This consisted of a subrectangular 1.8m x 0.8m clay walled structure, surviving to 0.4m high, with evidence of multiple firings.
12.
The color pattern consists of a series of pale, subrectangular blotches running down the center of the back, interspaced with dark, yellow-edged hourglass markings.
13.
It is the most abundant and readily identifiable mesoeucrocodylian of the San Juan Basin, mostly due to its distinctive subrectangular, flattened, and sparsely pitted thigh bone.
14.
Later Snurfer models replaced the staples with ridged rubber grips running longitudinally along the length of the board ( originally ) or, subsequently, as subrectangular pads upon which the snowboarder would stand.
15.
Shells of " Parastrenoceras " are strongly evolute with a subrectangular to subcircular whorl section, generally prominent ribbing, and two rows of tubercles on either side located ventrally and ventrolaterally.
16.
""'Strophiceras " "'has a probably gyroconic shell with a higher than wide, compressed, subrectangular whorl section with slightly arched dorsum and venter and flattned flanks.
17.
The engine could be accessed from the outside through a small subrectangular hatch in the roof or a large double hatch on the back that also provided ventilation, the slits being protected by conspicuous raised longitudinal covers.
18.
Also from the Cretaceous is " Pseudocenoceras ", named by Spath in 1927 . " Pseudocenoceras " is compressed, smooth, with subrectangular whorl sections, flattened venter, and a deep umbilicus.
19.
The discocellular spot is nearly trapeziform and the terminal line is white, with ill-defined subrectangular black spots uniformly placed along its inner side, interrupted by greyish white mixed with blackish brown or brown scales at the veins.
20.
"Shaft smoothers " were shaped stones which could be distinguished by abraded grooves occurring on one or more surfaces . 2 complete specimens were analyzed, both made of a pumice material, one was rectangular while the other was subrectangular with rounded edges.