taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
03A787C3FFC1FFEEFF5C74114387FAEE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764195/files/figure.png	https://doi.org/10.5281/zenodo.14764195	Figure 16. Phylogeny and biogeography of Amiiformes. BEAST maximum clade credibility tree generated from tip-dated phylogenetic analysis using the Fossilized Birth-Death model.Numbers at nodes are posterior support values. Grey bars are 95% highest posterior density intervals for divergence times.Overlain is the favoured biogeographic reconstruction generated using the DIVALIKE model in BioGeoBears. Photograph of Amia calva is by Z. Randall (used with permission).	Figure 16. Phylogeny and biogeography of Amiiformes. BEAST maximum clade credibility tree generated from tip-dated phylogenetic analysis using the Fossilized Birth-Death model.Numbers at nodes are posterior support values. Grey bars are 95% highest posterior density intervals for divergence times.Overlain is the favoured biogeographic reconstruction generated using the DIVALIKE model in BioGeoBears. Photograph of Amia calva is by Z. Randall (used with permission).	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764158/files/figure.png	https://doi.org/10.5281/zenodo.14764158	Figure 1. Locality data of †Amia basiloides. a, Locality and stratigraphic context off the type locality of †A. basiloides, with Carbon County, Montana, highlighted in red.The stratigraphic column was generated by the USGS (cite: Flores R.M., Bader L.R. Fort Union coal in the Powder River Basin, Wyoming and Montana: a synthesis Fort Union Coal Assessment Team, 1999 Resource Assessment of Selected Tertiary Coal Beds and Zones in the Northern Rocky Mountains and Great Plains Region.U.S. Geological Survey Professional Paper 1625-A, Chapter PS, Disc 1, Version 1.0 (1999), pp. PS-1–PS-71; Trippi, M.H., Stricker, G.D., Flores, R.M., Stanton, R.W., Chiehowsky, L.A., and Moore, T.A., 2010, Megascopic lithologic studies of coals in the Powder River basin in Wyoming and in adjacent basins in Wyoming and North Dakota: U.S. Geological Survey Open-File Report 2010–1114, 197 p., available at https://pubs.usgs.gov/of/2010/1114/.) b, Partial reconstruction of skull of †A. basiloides based on the holotype specimen compared with (c) A.calva.	Figure 1. Locality data of †Amia basiloides. a, Locality and stratigraphic context off the type locality of †A. basiloides, with Carbon County, Montana, highlighted in red.The stratigraphic column was generated by the USGS (cite: Flores R.M., Bader L.R. Fort Union coal in the Powder River Basin, Wyoming and Montana: a synthesis Fort Union Coal Assessment Team, 1999 Resource Assessment of Selected Tertiary Coal Beds and Zones in the Northern Rocky Mountains and Great Plains Region.U.S. Geological Survey Professional Paper 1625-A, Chapter PS, Disc 1, Version 1.0 (1999), pp. PS-1–PS-71; Trippi, M.H., Stricker, G.D., Flores, R.M., Stanton, R.W., Chiehowsky, L.A., and Moore, T.A., 2010, Megascopic lithologic studies of coals in the Powder River basin in Wyoming and in adjacent basins in Wyoming and North Dakota: U.S. Geological Survey Open-File Report 2010–1114, 197 p., available at https://pubs.usgs.gov/of/2010/1114/.) b, Partial reconstruction of skull of †A. basiloides based on the holotype specimen compared with (c) A.calva.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764160/files/figure.png	https://doi.org/10.5281/zenodo.14764160	Figure 2. Computed tomography shows diagnostic features of the feeding apparatus in †Amia basiloides. Holotype bones of †A. basiloides: right maxilla-supramaxilla complex in (a) lateral, (b) medial, and (c) ventral views, left ectopterygoid-endopterygoid-dermopalatine complex in (d) lateral, (e) medial, and (f) ventral views, with (g) a close-up of the dermopalatine teeth, median gular in (h) ventral and (i) dorsal views, and left mandible in (j) lateral, (k) ventral, (l) medial, and (m) dorsal views, with (n) a close-up of the dentary anterior tooth row.	Figure 2. Computed tomography shows diagnostic features of the feeding apparatus in †Amia basiloides. Holotype bones of †A. basiloides: right maxilla-supramaxilla complex in (a) lateral, (b) medial, and (c) ventral views, left ectopterygoid-endopterygoid-dermopalatine complex in (d) lateral, (e) medial, and (f) ventral views, with (g) a close-up of the dermopalatine teeth, median gular in (h) ventral and (i) dorsal views, and left mandible in (j) lateral, (k) ventral, (l) medial, and (m) dorsal views, with (n) a close-up of the dentary anterior tooth row.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764162/files/figure.png	https://doi.org/10.5281/zenodo.14764162	Figure 3. Skull roof of †Amia basiloides. Extrascapulars (a, b) in dorsal view.	Figure 3. Skull roof of †Amia basiloides. Extrascapulars (a, b) in dorsal view.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764168/files/figure.png	https://doi.org/10.5281/zenodo.14764168	Figure 4. Skull roof of †Amia basiloides. Main skull roof portion in (a) dorsal and (b) ventral views.	Figure 4. Skull roof of †Amia basiloides. Main skull roof portion in (a) dorsal and (b) ventral views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764170/files/figure.png	https://doi.org/10.5281/zenodo.14764170	Figure 5. Braincase of †Amia basiloides. Braincase in (a) dorsal and (b) ventral views.	Figure 5. Braincase of †Amia basiloides. Braincase in (a) dorsal and (b) ventral views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764172/files/figure.png	https://doi.org/10.5281/zenodo.14764172	Figure 6. Suborbital, infraorbital, and nasal bones of †Amia basiloides. a, Right nasal, (b)?suborbitals, (c) left and right lacrimals, and right (d) and left (e) postinfraorbitals in lateral view.	Figure 6. Suborbital, infraorbital, and nasal bones of †Amia basiloides. a, Right nasal, (b)?suborbitals, (c) left and right lacrimals, and right (d) and left (e) postinfraorbitals in lateral view.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764174/files/figure.png	https://doi.org/10.5281/zenodo.14764174	Figure 7. Maxillae of †Amia basiloides. Right maxilla and supramaxilla in (a) lateral and (b) medial views. Left maxilla in (a) lateral and (b) medial views.	Figure 7. Maxillae of †Amia basiloides. Right maxilla and supramaxilla in (a) lateral and (b) medial views. Left maxilla in (a) lateral and (b) medial views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764176/files/figure.png	https://doi.org/10.5281/zenodo.14764176	Figure 8. Mandibles of †Amia basiloides. Partial right mandible in (a) lateral and (b) medial views. Left mandible in (c) medial and (d) lateral views.	Figure 8. Mandibles of †Amia basiloides. Partial right mandible in (a) lateral and (b) medial views. Left mandible in (c) medial and (d) lateral views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764178/files/figure.png	https://doi.org/10.5281/zenodo.14764178	Figure 9. Palate of †Amia basiloides. Partial right palate in (a) medial and (b) lateral views.Partial left palate in (c) lateral and (d) medial views.	Figure 9. Palate of †Amia basiloides. Partial right palate in (a) medial and (b) lateral views.Partial left palate in (c) lateral and (d) medial views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764180/files/figure.png	https://doi.org/10.5281/zenodo.14764180	Figure 10. Opercular series of †Amia basiloides. Partial right opercular series in (a) lateral view.Partial left opercular series in (b) lateral view.	Figure 10. Opercular series of †Amia basiloides. Partial right opercular series in (a) lateral view.Partial left opercular series in (b) lateral view.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764182/files/figure.png	https://doi.org/10.5281/zenodo.14764182	Figure 11. Gular of †Amia basiloides. Gular of †A. basiloides in (a) compared with the gulars of A. calva (b) and †A. scutata (c), all in ventral view.	Figure 11. Gular of †Amia basiloides. Gular of †A. basiloides in (a) compared with the gulars of A. calva (b) and †A. scutata (c), all in ventral view.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764185/files/figure.png	https://doi.org/10.5281/zenodo.14764185	Figure 12. Gill arches of †Amia basiloides. Ceratohyals in (a) dorsal and (b) ventral views.	Figure 12. Gill arches of †Amia basiloides. Ceratohyals in (a) dorsal and (b) ventral views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764187/files/figure.png	https://doi.org/10.5281/zenodo.14764187	Figure 13. Vertebral column of †Amia basiloides. Partially articulated block of vertebrae of holotype YPM VPPU 16236 in (a) left lateral and (b) right lateral views.Several precaudal vertebrae of holotype YPM VPPU 16236 in anterior (c, d) and posterior (e) views. Referred specimen YPM VPPU 17064 in anterior (f) and posterior (g) views.	Figure 13. Vertebral column of †Amia basiloides. Partially articulated block of vertebrae of holotype YPM VPPU 16236 in (a) left lateral and (b) right lateral views.Several precaudal vertebrae of holotype YPM VPPU 16236 in anterior (c, d) and posterior (e) views. Referred specimen YPM VPPU 17064 in anterior (f) and posterior (g) views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764191/files/figure.png	https://doi.org/10.5281/zenodo.14764191	Figure 14. Shoulder girdle of †Amia basiloides. Right cleithrum (a) in lateral (top) and medial (bottom) views. Left cleithrum (b) in lateral (top) and medial (bottom) views.c, Left supracleithrum in lateral (top) and medial (bottom) views.	Figure 14. Shoulder girdle of †Amia basiloides. Right cleithrum (a) in lateral (top) and medial (bottom) views. Left cleithrum (b) in lateral (top) and medial (bottom) views.c, Left supracleithrum in lateral (top) and medial (bottom) views.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764193/files/figure.png	https://doi.org/10.5281/zenodo.14764193	Figure 15. Phylogenetic position of †Amia basiloides. Amiidae as resolved in the strict consensus topology from the parsimony analysis of the morphological matrix using TNT v.1.5.	Figure 15. Phylogenetic position of †Amia basiloides. Amiidae as resolved in the strict consensus topology from the parsimony analysis of the morphological matrix using TNT v.1.5.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764195/files/figure.png	https://doi.org/10.5281/zenodo.14764195	Figure 16. Phylogeny and biogeography of Amiiformes. BEAST maximum clade credibility tree generated from tip-dated phylogenetic analysis using the Fossilized Birth-Death model.Numbers at nodes are posterior support values. Grey bars are 95% highest posterior density intervals for divergence times.Overlain is the favoured biogeographic reconstruction generated using the DIVALIKE model in BioGeoBears. Photograph of Amia calva is by Z. Randall (used with permission).	Figure 16. Phylogeny and biogeography of Amiiformes. BEAST maximum clade credibility tree generated from tip-dated phylogenetic analysis using the Fossilized Birth-Death model.Numbers at nodes are posterior support values. Grey bars are 95% highest posterior density intervals for divergence times.Overlain is the favoured biogeographic reconstruction generated using the DIVALIKE model in BioGeoBears. Photograph of Amia calva is by Z. Randall (used with permission).	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
03A787C3FFC1FFE2FF417523414DFA7F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/14764197/files/figure.png	https://doi.org/10.5281/zenodo.14764197	Figure 17. Size of †A. basiloides and the evolution of gigantism in Amiiformes.Linear regressions of (a) mandibular and (b) frontal length against standard length for bowfins (Amia). Phenogram (c) of a proxy of body size (log-transformed standard length) along a reduced version of the Bayesian maximum clade credibility tree with only taxa for which standard length values were available for adults, showing the pronounced episodes of size increases at the base of Amia and †Melvius adjacent to either side of the Cretaceous–Paleogene boundary.	Figure 17. Size of †A. basiloides and the evolution of gigantism in Amiiformes.Linear regressions of (a) mandibular and (b) frontal length against standard length for bowfins (Amia). Phenogram (c) of a proxy of body size (log-transformed standard length) along a reduced version of the Bayesian maximum clade credibility tree with only taxa for which standard length values were available for adults, showing the pronounced episodes of size increases at the base of Amia and †Melvius adjacent to either side of the Cretaceous–Paleogene boundary.	2024-04-29	Brownstein, Chase Doran;Near, Tomas J.		Zenodo	biologists	Brownstein, Chase Doran;Near, Tomas J.			
