Phylogenetic hypotheses from previous morphological studies. A) Adult osteology . Parenthesized genera no longer recognized. B) Larval development (Myctophinae only) with topology constructed from written considerations by Moser & Ahlstrom  and tribes inferred according to . C) Larval development (Lampanyctinae only) . D) Adult osteology + larval development . E) Unordered multistate parsimony analysis of adult + larval characters including 4 new characters . F) Ordered multistate parsimony reanalysis of all adult and larval characters .