High-resolution Plate 2

Plate 2: All SEM images. Scale bar represents 500 µm. 1–2 Polycope bireticulata Joy and Clark 1977. 1, USNM 594091, PS2177-1, 0–1 cm; RV, lateral view. 2, USNM 594092, PS2177-1, 0–1 cm; RV, lateral view. 3 Polycope reticulata Müller, 1894, USNM 594093, PS2179, 9–10 cm; RV, lateral view. 4–5 Polycope semipunctata Joy and Clark 1977. 4, USNM 594094, PS2186-5, 10–11 cm; RV, lateral view. 5, USNM 594095, PS2200-5, 183 cm; RV, lateral view. 6–9 Polycope moenia Joy and Clark 1977. 6, USNM 594096, PS2202-2, 0–1 cm; LV, lateral view. 7, USNM 594097, PS2202-2, 0–1 cm; RV, lateral view. 8, USNM 594098, PS2200-5, 123 cm; RV, lateral view. 9, USNM 594099, PS2177-1, 0–1 cm; LV, lateral view.