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Garlanded bucrania on a frieze from the Samothrace temple complex Bucranium on the frieze of the Temple of Vespasian and Titus in Rome.. Bucranium (pl. bucrania; from Latin būcrānium, from Ancient Greek βουκράνιον (boukránion) 'ox's head', referring to the skull of an ox) was a form of carved decoration commonly used in Classical architecture.
A skull diagram of D. magnicornis by Douthitt (1917), whose identifications of skull bones closely matches those of modern sources. The most distinctive features of this genus and its closest relatives were a pair of long protrusions or horns at the rear of the skull, giving the head a boomerang-like shape.
These scale areas, commonly referred to as horns or horn cores due to their size and shape, are very pronounced and highly distinct in the individual genera and even species. Generally speaking, the A horn is a singular element located at the back of the skull that ranges from forming a large, frill-like structure to an almost vestigial shelf.
Archaeologists have uncovered strangely deformed sheep skulls at an ancient Egyptian burial site, representing the oldest known example of humans modifying livestock horns.. Researchers also found ...
It was more "advanced" or derived than Archaeopteryx in possessing a short tail with a pygostyle (a bone formed from a series of short, fused tail vertebrae) and a bony sternum (breastbone), but more basal or "primitive" than modern birds in retaining large claws on the forelimbs, having a primitive skull with a closed eye-socket, and a ...
Meiolania was a well-armored animal with a somewhat raised carapace with spiky edges, osteoderm-covered frontlimbs, a head adorned by massive cow-like horns and a tail encased by spiked tail rings and tipped by a large bony club.
A newfound fossil of a jawless fish is the oldest known vertebrate cranium preserved in 3D. The 455 million-year-old find could illuminate how vertebrate heads evolved.
An adult P. neimongoliensis was probably smaller than P. mongoliensis, with a proportionately longer skull and tail. [27] P. ordosensis can be distinguished by numerous features of the jugals, which have very prominent 'horns'. [17] It is also the smallest known species. One adult skull measures only 9.5 centimeters (3.75 in) in length. [27]