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. 2013 May 10;13:98. doi: 10.1186/1471-2148-13-98

Table 10.

Carapace data used in instar analysis

Specimen Length Width L/W ratio Instar
FMNH PE 6165
 8
 10
 0.80
 α
FMNH PE 6166
 18
 32
 0.56
 γ
FMNH PE 9236
 10
 15
 0.67
 β
FMNH PE 28961
 83
 133
 0.62
 δ4
FMNH PE 61151
 56
 102
 0.55
 δ3
FMNH PE 61154
 45
 74
 0.61
 δ2
FMNH PE 61162
 35
 59
 0.59
 δ1
FMNH PE 61166
 21
 35
 0.60
 γ
FMNH PE 61197
 10
 12
 0.83
 α
FMNH PE 61198
 15
 20
 0.75
 β
YPM 204949
 38
 77
 0.49
 δ2
PU 13854
 19
 37
 0.51
 γ
FMNH PE 5120 30 53 0.57 δ1

Italics represent a carapace width retrieved from extrapolating from half a complete carapace. YPM 204949 and PU 13854 are specimens of Strobilopterus princetonii, and FMNH PE 5120 is the holotype of Strobilopterus richardsoni. All measurements in millimetres.