Extended Data Fig. 1: Some samples of Siboglinidae collected during cruise.
From: Flourishing chemosynthetic life at the greatest depths of hadal trenches
a, FDZ 271, short tubeworms cf. Spirobrachia (from the Deepest seep field). b, FDZ 294, mix of ultra slender & long wide tubeworms (from Blue Marsh, Icy River). c, FDZ 295, beard of ultra slender tubeworms (from Blue Marsh, Icy River). Scale bars=20 mm.
