Branching and damages in Bathypathes thermophila sp. nov. a example of a colony in situ with different branches. Holotype (MNHN-IK-2016-45) b ramification observed in situ c ramification at the middle of the colony with d detail of the ramification. Paratype MUZAC-6665 e primary branch (on the left) and secondary branch (on the right) f example of two pinnules present on the same side of the stem with respect to the alternate pattern g cicatricial nodule on a pinnule h narrowing of the pinnular section possibly due to an injury and a subsequent recovery i spines arranged irregularly over a skeletal scar. Scale bars: 10 cm (a, b); 1 cm (c, e); 1 mm (d, f); 100 µm (g–i).