Table 1.
Distribution of Oceanic land crabs.
Figure 1.
Geograpsus severnsi, holotype male (USNM 539,738).
Scale: 10 mm.
Figure 2.
Right chelae of G. crinipes (top; UF AR 2166), G. grayi (middle UF AR 2381), and G. severnsi (bottom, USNM GS-2).
Scale: 10 mm.
Figure 3.
Geograpsus severnsi, a large major chela (USNM GS-3).
Scale: 10 mm.
Figure 4.
Geograpsus severnsi, male (top; UF IP 168,821) and female (bottom; UF IP 168,822) 4th (and 5th – top) sternites.
Scale: 10 mm.
Figure 5.
Endostome of G. crinipes (top; UF AR 2166), G. grayi (middle UF AR 2381), and G. severnsi (bottom USNM GS-12).
Scale: 2 mm.
Table 2.
Distribution of fossil Geograpsus specimens.
Figure 6.
Claw length (L) vs. height (H) in right (orange diamonds) and left (blue circles) claws of G. severnsi.
Table 3.
Meristics of sternum.
Figure 7.
Claw height (H) vs. length of dorsal claw margin (T) in mm.
Figure 8.
Claw height (H) vs. claw length (L) in mm.
Figure 9.
Palm length (B) vs. fixed finger length (F) in mm.
Figure 10.
Anterior width (TW) vs. height (H) of 4th sternite in mm.
Table 4.
Meristics of Geograpsus species.
Figure 11.
Regression between widths of carapace and posterior width of 4th sternite (BW) in Geograpsus, with estimated carapace widths of G. severnsi plotted on regression obtained from living species.
Figure 12.
Geograpsus crinipes devouring swiftlet, Palau (photo courtesy of Mandy Etpison).
Table 5.
Character states.
Figure 13.
Single most parsimony tree with 10,000 bootstrap replicates for morphological data from all Geograpsus species.
Figure 14.
Measurements taken from chelae and sternites.