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Fig. 12 | BMC Evolutionary Biology

Fig. 12

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

Fig. 12

Hoplitaspis hiawathai, specimens preserving morphological details of the postabdomen and telson. a UWGM 1871 (paratype), specimen with disarticulated prosoma and buckler preserving full series of postabdominal segments and telson. b UWGM 2040, specimen preserving buckler posterior in dorsal view and complete postabdomen with telson. c UWGM 2069, block preserving multiple specimens. UWGM 2069A displays a full postabdomen including the elongate pretelson. d UWGM 2039, postabdominal segments 8–12. Scale bars = 10 mm

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