Abstract
RECENTLY, I have shown the presence of true paired frontal organs in species of Decapoda Natantia where the sensory pore X organ1 was simultaneously well developed2. Consequently, the supposed homology between the paired frontal organs of lower Crustacea and the sensory pore X organ and eye papilla can no longer be accepted, and interest in the derivation of the X organs is renewed. As information on their ontogeny is scanty and mostly refers to late stages3,4, investigations on embryological material of Crangon allmanni were carried out.
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DAHL, E. Embryology of X Organs in Crangon allmanni . Nature 179, 482 (1957). https://doi.org/10.1038/179482a0
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DOI: https://doi.org/10.1038/179482a0
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