Body size histories of Shungura Formation reptiles in biotic and abiotic environmental context Author Parker, Abigail K. University of Cambridge Department of Zoology and University Museum of Zoology, Downing Pl, CB 2 3 EJ Cambridge (United Kingdom) and University of Helsinki Department of Computer Science, P. O. Box 68, FI- 00014 Helsinki (Finland) abigail. parker @ helsinki. fi (corresponding author) abigail.parker@helsinki.fi Author Boisserie, Jean-Renaud Centre Français des Études Éthiopiennes, CNRS, Ministère de l’Europe et des affaires étrangères, PO BOX 5554 Addis Ababa (Ethiopia) and Laboratoire Paléontologie Évolution Paléoécosystèmes Paléoprimatologie (PALEVOPRIM), CNRS, Université de Poitiers, 6 rue Michel Brunet, F- 86073 Poitiers (France) jean. renaud. boisserie @ univ-poitiers. fr jean.renaud.boisserie@univ-poitiers.fr Author Müller, Johannes Museum für Naturkunde, Leibniz-Institut für Evolutions- und Biodiversitätsforschung, Invalidenstrasse 43, 10115 Berlin (Germany) johannes. mueller @ mfn. berlin johannes.mueller@mfn.berlin Author Brochu, Christopher A. School of Earth, Environment, and Sustainability, University of Iowa, 123 North Capitol St., Iowa City, Iowa, 52242 IA 52242 (United States) chris-brochu @ uiowa. edu chris-brochu@uiowa.edu Author Head, Jason J. University of Cambridge Department of Zoology and University Museum of Zoology, Downing Pl, CB 2 3 EJ Cambridge (United Kingdom) jjh 71 @ cam. ac. uk jjh71@cam.ac.uk text Comptes Rendus Palevol 2026 2026-02-18 25 2 17 42 https://doi.org/10.5852/cr-palevol2026v25a2 journal article 10.5852/cr-palevol2026v25a2 1777-571X 18760444 urn:lsid:zoobank.org:pub:C4B416C1-9383-4CA5-8A9F-3C317C6ED7A7

APPENDIX 3. — Specimen data of Testudines by taxa for specimens with maximum body mass estimates for each member of the Shungura Formation.

Taxon	Shungura Member	Midpoint Age (Ma)	Specimen number	Measurement	Dimension (cm)	Carapace length (cm)	Mass reconstruction (kg)
Trionychidae	Basal	3.672	OMO 80-1974-903	Costal width	4.7	44.3	14.6
	B	3.188	L 729-10005	Costal width	7.4	71.4	27.7
	E	2.356	OMO 57/5-10025	Costal width	4.3	40.2	12.8
	F	2.305	OMO 306-1976-386	Costal width	4.8	45.3	15.0
	upper G	1.986	F 164-NC3	Carapace length	58	58	20.9
Pelomedusidae	B	3.188	OMO 28-1967-960	Carapace length	33.5	33.5	3.54
	C	2.734	OMO 3/1-10038	Length of posterior lobe of plastron	21.8	37.1	4.74
	D	2.457	L 824-13	Carapace length	33.1	33.1	3.42
	E	2.356	OMO 38-1968-3640	Carapace length	35	35	4.01
	F	2.305	L 182-10002	Carapace length	34.5	34.5	3.85
	lower G	2.167	OMO 257-1973-5315	Carapace length	36	36	4.35
	upper G	1.986	F164-10079	Carapace length	27	27	1.91
	L	1.239	OMO 346-10082	Length of posterior lobe of plastron	23	42.2	6.83
Testudinidae	B	3.188	OMO 28-1967-958	Neural length	15.4	80.6	66.1
	C	2.734	L 823-3	Plastron length	103	108.9	151.3
	D	2.457	[measured in field]	Maximum width of acetabulum	6.6	87.9	83.9
	E	2.356	OMO 70-NC1	Carapace length	110	110	155.6
	lower G	2.167	L 626-105	Neural length	16.2	84.8	76.0
	upper G	1.986	F 164-10068	Humerus length	15.4	76.7	57.7
	H	1.84	OMO VE 3-NC1	Carapace length	100	100	119.7