. Author manuscript; available in PMC: 2022 Dec 1.

Published in final edited form as: Palaeogeogr Palaeoclimatol Palaeoecol. 2021 Sep 20;583:110644. doi: 10.1016/j.palaeo.2021.110644

Table 2.

Number of Features, Number of New Features, and Percentage of New Features on Molars of Monkeys in Experiment 1 - Biscuits

Monkey	# Items Consumed	Total # Features	# New Features	% New Features	% of new features per item consumed
*Experiment one - Biscuits*

*UC-A Fine-sand crushing* facets**	19
M¹		478	255
M²		360	140
M₁		196	56
TOTALS		1034	451	43.6%	2.29%

*UC-A Fine-sand shearing* facets**	19
M¹		556	138
M¹		1054	124
M₂		293	77
TOTALS		1903	339	17.8%	0.94%

*UC-C Fine-sand crushing* facets**	27
M¹		82	33
M²		296	168
M₁		159	69
M₂		154	68
TOTALS		691	338	48.9%	1.81%

*UC-C Fine-sand shearing* facets**	27
M¹		827	314
M²		843	353
M³		285	78
M₁		228	74
M₂		166	101

TOTALS		2349	920	39.2%	1.45%
*UC-L Coarse-sand crushing* facets**	2
M¹		231	49
M²		218	44
M₁		217	61
M₂		261	29
TOTALS		927	183	19.7%	9.85%

*UC-L Coarse-sand shearing* facets**	2
M¹		540	88
M¹		809	123
M³		371	44
TOTALS		1720	255	14.8%	7.4%