Download Appendix S1

Measurements of specimens referred to Dorosuchus neoetus
Description of measurement
PIN 1579/61
Right ilium
Anteroposterior length between the tips of the pubic and ischial peduncles
Anteroposterior length between the tips of the pre- and postacetabular processes
Length from tip of postacetabular process to anterior tip of pubic peduncle
Dorsoventral height from the intersection of the ischial and pubic articular facets
ventrally to the dorsal margin of the ilium above the acetabulum
Dorsoventral height of iliac contribution to the acetabulum
Anteroposterior length of iliac contribution to the acetabulum
Anteroposterior length at base of iliac blade
Extension of pubic peduncle anterior to base of iliac blade
Extension of ischial peduncle posterior to base of iliac blade
Right femur
Proximodistal length
Minimum circumference (approximately at midshaft)
Dorsoventral height of shaft at midshaft
Mediolateral width of shaft at midshaft
Mediolateral width of proximal end
Dorsoventral height of proximal end
Mediolateral width of distal end
Dorsoventral height of distal end
Right tibia
Proximodistal length
Minimum circumference (approximately at midshaft)
Dorsoventral height of shaft at midshaft
Mediolateral width of shaft at midshaft
Mediolateral width of proximal end
Dorsoventral height of proximal end
Mediolateral width of distal end
Dorsoventral height of distal end
PIN 1579/62
Braincase
Transverse width of braincase across the paroccipital processes
Anteroposterior length of the braincase from the tip of the rostrum of the
parabasisphenoid as preserved to the posterior margin of the occipital condyle
Height of the braincase from the posteroventral margin of the occipital condyle to
the anterodorsal margin of the supraoccipital
Mediolateral width of the foramen magnum
Dorsoventral height of the foramen magnum
PIN 1579/63
Sacral vertebra
Dorsoventral height from the base of the neural spine as preserved to the ventral
margin of the centrum at its anteroposterior midpoint
Total dorsoventral height as preserved
Transverse width between tips of sacral ribs as preserved
Anteroposterior length of centrum
Dorsoventral height of centrum anteriorly
Transverse width of centrum anteriorly
Dorsoventral height of centrum posteriorly
Measurement
(mm)
37.0
55.7
69.7
45.9
25.9
25.0
25.0
17.0
4.5
98.3
33.0
8.0
12.0
26.0
13.0
27.0
18.0
72.6
23.0
8.0
6.0
19.0
24.0
12.0
17.0
54.7
23.8
28.8
9.0
6.8
19.4
22.8
30.7
15.5
13.0
15.3
12.3
Transverse width of centrum posteriorly
Dorsoventral height of neural canal
Mediolateral width of neural canal
Transverse width between tips of prezygapophyses
PIN 1579/64
Proximal caudal vertebrae
More anterior vertebra
Anteroposterior length of centrum
Transverse width of centrum anteriorly
Transverse width of centrum at anteroposterior midpoint
Transverse width of centrum posteriorly
Dorsoventral height of centrum anteriorly
Dorsoventral height of centrum posteriorly
Projection of prezygapophyses anterior to the centrum
Projection of postzygapophyses posterior to the centrum
Anteroposterior length between tips of pre- and postzygapophyses as preserved
Transverse width between tips of prezygapophyses
Transverse width between tips of postzygapophyses
Transverse width of median post spinal fossa
Dorsoventral height of median post spinal fossa
Transverse width of neural canal
Dorsoventral height of neural canal
Dorsoventral height of vertebra from top of neural spine to bottom of centrum
anteriorly
Dorsoventral height of neural spine as preserved
Anteroposterior length of neural spine at base
Transverse width of width of neural spine at base
Transverse width between tips of ribs as preserved
More posterior vertebra
Anteroposterior length of centrum
Transverse width of centrum at anteriorly
Transverse width of centrum at anteroposterior midpoint
Transverse width of centrum at posteriorly
Dorsoventral height of centrum anteriorly
Dorsoventral height of centrum posteriorly
Projection of prezygapophyses anterior to the centrum
Projection of postzygapophyses posterior to the centrum
Anteroposterior length between tips of pre- and postzygapophyses as preserved
Transverse width between tips of prezygapophyses
Transverse width between tips of postzygapophyses as preserved
Transverse width of median post spinal fossa
Dorsoventral height of median post spinal fossa
Transverse width of neural canal
Dorsoventral height of neural canal
Dorsoventral height of vertebra from top of neural spine to bottom of centrum
anteriorly
Dorsoventral height of neural spine as preserved
Anteroposterior length of neural spine at base
Transverse width of width of neural spine at base
Transverse width between tips of ribs as preserved
PIN 1579/65
Caudal centrum
Anteroposterior length of centrum
13.6
5.1
6.0
14.0
14.8
9.6
5.4
9.3
10.8
9.9
1.0
2.1
17.2
8.4
7.9
2.7
4.5
5.6
3.6
24.5
8.3
7.9
3.1
14.6
14.8
9.7
4.8
9.1
10.5
11.1
1.8
Not preserved
16.0
9.4
5.9
1.6
4.8
5.6
3.6
28.5
9.0
6.6
3.0
13.1
10.1
Transverse width of centrum at anterior end
Transverse width of centrum at anteroposterior midpoint
Transverse width of centrum at posterior end
Dorsoventral height of centrum anteriorly
Dorsoventral height of centrum at anteroposterior midpoint
Dorsoventral height of centrum posteriorly
Transverse width of neural canal anteriorly
Transverse width of neural canal at anteroposterior midpoint
Transverse width of neural canal posteriorly
Dorsoventral depth of neural canal anteriorly
Dorsoventral depth of neural canal at anteroposterior midpoint as preserved
Dorsoventral depth of neural canal posteriorly
Transverse width of wall of neural canal anteriorly
Transverse width of wall of neural canal at anteroposterior midpoint
Transverse width of wall of neural canal posteriorly
PIN 1579/66
Ilia
Right ilium
Anteroposterior length between tips of peduncles
Dorsoventral height from the intersection of the ischial and pubic facets to the top
of the crest of the ilium as preserved
Anteroposterior length from the anterior of the pubic peduncle to the posterior of
the iliac crest
Left ilium
Anteroposterior length between tips of peduncles as preserved
Dorsoventral height from the intersection of the ischial and pubic facets to the top
of the crest of the ilium as preserved
Anteroposterior length from the anterior of the pubic peduncle to the posterior of
the iliac crest as preserved
PIN 1579/68
Phalanx
Proximodistal length
Transverse width distally
Transverse width at midshaft
Transverse width proximally
Dorsoventral depth distally
Dorsoventral depth at midshaft
Dorsoventral depth proximally
PIN 952/200
Ilium
Anteroposterior length between tips of peduncles
Dorsoventral height of acetabulum
Anteroposterior length of acetabulum
Dorsoventral height from intersection of articular surfaces for pubic and ischium
to top of iliac blade as preserved
PIN 1579/69
Left pterygoid
Anteroposterior length of palatal ramus at midline as preserved
Length of posterolateral ramus from midline to posterolateral tip
Distance between tip of palatal and posterolateral ramus as preserved
Anteroposterior length of quadrate ramus
Maximum mediolateral width of quadrate ramus
Height of lateral wall as preserved
5.9
3.7
6.2
7.3
5.0
6.9
2.4
2.2
3.4
5.7
2.5
4.4
2.2
2.5
1.7
23.6
21.8
42.6
18.5
18.6
30.1
10.3
7.8
7.1
10.8
5.0
3.7
6.3
23.0
15.0
15.0
24.0
28.2
35.5
38.8
22.0
5.1
9.4
Height of medial wall as preserved
Anteroposterior length of facet for basipterygoid process
Maximum mediolateral width of facet for basipterygoid process
PIN 1579/70
Left posterior mandible
Anteroposterior length as preserved
Maximum dorsoventral depth
Width of jaw ramus immediately anterior to cotyles
Articular and surangular
Mediolateral width of cotyles
Anteroposterior length of cotyles
Articular
Anteroposterior length of postcotylar fossa
Width from the lateral margin of the retroarticular process to the tip of the
dorsomedial projection
Anteroposterior length of tip of the dorsomedial projection
Dorsoventral height tip of the dorsomedial projection
Mediolateral width of ventromedially directed process
Dorsoventral height of ventromedially directed process
Anteroposterior length of ventromedially directed process
Surangular
Anteroposterior length as preserved
Dorsoventral depth at deepest point (anterior margin of the cotyle fossa)
Maximum transverse width
Maximum dorsoventral height of lip along dorsal rim of lateral surface
Maximum dorsoventral height of lip along dorsal rim of medial surface
Projection of fan-like sheet medially from the medial margin of the posteromedial
corner of the main ramus of the surangular
Projection of fan-like sheet ventrally from the medial margin of the posteromedial
corner of the main ramus of the surangular
Angular
Anteroposterior length as preserved
Dorsoventral height as preserved
3.2
12.1
6.7
80.2
22.0
10.0
24.8
11.8
7.0
11.3
4.4
3.0
14.5
16.0
5.0
76.5
16.9
10.2
5.7
5.9
9.8
8.7
35.3
8.1