aparietal
a form of skull where the parietals are absent, e.g. in Syngnathiformes, Siluridae

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • os parietale — (plural ossa parietalia)) parietal (a dermal paired bone on each side of the top rear of the head over the auditory region, behind the frontals and partly or wholly separated by the supraocciptal. In Amia and Elopidae both parietals meet in the… …   Dictionary of ichthyology

  • parietal — a dermal paired bone on each side of the top rear of the head over the auditory region, behind the frontals and partly or wholly separated by the supraocciptal. In Amia and Elopidae both parietals meet in the midline and separate the frontals and …   Dictionary of ichthyology

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”