Figure 1From: Arthroaspisn. gen., a common element of the Sirius Passet Lagerstätte (Cambrian, North Greenland), sheds light on trilobite ancestryArthroaspis bergstroemi n. gen. n. sp. A. MGUH 30382pt, holotype, large individual (200 mm); B. MGUH 30405, small individual (87 mm), B 1 same scale as A. Both specimens with 14 thoracic tergites, indicating that the small specimen already is a holaspid. For abbreviations see Table 1.Back to article page