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Fig. 21 | BMC Evolutionary Biology

Fig. 21

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

Fig. 21

Result of the phylogenetic analysis. Single most parsimonious tree. Bootstrap branch support values are shown above the node in italics, with Bremer support values in bold within parentheses. Jackknife values are displayed beneath each node. The position of Pentecopterus decorahensis is highlighted in red. Arachnids are not included in the analysis

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