Table 2. Specimen body mass estimates.

Body mass estimates deduced for each sample in kg following the humeral circumference regressions of Campione & Evans (2012).

Specimen	Taxon	Period	Locality	Estimated Body Mass (kg)
XCb Cp4	C. porosus	Recent	Queensland	129.94
AR 22025	C. johnstoni	Recent	Queensland	67.22
AR 22161	C. johnstoni	Recent	Queensland	93.10
QM 56058	Kambara sp.	Eocene	Murgon	83.80
QM 56060	Kambara sp.	Eocene	Murgon	85.71
NTM P907-70	Baru sp.	Miocene	Bullock Creek	130.63
QM F57954	?Mekosuchus sp./ ? Baru sp.	Miocene	Riversleigh	16.46
QM F57955	?Mekosuchus sp./ ? Baru sp	Miocene	Riversleigh	19.29
QM F57953	?Pallimnarchus sp.	Pleistocene	Floraville	47.45