Fig. 3: Palaeocampa anthrax from Mazon Creek Lagerstätte.
From: Palaeocampa anthrax, an armored freshwater lobopodian with chemical defenses from the Carboniferous
a USNM PAL 38032a, specimen in dorsal perspective. Head region missing or incomplete. b USNM PAL 38032c, specimen in dorsal view. Head incomplete or missing. Some trunk lobopods are faintly preserved, but mostly hidden beneath spines. c USNM PAL 38032 d, specimen in dorsal view. Head and frontal appendages partially preserved, as well as some trunk lobopods, again mostly hidden by spines. d USNM PAL 38032b, specimen in lateral view. Dorsum of trunk reinforced with sclerotized dermal papillae, trunk lobopods preserved at various angles, and a highly elongate frontal appendage is seen at the far anterior. The middle portion of the appendage is missing, but continues around to overlap with the basal portion. Frontal appendage is evenly annulated, and lined with papillae. e Line drawing of USNM PAL 38032b. dsp dorsal sclerotized papillae, fa frontal appendage, tss terminal sclerite spines. Other abbreviations as in Fig. 1. Scale bars represent 5 mm.
