Fig. 7 in The Early Cambrian (Botomian) stem group brachiopod Mickwitzia from Northeast Greenland

Fig. 7. Mickwitzia cf. occidens Walcott. Ventral valves; MGUH 26300 (A), + MGUH 26301 (B), MGUH 26302 (C), MGUH 26303 (D), MGUH 26304 (E). A1. Oblique lateral view of early mature valve; scale bar 200 µm. A2. Detail of juvenile shell of A1; scale bar 100 µm. A3. Detail of filar ornamentation with nick−points of A2; scale bar 50 µm. B1. Oblique lateral view of mature valve; scale bar 500 µm. B2. Detail of apex with juvenile shell of B1; scale bar 200 µm. C. Mature valve with exfoliated apex and radiating trails of nick−points; scale bar 500 µm. D. Mature valve showing transition to pustulose mature ornamentation; scale bar 500 µm. E. Detail of ornamentation with radiating trails of nick−points on early mature shell; scale bar 100 µm. All specimens from the Bastion Formation. A, sample GGU 314835; B, sample GGU 314807; C, E, sample GGU 314910; D, sample GGU 314804.