Animantarx Carpenter, Kirkland, Burge & Bird, 1999
Animantarx Carpenter, Kirkland, Burge & Bird, 1999
(Vertebrate paleontology in Utah. Utah Geological Survey Salt Lake City: 244
NcZ) "living fortress"
an-i-MAN-tahrks (Lat. animant-animans) "living" +
Lat. arx "fortress, citadel")* (f)
named based on Richard Swann Lull's observation regarding ankylosaurs,
that as "an animated citadel, these animals must have been practically unassailable..."
(Lull, 1914). Animantarx is a medium-sized Pawpawsaurus-like nodosaurid,
known from a partial skull and right mandible, and a partial skeleton,
including vertebrae, ribs, both scapula-coracoids, humerus,
femur and left ilium with ischium (Holotype: CEUM 6228R
(Prehistoric Museum, College of Eastern Utah)); found in the Cedar Mountain Formation
(Mussentuchit Member), eastern Utah. Animantarx has a high-domed cranium,
very small post-orbital "horns," small quadratojugal "horn,"
and an elongated coracoid about 63% the length of the scapula.
Skull is estimated at 25 cm (10 in.) long, suggesting the entire animal was about 2.8-3 m
(9-10 ft.) long. The generic name was suggested by Ben Creisler.
Type Species: Animantarx ramaljonesi [RAM-al-JOHNZ-ie] Carpenter, Kirkland,
Burge & Bird, 1999: for "Ramal Jones, who discovered the specimen using
a modified scintillometer in an area with no bones exposed".
Ankylosauria Nodosauridae Early Cretaceous (Albian-enomanian) NA. [added 10/99]
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