Robuta

https://www.marinespecies.org/copepoda/aphia.php?p=taxdetails&id=364399

The World of Copepods - Monstrilla thompsoni (Giesbrecht, 1893)

world copepods monstrilla giesbrecht

https://www.marinespecies.org/copepoda/aphia.php?p=taxdetails&id=353551

The World of Copepods - Monstrilla ostroumovi Karavaev, 1895

world copepods monstrilla karavaev