Fig. 2
From: Variations in preservation of exceptional fossils within concretions
Fossils from the Montceau-les-Mines, Herefordshire, and the Mazon Creek Lagerstätten. A–C Montceau-les-Mines: A Undescribed actinopterygian MNHN.SOT 001568a, B Palaeocaris secretanae (Schram, 1984) MNHN.SOT 024746a, C Palaeocampa anthrax (Meek & Worthen, 1865) MNHN.SOT 003657a. D, E Herefordshire: D Cascolus ravitis (Siveter et al., 2017) OUMNH C.29698, E Aquilonifer spinosus (Briggs et al., 2016) OUMNH C.29695. F–H Mazon Creek (Clements et al., 2019): F Rhabdoderma sp. ROM56774, (G) Aphantomartus pustulatus BMRP2014MCP850, H Platysomus circularis FMNHPF7333. Scale bars represent 1 cm in A, F, G, and H; 5 mm in B and C; 500 µm in D and E; OUMNH numbers are registered at Oxford University Museum of Natural History; MNHN: Museum National d’Histoire Naturelle d’Autun; ROM: Royal Ontario Museum; FMNHPF: Field Museum of Natural History; BMRP: Burpee Museum of Natural History