-
periphals then
extend along each side. At the
posterior of the s**** is the
pygal bone and in
front of this
nested behind the
eighth pleurals is the suprapygal...
- the
eighth thoracic vertebra which are
smaller than the others, and the
pygal plate closest to the tail
which is larger.
Archelon has ten
pairs of ribs...
- thirty-six
dorsal vertebrae and nine
pygal vertebrae; M.
hoffmannii had
likely up to thirty-two
dorsal vertebrae and ten
pygal vertebrae; and M. missouriensis...
-
eleven peripherals (per side), a
nuchal at the
front and a
suprapygal and
pygal at the rear of the s****. As
noted earlier, neurals,
although always present...
-
clades is unclear.
Tylosaurus had 29 to 30
presacral vertebrae, 6 to 7
pygal vertebrae, and 89 to 112
caudal vertebrae; due to the lack of a bony articulation...
-
dorsal (back) coat
varies from gray to rosy-brown,
sometimes with a
brown pygal patch around the tail region,
where the fur
grades to pale gray or grayish...
-
Teeth Mosasaur cf. Pachyvar****
Indeterminate Vertebrae Aquatic varanoid Mosasauridae Pygal vertebra Plioplatecarpinae Indeterminate Dorsal vertebra...
-
Cranial elements including left
maxilla with teeth. P. sp. 4
Lumbar vertebrae and
pygal P. sp. 5 Two
teeth Tylosaurinae indet.
Front paddle. A tylosaurine....
- Bennison's
skeleton and
consisted of an
articulated series of fifty-four dorsal,
pygal, and
caudal vertebrae. It was sent to UC
Berkeley as UCMP 33913.
Field expeditions...
-
cervical and
anterior dorsal vertebrae with
cervical and
dorsal ribs,
isolated pygal and
caudal vertebrae, sca****-coracoid and
scattered elements of the appendicular...