The figures on disposition of body muscles and of main mantle canals, and on the umbonal regions are | |
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Content: Papillae of the mantle canals in GlottidiaTerminology of the body muscles in Lingulidae Disposition of the body muscles in Glottidia Umbonal regions in Glottidia Geographic distribution of the Glottidia
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Papillae of the mantle canals
| Terminology of the body muscles in Lingulidae: Glottidia
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Disposition of the body muscles in Glottidia (** variations among the species) 
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Umbonal regions in Glottidia 
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Geographic distribution of the Glottidia (modified, from Emig, 1997)
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