fossulet
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fossula — n.; pl. lae; fossule, fossulet [L. dim. fossa, ditch] 1. A shallow fossa. 2. (ARTHROPODA: Insecta) Grooves on the head or sides of the prothorax, in which the antennae are concealed; a foveola. 3. (MOLLUSCA: Gastropoda) A shallow linear… … Dictionary of invertebrate zoology
