taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
B10287DEFF99B056FE6DFCECFB49F8CD.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369856/files/figure.png	https://doi.org/10.5281/zenodo.5369856	FIGURE 2. Balnibarbi erugata Fortey, 1974, close-ups. A. Balnibarbi erugata erugata, holotype cranidium, PMO-NF-3016. Note exfoliation of frontal area and glabella. Arrow points to terrace lines on anterior border that are expressed on both the external surface and internal mold. B. Anterior border of Balnibarbi erugata erugata, CAMSM F3976, showing faint caeca and very fine granulation on frontal area near anterior border furrow and terrace lines on border. C. Posterior border furrow on Balnibarbi erugata erugata, CAMSM F3976, showing very fine granulation. D. Occipital ring of Balnibarbi erugata erugata, PMO-NF-695, showing very fine granulation on glabella. E. Balnibarbi erugata erugata PMO-NF-772. Arrows point to select pits in anterior border furrow; specimen is exfoliated. F. Balnibarbi erugata sombrero, PMO-NF-2054. Arrows point to select pits in anterior border furrow on exfoliated surface. Scale bars = 1 mm.	FIGURE 2. Balnibarbi erugata Fortey, 1974, close-ups. A. Balnibarbi erugata erugata, holotype cranidium, PMO-NF-3016. Note exfoliation of frontal area and glabella. Arrow points to terrace lines on anterior border that are expressed on both the external surface and internal mold. B. Anterior border of Balnibarbi erugata erugata, CAMSM F3976, showing faint caeca and very fine granulation on frontal area near anterior border furrow and terrace lines on border. C. Posterior border furrow on Balnibarbi erugata erugata, CAMSM F3976, showing very fine granulation. D. Occipital ring of Balnibarbi erugata erugata, PMO-NF-695, showing very fine granulation on glabella. E. Balnibarbi erugata erugata PMO-NF-772. Arrows point to select pits in anterior border furrow; specimen is exfoliated. F. Balnibarbi erugata sombrero, PMO-NF-2054. Arrows point to select pits in anterior border furrow on exfoliated surface. Scale bars = 1 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF9BB054FE5DFD4FFB9AFB72.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369856/files/figure.png	https://doi.org/10.5281/zenodo.5369856	FIGURE 2. Balnibarbi erugata Fortey, 1974, close-ups. A. Balnibarbi erugata erugata, holotype cranidium, PMO-NF-3016. Note exfoliation of frontal area and glabella. Arrow points to terrace lines on anterior border that are expressed on both the external surface and internal mold. B. Anterior border of Balnibarbi erugata erugata, CAMSM F3976, showing faint caeca and very fine granulation on frontal area near anterior border furrow and terrace lines on border. C. Posterior border furrow on Balnibarbi erugata erugata, CAMSM F3976, showing very fine granulation. D. Occipital ring of Balnibarbi erugata erugata, PMO-NF-695, showing very fine granulation on glabella. E. Balnibarbi erugata erugata PMO-NF-772. Arrows point to select pits in anterior border furrow; specimen is exfoliated. F. Balnibarbi erugata sombrero, PMO-NF-2054. Arrows point to select pits in anterior border furrow on exfoliated surface. Scale bars = 1 mm.	FIGURE 2. Balnibarbi erugata Fortey, 1974, close-ups. A. Balnibarbi erugata erugata, holotype cranidium, PMO-NF-3016. Note exfoliation of frontal area and glabella. Arrow points to terrace lines on anterior border that are expressed on both the external surface and internal mold. B. Anterior border of Balnibarbi erugata erugata, CAMSM F3976, showing faint caeca and very fine granulation on frontal area near anterior border furrow and terrace lines on border. C. Posterior border furrow on Balnibarbi erugata erugata, CAMSM F3976, showing very fine granulation. D. Occipital ring of Balnibarbi erugata erugata, PMO-NF-695, showing very fine granulation on glabella. E. Balnibarbi erugata erugata PMO-NF-772. Arrows point to select pits in anterior border furrow; specimen is exfoliated. F. Balnibarbi erugata sombrero, PMO-NF-2054. Arrows point to select pits in anterior border furrow on exfoliated surface. Scale bars = 1 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF9BB054FE29FAE7FBB9F91D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369856/files/figure.png	https://doi.org/10.5281/zenodo.5369856	FIGURE 2. Balnibarbi erugata Fortey, 1974, close-ups. A. Balnibarbi erugata erugata, holotype cranidium, PMO-NF-3016. Note exfoliation of frontal area and glabella. Arrow points to terrace lines on anterior border that are expressed on both the external surface and internal mold. B. Anterior border of Balnibarbi erugata erugata, CAMSM F3976, showing faint caeca and very fine granulation on frontal area near anterior border furrow and terrace lines on border. C. Posterior border furrow on Balnibarbi erugata erugata, CAMSM F3976, showing very fine granulation. D. Occipital ring of Balnibarbi erugata erugata, PMO-NF-695, showing very fine granulation on glabella. E. Balnibarbi erugata erugata PMO-NF-772. Arrows point to select pits in anterior border furrow; specimen is exfoliated. F. Balnibarbi erugata sombrero, PMO-NF-2054. Arrows point to select pits in anterior border furrow on exfoliated surface. Scale bars = 1 mm.	FIGURE 2. Balnibarbi erugata Fortey, 1974, close-ups. A. Balnibarbi erugata erugata, holotype cranidium, PMO-NF-3016. Note exfoliation of frontal area and glabella. Arrow points to terrace lines on anterior border that are expressed on both the external surface and internal mold. B. Anterior border of Balnibarbi erugata erugata, CAMSM F3976, showing faint caeca and very fine granulation on frontal area near anterior border furrow and terrace lines on border. C. Posterior border furrow on Balnibarbi erugata erugata, CAMSM F3976, showing very fine granulation. D. Occipital ring of Balnibarbi erugata erugata, PMO-NF-695, showing very fine granulation on glabella. E. Balnibarbi erugata erugata PMO-NF-772. Arrows point to select pits in anterior border furrow; specimen is exfoliated. F. Balnibarbi erugata sombrero, PMO-NF-2054. Arrows point to select pits in anterior border furrow on exfoliated surface. Scale bars = 1 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF97B058FE6EFD09FCE2F934.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369862/files/figure.png	https://doi.org/10.5281/zenodo.5369862	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF90B05FFE2EFCECFD43FAF0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369862/files/figure.png	https://doi.org/10.5281/zenodo.5369862	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF90B05FFE4DFF11FCB6FD0A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369862/files/figure.png	https://doi.org/10.5281/zenodo.5369862	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF95B05AFE79FB37FB4EF938.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369862/files/figure.png	https://doi.org/10.5281/zenodo.5369862	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	FIGURE 4. Cloacaspis spp. A. Cloacaspis ekphymosa Fortey, 1974, USNM 144232. Collected from the Lost River Area on Seward Peninsula, Alaska, and previously identified as Triarthrus sp. (Ross, 1965). Arrow pointing to postpalpebral furrow. B. Anterior border of Cloacaspis ceryx anataphra (Fortey, 1974), AMNH- FI-101655. Black arrows pointing to faint anterior border pits on internal mold. C. Cloacaspis ceryx anataphra (Fortey, 1974), AMNH-FI-101655. Collected from PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). D) Cloacaspis ceryx ceryx (Fortey, 1974), AMNH-FI-101657. Close-up of E, anterior glabellar lobe and F,posterior wing, showing presence of fine granulation of recently prepared surface (white arrow) and lack of granulation on exposed and slightly eroded surface (black arrow). Collected from bed PO-18 of the Olenidsletta Member of the Valhallfonna Formation (Kröger et al., 2017). Scale bars = 1 mm except A and D, where scale bar = 5 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF90B05FFE30FA97FB81F930.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369864/files/figure.png	https://doi.org/10.5281/zenodo.5369864	FIGURE 5. Cloacaspis tesselata Fortey and Droser, 1999, specimens from Little Rawhide Mountain, Nevada. A. Librigena, AMNH-FI-115819. Specimen oriented relative to cranidium shown in B. B. Cranidium, AMNH- FI-115818. C. Librigena, AMNH-FI-115820. D. Paratype librigena, USNM 495690. Close-ups of B: E, posterior wing showing anastomizing lines along dorsal suture and glabella (white arrows) and curvature of distal part of posterior furrow (black arrow); and F, glabellar lobe L1, showing anastomizing lines and very fine granulation. G. Cranidium, AMNH-FI-115807. H. Cranidium, AMNH-FI-115808. All specimens except paratype collected by author in 2015. Scale bar = 1 mm.	FIGURE 5. Cloacaspis tesselata Fortey and Droser, 1999, specimens from Little Rawhide Mountain, Nevada. A. Librigena, AMNH-FI-115819. Specimen oriented relative to cranidium shown in B. B. Cranidium, AMNH- FI-115818. C. Librigena, AMNH-FI-115820. D. Paratype librigena, USNM 495690. Close-ups of B: E, posterior wing showing anastomizing lines along dorsal suture and glabella (white arrows) and curvature of distal part of posterior furrow (black arrow); and F, glabellar lobe L1, showing anastomizing lines and very fine granulation. G. Cranidium, AMNH-FI-115807. H. Cranidium, AMNH-FI-115808. All specimens except paratype collected by author in 2015. Scale bar = 1 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF90B05FFE30FA97FB81F930.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369866/files/figure.png	https://doi.org/10.5281/zenodo.5369866	FIGURE 6. Cloacaspis tesselata Fortey and Droser, 1999, specimens from Ike’s Canyon, Nevada. A. External mold of cranidium, USNM 720100. From USGS-D2219. B. Latex mold of cranidium, AMNH-FI-115823, cast from USNM 720100 (see A). C. Cranidium, AMNH-FI-115825. Found in Columbia University collections. D. Cranidium, AMNH-FI-115824. Found in Columbia University collections. E. Cranidium and thorax, USNM 720101. From USGS D2282-CO. Scale bar = 1 mm.	FIGURE 6. Cloacaspis tesselata Fortey and Droser, 1999, specimens from Ike’s Canyon, Nevada. A. External mold of cranidium, USNM 720100. From USGS-D2219. B. Latex mold of cranidium, AMNH-FI-115823, cast from USNM 720100 (see A). C. Cranidium, AMNH-FI-115825. Found in Columbia University collections. D. Cranidium, AMNH-FI-115824. Found in Columbia University collections. E. Cranidium and thorax, USNM 720101. From USGS D2282-CO. Scale bar = 1 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
B10287DEFF90B05FFE30FA97FB81F930.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/5369868/files/figure.png	https://doi.org/10.5281/zenodo.5369868	FIGURE 7. Cloacaspis tesselata? Fortey and Droser, 1999, specimens from Ike’s Canyon, Nevada. A. Dorsal view of fused librigena, USNM 720102 (part). From USGS-D2217. B. Ventral view of fused librigena, USNM 720102 (counterpart). C. Close-up of anterior part of librigena USNM 720102 (counterpart), showing fusion and triangular projection. D. Close-up of advanced genal spine on librigena USNM 720102 (part). E. Pygidium, USNM 720103. From USGS D2217. F. Lateral view of pygidium, USNM 720103. Scale bar = 1 mm, except for A and B, where scale bar = 5 mm.	FIGURE 7. Cloacaspis tesselata? Fortey and Droser, 1999, specimens from Ike’s Canyon, Nevada. A. Dorsal view of fused librigena, USNM 720102 (part). From USGS-D2217. B. Ventral view of fused librigena, USNM 720102 (counterpart). C. Close-up of anterior part of librigena USNM 720102 (counterpart), showing fusion and triangular projection. D. Close-up of advanced genal spine on librigena USNM 720102 (part). E. Pygidium, USNM 720103. From USGS D2217. F. Lateral view of pygidium, USNM 720103. Scale bar = 1 mm, except for A and B, where scale bar = 5 mm.	2019-05-07	Hopkins, Melanie J.		Zenodo	biologists	Hopkins, Melanie J.			
