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Table 3 Hoplitaspis hiawathai prosomal appendage II & III measurements

From: A common arthropod from the Late Ordovician Big Hill Lagerstätte (Michigan) reveals an unexpected ecological diversity within Chasmataspidida

Specimen Appendage Podomeres
Coxa 2 3 4 5 6 7 8
UWGM 1840A III 2/1 2/1 −/− −/− −/− −/− −/− −/−
UWGM 1840B II −/− −/− −/− 1/2 1/1 1/1 −/−
III −/− −/− −/− 2/2 1/1 1/1 −/− −/−
UWGM 1873A II 5/2 4/2 3/2 3/2 2/2 −/− −/−
III 7/3 4/3 4/2 4/2 2/2 2/2 3/2 2/1
UWGM 1875 II −/− −/− −/− 3/3 3/3 2/3 6/1
III −/− −/− 3/2* 3/3 2/2 2/1 3/1 3/1
UWGM 1876 II 4/2 3/2 3/2 −/− −/− −/− −/−
III 5/2* 2/3 2/2 2/2 2/2 1/2 −/− −/−
UWGM 1949 II −/− −/− −/− −/− 1/1 1/1 1/0.5
III −/− −/− −/− −/− −/− 1/1 2/1 2/0.5
UWGM 2044A II 2/1 1/1 1/1 1/1 1/1 −/− −/−
III 2/1 1/1 −/− −/− −/− −/− −/− −/−
UWGM 2046 III 3/1 2/2 2/2 −/− −/− −/− −/− −/−
UWGM 2063A II 3/1 2/1 −/− −/− −/− −/− −/−
III 3/1 2/1 −/− −/− −/− −/− −/− −/−
UWGM 2268 II −/− −/− −/− 2/2 2/2 2/2 2*/1
III −/− −/− −/− 1*/2 2/2 1/2 2*/1 −/−
UWGM 2273A III −/− −/− −/− −/− 1/1 1/1 1/1 2/0.5
UWGM 2273C II 2/1 −/− −/− −/− −/− −/− −/−
III 3/1 2/1 −/− −/− −/− −/− −/− −/−
UWGM 2276 III 4*/1* −/− −/− 4/3 2/2 4/2 3/1 −/−
UWGM 2281 II −/− −/− 1/1 1/1 1/1 1/0.5 −/−
III −/− −/− −/− 1/1 1/1 1/1 1/0.5 −/−
UWGM 2700 II −/− −/− −/− −/− −/− 1*/2 5/1
III −/− −/− −/− −/− 3*/3 2/3 3/1 7/1
  1. Length/width. All measurements in millimetres. Asterisk (*) indicates an incomplete measurement