Supplement to: Hawkes, Nickolas; Korabik, Michelle; Beazley, Lindsay; Rapp, Hans Tore; Xavier, Joana R; Kenchington, Ellen L (2019): Glass sponge grounds on the Scotian Shelf and their associated biodiversity. Marine Ecology Progress Series, 614, 91-109, https://doi.org/10.3354/meps12903