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Figure 4 | BMC Evolutionary Biology

Figure 4

From: Origin and evolutionary plasticity of the gastric caecum in sea urchins (Echinodermata: Echinoidea)

Figure 4

Digestive tract anatomy of selected "regular" sea urchin taxa (Diadematidae - Temnopleuridae). Diadematidae (A-D), Glyptocidaridae (E), Stomopneustidae (F), Arbaciidae (G, H), Saleniidae (I-K), and Temnopleuridae (L). (G) from [22, Fig. 2, Pl. II] - reproduced in modified form with kind permission from L'Institut Océanographique, Fondation Albert Ier, Prince de Monaco. AB = aboral view, LA = lateral view, OR = oral view. d = dilation, e = esophagus, f = festoon. Not to scale.

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