Extended Data Fig. 3: Palaeozoic sponges and candidate sponges with skeletons organized in hierarchical latticework. | Nature

Extended Data Fig. 3: Palaeozoic sponges and candidate sponges with skeletons organized in hierarchical latticework.

From: A late-Ediacaran crown-group sponge animal

Extended Data Fig. 3: Palaeozoic sponges and candidate sponges with skeletons organized in hierarchical latticework.

a, Pyritized protospongiid Diagoniella, NIGP-155870, from the Mantou Formation of Henan Province, Wuliuan Stage (Cambrian)80. b, Magnification of box in a. Box in b marks dislocated spicules. c. Devonian Hydnoceras, PRI 76741 (Digital Atlas of Ancient Life of the Paleontological Research Institution, Ithaca, New York81; license CC0 1.0), showing helically arranged skeletal tracts. d, Hydnoceras, NIGP-201942, from the Upper Devonian Chemung Formation of New York. e, Magnification of the box in d, showing impressions of spicules. f, Devonian sponge-like fossil Pontagrossia50, from the Ponta Grossa Formation of Paraná State (image provided by Artur Chahud and Thomas Fairchild). Scale bars, 1 mm (a, b), 40 mm (c), 20 mm (d), 10 mm (e), 5 mm (f).

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