Table 2. Two tailed t-tests and Mann Whitney tests between the spinosaurids and the crocodilian species for both size-corrected data and residuals.

Taxon 1	Taxon 2	Raw		Size-corrected
Ix		t	p value	t	p value
Spinosaurus	B. walkeri	–2.76	0.0281*	4.04	0.00494*
Spinosaurus	Gharial	5.73	<0.001	–4.23	0.00387*
Spinosaurus	Alligator	6.03	<0.001	3.42	0.0111*
Spinosaurus	M. cataphractus	5.90	<0.001	–2.92	0.0222*
B. walkeri	Gharial	4.09	0.00463	4.14	0.00437*
B. walkeri	Alligator	4.31	0.00354	3.46	0.0105*
B. walkeri	M. cataphractus	4.23	0.00389	4.06	0.00481*
Iy
Spinosaurus	B. walkeri	z = 2.52	0.0117*	z = 2.52	0.0117*
Spinosaurus	Gharial	0.139	0.893	2.51	0.0402*
Spinosaurus	Alligator	–3.68	0.00781*	3.37	0.012*
Spinosaurus	M. cataphractus	–3.65	0.00816*	2.42	0.0460*
B. walkeri	Gharial	z = 2.52	0.0117*	z = 2.52	0.0117*
B. walkeri	Alligator	z = 2.52	0.0117*	z = 2.38	0.0173*
B. walkeri	M. cataphractus	z = 2.52	0.0117*	z = 2.52	0.0117*
J
Spinosaurus	B. walkeri	2.50	0.0408*	3.24	0.0143*
Spinosaurus	Gharial	–2.93	0.0220*	1.71	0.130
Spinosaurus	Alligator	–5.05	0.00149*	3.37	0.0119*
Spinosaurus	M. cataphractus	–5.02	0.00152*	1.34	0.222
B. walkeri	Gharial	–2.81	0.0261*	–2.94	0.0217*
B. walkeri	Alligator	–3.43	0.0110*	3.10	0.0172*
B. walkeri	M. cataphractus	–3.30	0.0130*	–3.02	0.0193*

Results that shift from significant to non significant after Šidàk test are marked with an asterisk (*).