Aquatic Invasions (2021) Volume 16, Issue 2: 208–252 CORRECTED PROOF Research Article Additions to the hydroids (Cnidaria, Hydrozoa) of marine fouling communities on the mainland of Ecuador and in the Galapagos Islands Dale R. Calder1,2,*, James T. Carlton3, Inti Keith4, Kristen Larson5, Linda McCann5, Jonathan Geller6, Melinda Wheelock6, Henry H.C. Choong7,8 and Gregory M. Ruiz4 1Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, Ontario, Canada M5S 2C6 2Research Associate, Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, Canada V8W 9W2 3Williams College-Mystic Seaport Maritime Studies Program, Mystic, Connecticut 06355, USA 4Charles Darwin Research Station, Charles Darwin Foundation, Santa Cruz, Galapagos, Ecuador 5Smithsonian Environmental Research Station, 647 Contees Wharf Road, Edgewater, Maryland 21037, USA 6Moss Landing Marine Laboratories, 8272 Moss Landing Road, Moss Landing, California 95039, USA 7Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, Canada V8W 9W2 8Research Associate, Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, Ontario, Canada M5S 2C6 Author e-mails:
[email protected] (DRC),
[email protected] (JTC),
[email protected] (IK),
[email protected] (KL),
[email protected] (LM),
[email protected] (JG),
[email protected] (ML),
[email protected] (HHCC),
[email protected] (GMR) *Corresponding author Citation: Calder DR, Carlton JT, Keith I, Larson K, McCann L, Geller J, Wheelock M, Abstract Choong HHC, Ruiz GM (2021) Additions to the hydroids (Cnidaria, Hydrozoa) of Hydroids were examined from surveys of marine fouling communities undertaken marine fouling communities on the mainland during 2018 in Ecuador.