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Fig. 2 | BMC Evolutionary Biology

Fig. 2

From: A chemosynthetic weed: the tubeworm Sclerolinum contortum is a bipolar, cosmopolitan species

Fig. 2

Broad morphology of Sclerolinum contortum tubes. a Antarctic S. contortum anterior tube sections, arrows indicate position and orientation of the worms’ heads. b Posterior sections of Antarctic S. contortum tubes. c Detail of tube with worm inside it, t – tentacles. d Tubes of S. contortum from Loki’s Castle, GoM and HMMV. e Antarctic S. contortum tube sections showing abnormalities. Scale bars for (a-b, d) are 10 mm, 400 μm for (c) and 5 mm for (e)

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