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Table 3 Pentecopterus decorahensis prosomal appendage II measurements

From: The oldest described eurypterid: a giant Middle Ordovician (Darriwilian) megalograptid from the Winneshiek Lagerstätte of Iowa

Specimen

Appendage II

SUI 139919

(podomere 6): 6, 14a/11.

SUI 139920

(podomeres 3–7): 3, 15a/6a. 4, 15/6a. 5, 23/10. 6, 21/10. 7, 33/7.

SUI 139941

(podomeres 2–5): 2, 15/23. 3, 14/19. 4, 20/18. 5, 10a/7a.

SUI 139965

(podomeres 3–7): 3, 2a/4. 4, 3/4. 5, 3/3. 6, 2/2. 7, 2/1.

SUI 139969

(podomere 1): Coxa, 9a/5.

SUI 139975

(podomeres 1–3): Coxa, 21/25. 2, 9/14. 3, 7a/12.

SUI 139979

(podomere 1): Coxa, 23a/12.

  1. Length/width. All measurements in millimetres. Podomere identity indicated in bold
  2. aindicates an incomplete measurement