Nihydron warship
A Nihydron warship was a type of warship utilized by the Nihydron species during the late 24th century. 

In an alternate 2374, three Nihydron warships and two Mawasi cruisers aided the  in the destruction of the Krenim weapon ship. In the end, however, two of these vessels were destroyed in the process, when they were hit by the ship's temporal weapon. ()

ja:ニハイドロン軍艦
de:Nihydron-Schiff
Starship classes