Malacichthyes
plural noun
Mal·a·cich·thy·es
ˌmaləˈsikthēˌēz
: a small order of fishes including solely the family Icosteidae and being of uncertain systematic relations though possibly a specialized or degenerate offshoot of Percoidea
Word History
Etymology
New Latin, from malac- + Greek ichthyes (plural of ichthys fish)