opisthognathous


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Antonyms for opisthognathous

having receding jaws

References in periodicals archive ?
Head globose, slightly opisthognathous; antennae filiform; fastigium very short and blunt in some species, angular in others, always shorter than the width of interocular space.
This may be partly due to not using more characters of the male and female postabdomen and to an avoidance of other somatic characters where definition is difficult, for example, the relative head shape: prognathous versus opisthognathous, the degree of convergence of eye margins, and the subtle wing characters.