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Table 10 Carapace data used in instar analysis

From: Babes in the wood – a unique window into sea scorpion ontogeny

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

  1. 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.