Noun

(head)

*{{quote-journal, 2001, date=November 16, Paul C. Sereno et al., The Giant Crocodyliform Sarcosuchus from the Cretaceous of Africa, Science citation

, passage=Both upper and lower crowns have carinae fore and aft but are otherwise smooth and remarkably stout (Fig. 2 E). }}

*{{quote-journal, 1997, date=June 6, Jose L. Sanz et al., A Nestling Bird from the Lower Cretaceous of Spain: Implications for Avian Skull and Neck Evolution, Science citation

, passage=The teeth are devoid of carinae , lacking any kind of ornamentation. }}

*{{quote-book, year=1859, author=Various, title=Journal of the Proceedings of the Linnean Society - Vol. 3, chapter=, edition= citation

, passage=Yellow; the antennae fuscous above, also a fuscous cloud at the apex of the anterior wings, the wings hyaline with the nervures black; a spot on the scape within, and three longitudinal stripes on the mesothorax, black; the latter slightly punctured anteriorly; the metathorax smooth and shining, with three oblique carinae on each side, and a small subovate enclosed space in the middle of the disk. }}

Noun

(en noun)

(obsolete) A keel.