Abstract
THE Lucinacea, comprising the families Ungulinidæ, Thyasiridæ and Lucinidæ all have a characteristically slender vermiform foot. Its anatomy has been described by Barrois1 and Menégeaux2 and its locomotory movements by Stoll3. In some species, for example, Diplodonta rotundata, the slightly bulbous tip is distinct from the rest of the foot. The foot can extend four or five times the length of the animal and the tip can swell out even when the foot is extended. When the foot is contracted, it lies with the tip close to the posterior edge of the anterior adductor muscle. This muscle (Fig. 1) is characteristically elongate.
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References
Barrois, T., thesis, Faculté des Sciences de Paris (1885).
Menégeaux, A., thesis, Faculté des Sciences de Paris (1890).
Stoll, E., Trav. Stat. Biol. Roscoff (1938).
Yonge, C. M., Proc. Malacol. Soc., 22, 337 (1937).
Yonge, C. M., J. Mar. Biol. Assoc., 21, 687 (1937).
Morton, J. E., Quart. J. Micr. Sci., 92, 1 (1951).
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ALLEN, J. Function of the Foot in the Lucinacea (Eulamellibranchia). Nature 171, 1117–1118 (1953). https://doi.org/10.1038/1711117b0
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DOI: https://doi.org/10.1038/1711117b0
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