Fig. 2: Sponges, algae and possible hemichordates from the Cabrières Biota.
From: The Cabrières Biota (France) provides insights into Ordovician polar ecosystems
a, A large sponge from the Cabrières Biota, possibly a demosponge (UCBL-FSL713604). b, Sponge (UCBL-FSL713605). c, Same specimen showing clear differentiation between the soft tissues (pink) and the mineralized skeleton (green) under multispectral imaging. d, Thick branching algae (UCBL-FSL713606). e, Thin branching algae (UCBL-FSL713607). f, More complex algae (UCBL-FSL713608). g, Organic tube of an Oesia-like enteropneust hemichordate (=Margaretia; UCBL-FSL713609). Scale bars represent 1 cm in a and f, 5 mm in e, and 3 mm in b–d and g.
