatly elongated posterolaterally, extending away from third pharyngobranchial, with elongated uncinate process of second epibranchial contacting third pharyngobranchial, and third pharyngobranchial lacking cartilaginous condyle for articulation of second epibranchial.
 * See Fishbase.

Families in this order:
 * Alepisauridae
 * Anotopteridae
 * Aulopidae
 * Bathysauridae
 * Bathysauroididae
 * Bathysauropsidae
 * Chlorophthalmidae
 * Evermannellidae
 * Giganturidae
 * Ipnopidae
 * Notosudidae
 * Omosudidae
 * Paralepididae
 * Paraulopidae
 * Pseudotrichonotidae
 * Scopelarchidae
 * Synodontidae