Extended Data Fig. 6: Additional views of the large sponge UCBL-FSL713604 shown in Fig. 2a.
From: The Cabrières Biota (France) provides insights into Ordovician polar ecosystems
(a) Optical photograph of the entire organism. (b) Close-up view of one side of the organism, from the box in (a). (c) Close-up view of the osculum from the box in (b). (d, e) Close-up views under polarised light showing the skeletal framework, from the corresponding boxes in (c). Scale bars represent 1 cm in (a) and (b), 5 mm in (c), and 1 mm in (d) and (e).
