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Figure 12 | BMC Evolutionary Biology

Figure 12

From: Morphology and function in the Cambrian Burgess Shale megacheiran arthropod Leanchoilia superlata and the application of a descriptive matrix

Figure 12

Three-dimensional models of great appendages and their mechanics. A, Great appendage of Leanchoilia superlata Walcott, 1912; B, Great appendage of Yohoia tenuis Walcott, 1912; C- G, Movability of the great appendage of L. superlata based on the new reconstruction herein; H- L, Rotation of the great appendage of L. superlata requiring deep notches in the peduncle, for which we could find no evidence; this range of movement may require disarticulation at the joints during preservation; abbreviations as before.

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