Form and function of the pelvic girdle of Thalattosuchia and Dyrosauridae (Crocodyliformes) Author Scavezzoni, Isaure Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be isaure.scavezzoni@gmail.com Author Fischer, Valentin Universite de Liège, Evolution and Diversity Dynamics Lab, All. du Six Août 14, 4000 Liège (Belgique) isaure. scavezzoni @ gmail. com v. fischer @ uliege. be v.fischer@uliege.be Author Johnson, Michela M. Department of Palaeontology, Staatliches Museum für Naturkunde Stuttgart, Museum am LÖwentor, Rosenstein 1, 70191 Stuttgart (Germany) michela. johnson @ smns-bw. de michela.johnson@smns-bw.de Author Jouve, Stéphane Sorbonne Universite, BUPMC - Pôle Collections, Tour Zamansky, 15 étage, bureau 1513, 4 place Jussieu, 75252 Paris Cedex 05 (France) stephane. jouve @ sorbonne-universite. fr stephane.jouve@sorbonne-universite.fr text Geodiversitas 2024 2024-05-02 46 6 135 326 https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/g2024v46a6.pdf journal article 295404 10.5252/geodiversitas2024v46a6 9a38af1b-9ef6-4d1a-b7bb-833bfd001838 1638-9395 11106598 urn:lsid:zoobank.org:pub:6ACF6A79-9149-4781-808D-478668673EB6

TABLE 7. — List of measurements in mm of crocodyliformes ilia. Abbreviations: Ha, anterior height; Hv, ventral length; Hd, dorsal length; PST.l, postacetabular process anteroposterior length; PST.h, postacetabular process dorsoventral height; PRE.l, preacetabular process anteroposterior length; PRE.h, preacetabular process dorsoventral height; ACE.h, acetabulum dorsoventral height; ACE.w, acetabulum width at mid-height; GAP.w, base length of acetabular perforation; GAP.h, max height of acetabular perforation; PUB.l, pubic peduncle anteroposterior length; PUB.h, pubic peduncle dorsoventral height; ISC.l, ischial peduncle anteroposterior length; ISC.h, Ischial peduncle dorsoventral height.

	Taxon	Inventory number	Ha	Hv	Hd	PST.l	PST.h	PRE.l	PRE.h	ACE.h	ACE.w	GAP.w	GAP.h	PUB.l	PUB.h	ISC.l	ISC.h
1	Mecistops cataphractus	RBINS 18374	30.22	–	57.96	23.80	22.91	7.51	9.66	26.54	27.58	6.98	2.49	20.28	6.39	17.85	9.69
2	Alligator sinensis	NHMW 37966	38.33	–	66.19	–	–	11.10	22.90	23.57	28.00	8.05	3.45	18.62	10.82	18.43	10.08
3	Caiman crocodilus	NHMW 30900	23.61	–	53.87	–	–	5.46	12.79	23.27	20.69	10.27	2.18	17.27	5.09	18.53	9.83
4	Crocodylus niloticus	NHMW 31.137	50.88	–	93.23	–	–	22.41	32.70	35.61	46.18	5.96	2.91	35.28	9.97	34.57	12.25
	Crocodylus rhombifer	AMNH FARB 16708- 10-25-26	98.39	–	188.00	79.24	88.58	29.25	56.25	87.90	72.73	28.34	4.40	58.96	34.30	57.16	32.00
5
6	Crocodylus rhombifer	AMNH FARB 16688	104.00	–	210.69	86.10	82.54	61.48	26.44	65.91	95.63	14.61	4.39	67.02	29.71	56.97	26.00
7	Mecistops cataphractus	RBINS 18374	30.22	–	57.96	23.80	22.91	7.51	9.66	26.54	27.58	6.98	2.49	20.28	6.39	17.85	9.69
8	Thoracosaurus neocesariensis	NJSM 15437	30.45	–	–	–	23.11	–	–	23.27	24.18	8.53	2.50	–	–	14.88	6.30
9	Acherontisuchus guajiraensis	UF/IGM 38	97.07	–	195.00	–	–	51.40	60.83	82.36	61.32	29.30	20.38	79.11	26.63	47.20	29.01
10	Congosaurus bequaerti	MRAC 1741	87.29	–	155.00	78.86	88.57	40.14	47.30	72.28	63.41	24.01	5.60	–	15.48	–	21.23
11	Dyrosaurus maghribensis	OCP DEK-GE 252	116.46	140.89	197.40	57.93	99.57	38.75	71.18	89.25	108.79	36.92	9.91	53.05	28.82	57.34	38.76
12	Dyrosaurus maghribensis	OCP DEK-GE 255	122.57	139.49	222.33	82.98	102.24	–	–	–	–	42.09	11.49	49.70	–	55.21	–
13	Hyposaurus natator	YPM VP.000985	55.90	–	–	36.57	45.74	18.76	11.01	37.25	37.48	15.63	7.50	26.97	14.40	22.67	18.74
14	Hyposaurus natator	YPM VP.000753	79.88	–	134.00	62.63	60.62	35.16	39.81	40.25	54.60	29.51	13.59	30.50	15.60	29.00	25.56
15	Hyposaurus natator	NJSM 23368	63.65	68.99	102.52	53.13	54.93	14.13	21.27	43.26	39.45	20.11	10.96	37.78	17.28	30.76	23.67
16	Pelagosaurus typus	SMNS 17758	7.46	7.98	10.53	–	–	1.97	1.22	–	–	–	–	–	–	–	–
17	Pelagosaurus typus	SMNS 80065	20.42	23.95	28.02	–	–	6.23	6.77	–	–	–	–	–	–	–	–
18	Pelagosaurus typus	BRLSI M.1417.1	30.92	30.99	–	18.47	23.26	–	11.24	21.57	21.23	6.85	1.73	11.97	8.01	15.43	5.47
19	Pelagosaurus typus	BRLSI M.1421	–	–	–	16.58	19.47	–	–	23.13	25.11	7.45	1.61	–	8.78	14.52	6.06
20	Thalattosuchus superciliosus	SMNS 10116	55.04	49.33	40.66	–	–	12.96	15.66	17.40	20.15	12.79	2.01	18.17	13.09	27.92	18.97
21	Thalattosuchus superciliosus	PMU 35988	53.66	46.83	40.83	0.00	0.00	11.47	6.57	32.40	25.00	10.35	2.24	18.28	–	23.74	18.05
22	Thalattosuchus superciliosus	NHMUK PV R 2054	65.60	55.27	46.94	0.00	0.00	18.93	14.10	25.02	31.94	11.71	2.03	21.61	14.50	28.00	16.68
23	Thalattosuchus superciliosus	NHMUK PV R 2032	59.56	61.13	35.36	0.00	0.00	6.43	8.27	35.45	29.18	5.65	0.77	21.99	–	34.80	20.80
24	Thalattosuchus superciliosus	GLAHM V1005	63.05	50.83	51.62	0.00	0.00	21.20	13.43	33.91	25.52	8.18	0.83	28.18	13.22	23.25	18.55
25	Thalattosuchus superciliosus	GLAHM V1146	54.34	46.26	42.95	0.00	0.00	15.83	9.41	31.38	25.80	6.69	0.71	20.25	8.25	29.94	15.95
26	Cricosaurus suevicus	SMNS9808	27.68	24.91	22.42	–	–	4.80	5.10	10.10	14.42	–	–	14.02	7.00	11.38	8.20
27	Cricosaurus araucanensis	MLP 72-IV-7-1	41.87	35.71	29.27	0.00	0.00	11.94	5.41	13.32	19.44	0.00	0.00	16.51	8.57	20.34	15.01
28	Metriorhynchus brachyrhynchus	NHMUK PV R 4763	56.00	39.90	35.00	0.00	0.00	19.30	9.75	22.60	18.14	2.70	0.40	23.00	13.30	–	18.36
29	Metriorhynchus brachyrhynchus	NHMUK PV R 3804	76.84	67.94	48.04	0.00	0.00	16.58	14.05	37.93	33.90	4.42	0.61	36.32	10.76	32.61	18.27
30	Tyrannoneustes lythrodectikos	GLAHM V1145	66.98	59.35	43.49	0.00	0.00	15.31	12.18	–	–	2.46	0.60	30.60	12.95	25.44	18.50
31	Tyrannoneustes lythrodectikos	GLAHM V972	–	–	41.95	–	–	–	–	34.71	32.28	–	–	–	–	26.58	15.29
32	Suchodus durobrivensis	NHMUK PV R 2618	42.48	38.35	26.83	0.00	0.00	9.43	7.33	21.97	16.92	0.00	0.00	20.47	6.81	18.50	9.01
33	Geosaurus giganteus	NHMUK PV R 1230	26.01	24.72	16.30	0.00	0.00	3.18	3.18	13.00	17.66	–	–	12.20	–	11.37	8.54
34	Dakosaurus maximus	SMNS 8203	–	65.80	–	–	–	–	–	–	–	–	–	35.76	13.40	30.71	–
35	Plagiophthalmosuchus gracilirostris	NHM PV OR 14792	–	–	–	17.21	11.51	–	–	–	–	–	–	–	–	–	–
36	Sericodon jugleri	MJSN SCR010-312	80.99	72.44	93.80	39.43	59.68	24.69	20.82	52.06	50.29	12.87	3.88	28.66	25.10	39.02	15.57
37	Platysuchus multiscrobiculatus	SMNS9930	40.96	–	74.98	24.90	19.20	18.84	12.37	–	32.29	–	–	–	–	–	–
38	Macrospondylus bollensis	SMNS 9428	49.53	48.21	75.15	14.65	26.00	12.80	13.90	–	–	–	–	–	–	–	–
39	Macrospondylus bollensis	SMNS 17484a	43.18	49.83	60.22	16.60	48.30	13.00	11.79	30.76	31.12	–	–	20.50	8.42	27.85	9.75
40	Macrospondylus bollensis	PMU 35980	37.52	60.58	–	–	–	12.43	13.81	22.20	38.24	–	–	–	–	–	–
41	Charitomenosuchus leedsi	NHMUK PV R 3806	74.82	62.45	93.86	46.58	56.03	28.10	16.40	50.26	43.48	7.16	0.96	26.70	14.01	32.64	12.38
42	Proexochokefalos cf. bouchardi	MJSN SCR010-374	88.87	81.12	114.57	41.65	63.93	34.49	37.91	–	–	5.76	1.10	34.23	12.53	48.75	17.23
43	Neosteneosaurus edwardsi	NHMUK PV R 3701	70.13	77.92	97.03	34.52	58.51	22.98	19.27	40.65	44.05	10.88	2.64	32.61	13.72	35.78	16.38
44	Neosteneosaurus edwardsi	NHMUK PV R 3898	148.79	146.08	184.87	68.68	103.56	47.14	37.74	–	–	20.56	2.99	58.97	42.88	–	24.87
45	Neosteneosaurus edwardsi	NHMUK PV R 2076	88.18	88.14	107.28	43.16	72.91	28.70	26.57	59.03	56.45	18.14	2.23	36.01	26.88	43.78	15.44
46	Lemmysuchus obtusidens	NHMUK PV R 3168	109.80	120.34	172.00	73.84	92.68	28.40	23.05	77.83	73.42	26.97	0.00	50.85	17.59	41.63	21.39