TABLE 1. Cranial measurements (in mm) of Hungarosaurus and Struthiosaurus. Data for Struthiosaurus specimens taken from Pereda Suberbiola and Galton (1994). ?+' indicates that in that case of measurement the specimen is not complete or compressed.
|
Measurements |
Hungarosaurus sp. (MTM PAL 2013.23.1) |
Struthiosaurus austriacus (PIUW 2349/6) |
Struthiosaurus transylvanicus (NHMUK R4966) |
|
Skull length (preserved) |
+115 |
+54 |
+115 |
|
Maximum skull width behind the orbits |
- |
- |
255 |
|
Breadth of paroccipital processes |
- |
- |
113 |
|
Depth from skull roof to base of basipterygoid process |
- |
- |
114 |
|
Transverse diameter of occipital condyle |
29.5 |
21 |
24 |
|
Greatest diameter of foramen magnum |
+19 |
17 |
18 |
|
Breadth of basipterygoid processes |
- |
+18 |
35 |
|
Height from base of occipital condyle to skull roof |
80 |
56 |
81 |
|
Angle of basisphenoid relative to occipial condyle |
95° |
105° |
- |
TABLE 2. List of ankylosaur endocranial cast specimens.
|
Taxon |
Material (braincase) |
Provenance |
References |
|
Euoplocephalus tutus |
AMNH 5337 AMNH 5403 AMNH 5405, UALVP 31, 47977 |
Campanian, Alberta, CA |
Coombs (1978a), Hopson (1979) Witmer and Ridgely (2008) Miyashita et al. (2011) |
|
Panoplosaurus mirus |
ROM 1215 |
Campanian, Alberta, CA |
Witmer and Ridgely (2008) |
|
Struthiosaurus transylvanicus |
NHMUK R4966 |
Maastrichtian, Romania |
Nopcsa (1929), Pereda Suberbiola and Galton (1994) |
|
Struthiosaurus austriacus |
PIUW 2349/6 |
Campanian, Austria |
Pereda Suberbiola and Galton (1994) |
|
Cf. Polacanthus foxii |
CAMSM X26242 |
Barremian, UK |
Norman and Faiers (1996) |
|
Cedarpelta bilbeyhallorum |
CEUM 10267, 12360 |
Albian-Cenomanian, USA |
Carpenter et al. (2001) |
|
"Hokkaido nodosaurid" |
MCM A522 |
Cenomanian, Japan |
Hayakawa et al. (2005) |
|
Hungarosaurus sp. |
MTM PAL 2013.23.1 |
Santonian, Hungary |
This work |
