Beroe ovata sensu Mayer, 1912 drawing of a specimen from St. Mary’s River, Maryland (modified from Mayer 1912).     
  Part of: Verhaegen G, Cimoli E, Lindsay D (2021) Life beneath the ice: jellyfish and ctenophores from the Ross Sea, Antarctica, with an image-based training set for machine learning. Biodiversity Data Journal 9: e69374.