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Table 5 Pentecopterus decorahensis prosomal appendage IV measurements

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

Specimen Appendage IV
SUI 139926 (podomeres 5–8): 5, 11/11. 6, 10/10. 7, 10/8. 8, 21/5.
SUI 139927 (podomere 8): 8, 21/5.
SUI 139928 (podomere 4): 4, 12a/10.
SUI 139937 (podomere 3): 3, 13/6.
SUI 139938 (podomere 3): 3, 16/7.
SUI 139940 (podomeres 6–8): 6, 7a/7a. 7, 12/10. 8, 13a/4.
SUI 139946 (podomeres 1–2): Coxa, 43/18a. 2, 22a/17a.
SUI 139959 (podomere 1): Coxa, 14a/13.
SUI 139963 (podomeres 3–8): 3, 5/5. 4, 4/5. 5, 5/4. 6, 4/3. 7, 2/2. 8, 4/2.
SUI 139965 (podomeres 5–8): 5, 5/4. 6, 4/3. 7, 5/2. 8, 3/2.
SUI 139979 (podomeres 1–3): Coxa, 28/17. 2, 13/15. 3, 8a/12.
SUI 140000 (podomeres 2–3): 2, 30a/21. 3, 25a/20.
SUI 140012 (podomeres 6–8): 6, 4a/7a. 7, 9/9. 8, 12a/6.
  1. Length/width. All measurements in millimetres. Podomere identity indicated in bold
  2. aindicates an incomplete measurement