X-Nico

2 unusual facts about Nostril


Nostril

Though all four were outside the head of our fish ancestors, they migrated back inside as evidenced by the discovery of Kenichthys campbelli, a 395 million-year-old fossilized fish which shows this migration in progress.

Sigma Hydrae

It is also known by the proper name Minchir, and appears as Minchir es-schudscha' on Bode's large star atlas, Uranographia, which is derived from the Arabic Minkhir al-Shuja‘, "the Nostril of Hydra", for this star.


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Heffer Wolfe

Jeff "Swampy" Marsh, a storyboard writer, says that Heffer's right eye and left nostril are "notched at the bottom" due to Murray's design style.

Maxilla

In bony fish, amphibians, and reptiles, both maxilla and premaxilla are relatively plate-like bones, forming only the sides of the upper jaw, and part of the face, with the premaxilla also forming the lower boundary of the nostrils.

Posterior nasal apertures

The fossil lungfish Diabolepis shows an intermediate stage between posterior and interior nostril and supports the independent origin of internal nostrils in the lungfish.

Prosaurolophus

These postulated diverticula would have taken the form of inflatable soft-tissue sacs housed in the deep excavations flanking the crest and elongate holes for the nostrils.

Ristella travancorica

Ear-opening not or but slightly larger than the nostril; third to sixth upper labials below the eye.


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