RARE Pair TRICERATOPS BROW HORN w/Orbit & SQUAMOSAL FRILL w/Bite Mark,HELL CREEK


RARE Pair TRICERATOPS BROW HORN w/Orbit & SQUAMOSAL FRILL w/Bite Mark,HELL CREEK

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RARE Pair TRICERATOPS BROW HORN w/Orbit & SQUAMOSAL FRILL w/Bite Mark,HELL CREEK:
$7150.00


EXCLUSIVE!

TRICERATOPS horridus


BROW HORN with part of ORBIT BONE

and

SQUAMOSAL FRILL BONEwithBITE MARK

plus Two Custom Display Stands

EACH PIECE IS AN EXCEPTIONAL FOSSIL

The SET, however, Is A Very Rare Combination !

Expertly Restored (>95% original material)

PROFILE, FRONT and BACK pictures of BROW HORN and ORBIT BONE
FRONT VIEW, ENLARGEMENT and BACK VIEW pictures of FRILL
SPECS..Horn Size:
27\"tall x 19.5\"wide
x~6\"thick, max
Horn Weight: 32 lbs

Frill Size:
36\"tall x 14\"wide, max

x 0.25to 1.5\"thick

Frill Weight: 28lbs


HORN & to VIEW
ALL
sale ITEMS.
.
NOTE: The Brow Horn and Neck Frill have been superimposed onthis Full Skeleton in order to illustrate their actual context.

Name:Triceratops horridus - includes:

1) TRICERATOPS BROW HORN, (right side)withpart of
ORBITAL(or EYE) BONE attached.

2) TRICERATOPS SQUAMOSAL (or NECK) FRILL (left side)
withBITE/TOOTH MARK

Time: Late Cretaceous Period(73-65 million years ago)
Location: Hell Creek Formation, near BISON, SOUTH DAKOTA

Excavated: c. 1998
Restoration:Professionally restored( >95% original); No horridus (\"horrible three horned face\") roamed what is now the American west during the Late Cretaceous Period. It grew to a length of 9 meters (about 27 ft.), measured 3-4 meters (10-12 ft.) at the top of its back and weighed as much as 5 tons (about the same as modern African elephants). Two meter (6 ft.) skulls are common among Triceratops specimens and the largest land animal skull ever found, 2.6 meters (8.5 ft.) is from a close relative: Pentaceratops.

Triceratops and their kin are often described as exhibiting herding behavior similar to that found in the grazing mammals of East Africa. Contemporary descriptions show herds of different kinds of plant-eating dinosaurs browsing the Cretaceous landscape on the alert for T-rex and other predators. Triceratops would have used its beak to crop off the low- growing plants that were its food. Like many herbivores now, it did not have binocular vision. Having the eyes on the side of the head allowed them to spot predators in a wider field of vision. Large horns are one of the Triceratops most distinctive features. Covered with a fingernail-like sheath, these horns were probably used like antlers and horns on modern animals - for combat with other Triceratops over mates or territory, and for defense from is one of many ceratopsian dinosaurs that proliferated during the Cretaceous, each with its own arrangement of horns and frill. It has been popularized for many years as the arch rival of T-rex, and pictured in numerous \"fights to the death.\" New research by paleontologists is redefining the old image of this remarkable dinosaur.

Among dinosaurs, Triceratops is an ornithischian and within that group, a marginocephalian (all ceratopsians and pachycephalosaurs are in here). The ceratopsians are further divided into two groups that are defined by specific skull characteristics. Triceratops and its closerelatives Pentaceratops, Chasmosaurus and Torosaurus all have long, low faces, and horns over the eyes that are longer than the horns on thenose. The other group is characterized by shorter faces, shorter frills and nose horns that were longer than the orbital (eye) horns. In this second group you\'ll find Styracosaurus, Monoclonius and Centrosaurus. Within its own group, Triceratops is differentiated by not having fenestrae (openings) in its relatively short bony frill, and the young had epoccipitals (small conical bones) along the edge of its frill.

Like all ceratopsians, Triceratops had large and complex batteries of teeth. The teeth were locked together next to one another along the jaw, as well as vertically (new teeth pushing up from below or down from above). Rather than grind food, these batteries of teeth (both top and bottom) worked together to chop and slice the vegetation cropped by the animal\'s beak. As teeth along the cutting edge wore out, they were replaced immediately.

The long horns and bony frill are two of Triceratops\' most distinguishing characteristics. Fossil remains show both to have many grooves and channels forblood vessels. The presence of these blood vessels raises into question the value of the bony frill as a defensivearmor. It is now thought that the frill functioned primarily as a display device, as a body heat regulator, and as an attachment point for the massive jaw muscles. The bony horn cores were likely covered by keratin sheaths much like those of modern cows. These sheaths would enlarge and lengthen the size of the horns on a living animal.


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RARE Pair TRICERATOPS BROW HORN w/Orbit & SQUAMOSAL FRILL w/Bite Mark,HELL CREEK:
$7150.00

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