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Morphology of Notostraca oleseni (SMNS 70488) from the Yixian Formation of north-eastern China (Lower Cretaceous, 125–121 million years). a Notostraca oleseni overview; b as A but with labeled structures and color markings; c Detail of trunk segments; d Detail of telson; e Detail of furcal rami; at, anterior thoracopod; fr, furcal rami; no, notch; pt, posterior thoracopods; sh, shield; sp, subfrontal plate; te, telson; ts, trunk segments
