TABLE 1. Sample sizes for the species analyzed as a function of dentition type and analysis performed.
Lower Dentition | Upper Dentition | |||
Species | Nº Individuals | Nº Fossil Sites | Nº Individuals | Nº Fossil Sites |
P. brunnea (living) | 23 | - | 20 | - |
P. brunnea (fossil) | 9 | 9 | 2 | 3 |
H. hyaena | 56 | - | 47 | - |
C. crocuta | 69 | - | 35 | - |
'Hyaena' prisca | 10 | 6 | 4 | 4 |
P. brevirostris | 119 | 26 | 44 | 16 |
P. bellax | 1 | 1 | 2 | 2 |
Pl. perrieri (Zanclean) | 4 | 6 | 1 | 2 |
Pl. perrieri (Piac., Gel.) | 29 | 25 | 14 | 13 |
Parahyaena howelli | 5 | 2 | 1 | 1 |
Crocuta spelaea | 105 | 25 | 42 | 20 |
TABLE 2. Principal component loadings and variance explained for the four analyses performed.
PC I | PC II | PC III | PC I | PC II | PC III | |
Lower Dentition (individuals) | Lower Dentition (localities) | |||||
Lp3 | 0.318 | 0.274 | -0.644 | 0.304 | 0.271 | -0.529 |
Wp3 | 0.372 | 0.106 | 0.225 | 0.384 | 0.120 | 0.303 |
Lp4 | 0.373 | 0.430 | -0.355 | 0.350 | 0.418 | -0.511 |
Wp4 | 0.363 | 0.369 | 0.480 | 0.320 | 0.408 | 0.429 |
Lm1 | 0.638 | -0.746 | -0.064 | 0.682 | -0.702 | -0.039 |
Wm1 | 0.287 | 0.192 | 0.418 | 0.264 | 0.278 | 0.426 |
% Var. | 82.2 | 14.0 | 1.5 | 83.3 | 12.7 | 1.4 |
Upper Dentition (individuals) | Upper Dentition (localities) | |||||
LP2 | 0.259 | 0.634 | -0.425 | 0.240 | 0.641 | -0.421 |
WP2 | 0.247 | 0.167 | 0.216 | 0.256 | 0.169 | 0.235 |
LP3 | 0.365 | 0.349 | -0.318 | 0.348 | 0.329 | -0.369 |
WP3 | 0.320 | -0.026 | 0.406 | 0.343 | 0.002 | 0.449 |
LP4 | 0.708 | -0.605 | -0.279 | 0.715 | -0.595 | -0.275 |
WP4 | 0.367 | 0.285 | 0.655 | 0.357 | 0.315 | 0.595 |
% Var. | 89.3 | 6.1 | 1.9 | 87.0 | 7.9 | 2.3 |
TABLE 3. Correlations between the scores on the first two principal components of the lower dentition for the different species analysed. Significant differences at 95% in bold type.
Individuals | Localities | |||||
r (PC I-PC II) | p | N | r (PC I-PC II) | p | N | |
Pa. brunnea | 0.384 | 0.0299 | 32 | 0.419 | 0.0169 | 32 |
Pa. brunnea (fossil) | 0.675 | 0.0457 | 9 | 0.767 | 0.0158 | 9 |
Pa. brunnea (living) | -0.012 | 0.9550 | 23 | 0.064 | 0.7702 | 23 |
Pl. perrieri | 0.753 | 0.0003 | 33 | 0.730 | 0.0000 | 31 |
Pl. perrieri (Zanclean) | 0.951 | 0.0491 | 4 | 0.828 | 0.0419 | 6 |
Pl. perrieri (Piac., Gel.) | 0.313 | 0.0988 | 29 | 0.552 | 0.0042 | 25 |
Pa. howelli | 0.753 | 0.1420 | 5 | - | - | 2 |
P. brevirostris | 0.294 | 0.0010 | 119 | 0.544 | 0.0041 | 26 |
‘H’. prisca | 0.003 | 0.9930 | 10 | -0.100 | 0.8511 | 6 |
H. hyaena | -0.035 | 0.798 | 56 | 0.075 | 0.5826 | 56 |
C. crocuta | -0.318 | 0.008 | 69 | -0.181 | 0.1365 | 69 |
C. spelaea | -0.121 | 0.219 | 105 | -0.136 | 0.5155 | 25 |
TABLE 4. Results of the PERMANOVA comparisons between the different sets analyzed using the scores on the first three principal components of the lower dentition. Values above the main diagonal correspond to localities and those below to individuals.
Pa. brunnea (living) |
Pa brunnea (fossil) |
Pa. howelli | Pl. perrieri (Zanclean) |
Pl. perrieri (Piac., Gel.) |
"H." prisca | |
Pa. brunnea (living) | - | No Rejected | - | No Rejected | 0.0002 | 0.0001 |
Pa brunnea (fossil) | No Rejected | - | - | No Rejected | No Rejected | No Rejected |
Pa. howelli | 0.0001 | No Rejected | - | - | - | - |
Pl. perrieri (Zanclean) | No Rejected | No Rejected | No Rejected | - | 0.0019 | 0.0017 |
Pl. perrieri (Piac., Gel.) | 0.0003 | No Rejected | 0.0001 | 0.004 | - | No Rejected |
"H." prisca | 0.0001 | No Rejected | 0.0004 | 0.001 | No Rejected | - |