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Figure 4 | BMC Evolutionary Biology

Figure 4

From: Arthroaspisn. gen., a common element of the Sirius Passet Lagerstätte (Cambrian, North Greenland), sheds light on trilobite ancestry

Figure 4

Hypostome of Arthroaspis bergstroemi n. gen. n. sp. A. MGUH 30413, impression of hypostome under cephalon, with box-like wrinkling at the anterior margin (dorsal aspect); B. MGUH 30416 outline of hypostome with impression of anterior wing and box-like wrinkling of the cephalic shield above (ventral aspect); C. MGUH 30387, outline of hypostome with impression of posterior wing (ventral aspect).

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BMC Ecology and Evolution

ISSN: 2730-7182

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