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(a) SEM micrograph of the mature end of the Mcren rhipidoglossan radula (compare with schematic in Fig. 2). The major lateral teeth in the first few rows are missing. (b) Optical micrograph of the mature region of the radula focusing on the large R tooth and mLT. (c) Optical micrograph of the mature region of the radula focusing on MLT. (a–c) abbreviated same as in Fig. 2. The scale bars correspond to 500 μm.
