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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: The first data on the innervation of the lophophore in the rhynchonelliform brachiopod Hemithiris psittacea: what is the ground pattern of the lophophore in lophophorates?

Fig. 1

Organization of the lophophore in Hemithiris psittacea. a Photograph of a live animal: the brachial valve (bv) is broken. Two arms of the spirolophe lophophore are visible. b A brachium; SEM; lateral view. c The distal end of the brachium with the youngest tentacles; SEM; top view. Abbreviations: bf – brachial fold; bv – brachial valve of shell; lb – lophophore base; loa – lophophore arm (brachium); mc – mantle cavity; pv – pedal valve of shell; t – tentacle

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