taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417246/files/figure.png	https://doi.org/10.5281/zenodo.4417246	FIGURE 2. Holotype of Alligator hailensis (UF 224688) skull shown in dorsal view with interpretive line drawing below. Abbreviations are angular (a), dentary (d), frontal (f), jugal (j), lacrimal (l), maxilla (m), nasal (n), parietal (p), postorbital (po), prefrontal (pf), premaxilla (pm), quadrate (q), quadratojugal (qj), squamosal (sq), and surangular (sa). Scale = 4 cm.	FIGURE 2. Holotype of Alligator hailensis (UF 224688) skull shown in dorsal view with interpretive line drawing below. Abbreviations are angular (a), dentary (d), frontal (f), jugal (j), lacrimal (l), maxilla (m), nasal (n), parietal (p), postorbital (po), prefrontal (pf), premaxilla (pm), quadrate (q), quadratojugal (qj), squamosal (sq), and surangular (sa). Scale = 4 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417248/files/figure.png	https://doi.org/10.5281/zenodo.4417248	FIGURE 3. Posterior skull fragment of Alligator hailensis in dorsal view (UF 294863). Abbreviations are frontal (f), jugal (j), lacrimal (l), parietal (p), postorbital (po), prefrontal (pf), squamosal (sq), and supratemporal fenestra (STF). Scale = 2 cm.	FIGURE 3. Posterior skull fragment of Alligator hailensis in dorsal view (UF 294863). Abbreviations are frontal (f), jugal (j), lacrimal (l), parietal (p), postorbital (po), prefrontal (pf), squamosal (sq), and supratemporal fenestra (STF). Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417250/files/figure.png	https://doi.org/10.5281/zenodo.4417250	FIGURE 4. Ventral view of the Alligator hailensis holotype (UF 224688) skull during laboratory preparation. Inset enlargement and drawing shows suture between left palatine and pterygoid. Abbreviations are: palatine (pal), pterygoid (pt), and suborbital fenestra (SOF). Scale = 2 cm.	FIGURE 4. Ventral view of the Alligator hailensis holotype (UF 224688) skull during laboratory preparation. Inset enlargement and drawing shows suture between left palatine and pterygoid. Abbreviations are: palatine (pal), pterygoid (pt), and suborbital fenestra (SOF). Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417252/files/figure.png	https://doi.org/10.5281/zenodo.4417252	FIGURE 5. Occipital region of Alligator hailensis holotype (UF 224688) in posterior view (top) and line drawing (bottom). Abbreviations are: basioccipital (bo), exoccipital (eo), foramen magnum (FM), parietal (p), posttemporal fenestra (PTF), squamosal (sq), and supraoccipital (so). Scale = 2 cm.	FIGURE 5. Occipital region of Alligator hailensis holotype (UF 224688) in posterior view (top) and line drawing (bottom). Abbreviations are: basioccipital (bo), exoccipital (eo), foramen magnum (FM), parietal (p), posttemporal fenestra (PTF), squamosal (sq), and supraoccipital (so). Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417256/files/figure.png	https://doi.org/10.5281/zenodo.4417256	FIGURE 6. Comparison of anterior portion of splenial in lingual view. (A.) Alligator mississippiensis (ETMNH-Z 265) showing absence of anterior foramen intermandibularis oralis (FIO, splenial outlined in red), (B.) A. sinensis (ETMNH-Z 6953) with anterior FIO present (splenial outlined in red), and (C.) A. hailensis (UF 162533) showing autapomorphic incompletely closed anterior FIO (preserved portion of splenial outlined in white). Scale in each = 2 cm.	FIGURE 6. Comparison of anterior portion of splenial in lingual view. (A.) Alligator mississippiensis (ETMNH-Z 265) showing absence of anterior foramen intermandibularis oralis (FIO, splenial outlined in red), (B.) A. sinensis (ETMNH-Z 6953) with anterior FIO present (splenial outlined in red), and (C.) A. hailensis (UF 162533) showing autapomorphic incompletely closed anterior FIO (preserved portion of splenial outlined in white). Scale in each = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417258/files/figure.png	https://doi.org/10.5281/zenodo.4417258	FIGURE 7. Occlusal view of left Alligator lower jaws showing the role of the splenial in lingual alveolar support. Alligator hailensis (UF 162517), top, shows extensive splenial support of the posterior toothrow, more than seven posterior alveoli (splenial outlined in white). The dentary alone provides most of the lingual toothrow in the derived condition seen in A. mississippiensis (ETMNH-Z 265), five posterior alveoli or less, bottom. Abbreviations are: dentary (d) and splenial (spl). Numbers refer to alveoli (counted from posterior to anterior). Scale = 2 cm.	FIGURE 7. Occlusal view of left Alligator lower jaws showing the role of the splenial in lingual alveolar support. Alligator hailensis (UF 162517), top, shows extensive splenial support of the posterior toothrow, more than seven posterior alveoli (splenial outlined in white). The dentary alone provides most of the lingual toothrow in the derived condition seen in A. mississippiensis (ETMNH-Z 265), five posterior alveoli or less, bottom. Abbreviations are: dentary (d) and splenial (spl). Numbers refer to alveoli (counted from posterior to anterior). Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417260/files/figure.png	https://doi.org/10.5281/zenodo.4417260	FIGURE 8. Representative thoracic vertebra of the Alligator hailensis holotype (UF 224688) in (clockwise from top left) anterior, posterior, right lateral, and left lateral views. Scale = 2 cm.	FIGURE 8. Representative thoracic vertebra of the Alligator hailensis holotype (UF 224688) in (clockwise from top left) anterior, posterior, right lateral, and left lateral views. Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417262/files/figure.png	https://doi.org/10.5281/zenodo.4417262	FIGURE 9. Dorsal osteoderms of the Alligator hailensis holotype (UF 224688). Scale = 2 cm.	FIGURE 9. Dorsal osteoderms of the Alligator hailensis holotype (UF 224688). Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417267/files/figure.png	https://doi.org/10.5281/zenodo.4417267	FIGURE 10. Appendicular elements of the Alligator hailensis holotype (UF 224688). (A.) Proximal portion of right humerus in posterior view. (B.) Anterior portion of left ilium in lateral view. (C.) Right and left femora in posterodorsal view. (D.) Left tibia in posterior view. (E.) Left metatarsal I and III, and right metatarsal I, all in dorsal view. (F.) Left calcaneum and astragalus, lateral view. (G.) Unguals of the manus, lateral view. Scale in each = 2 cm.	FIGURE 10. Appendicular elements of the Alligator hailensis holotype (UF 224688). (A.) Proximal portion of right humerus in posterior view. (B.) Anterior portion of left ilium in lateral view. (C.) Right and left femora in posterodorsal view. (D.) Left tibia in posterior view. (E.) Left metatarsal I and III, and right metatarsal I, all in dorsal view. (F.) Left calcaneum and astragalus, lateral view. (G.) Unguals of the manus, lateral view. Scale in each = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
B8086A1AFFBEFF91FF2FFA38D41EFE3C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/4417269/files/figure.png	https://doi.org/10.5281/zenodo.4417269	FIGURE 11. Coprolites from Haile 7C (right, UF 162527, and top left, UF 162528) and Haile 7G (left middle, UF 310185, and left bottom, UF 310180) attributed to Alligator hailensis. Scale = 2 cm.	FIGURE 11. Coprolites from Haile 7C (right, UF 162527, and top left, UF 162528) and Haile 7G (left middle, UF 310185, and left bottom, UF 310180) attributed to Alligator hailensis. Scale = 2 cm.	2020-10-23	Stout, Jeremy B.		Zenodo	biologists	Stout, Jeremy B.			
