Here is the latest bone - the anterior part (front part) is toward the left with the midline running along the top of the piece. This piece has a very delicate part left on the rear-projecting spur on the lower left in this picture. I believe it is the supratemporal and the squamosal. These are missing from the other two pieces.
Here are a couple of closeups of the posterior projection of the spur. The fin is only about 1 mm thick and (of course) it was difficult to prepare.
This one shows the interior of the braincase and the pineal gland as well.
Here is the one before that. I can't seem to find it totally prepared in this same position, so here it is with the anterior end (front end) pointing up. The pineal is the notch on the right side, the brain case in the lower projection on the right.
When we get these all together we will compare sizes. It is my impression that the largest piece is actually from the largest skull, but it awaits accurate dimensioning. Two of these fragments are already in Alaska so I can't do it right now. I have begun scanning parts with two new students at Century High School. After all the skull bones that are here in Oregon are scanned they will be sent to the U of Alaska, Fairbanks, to join the rest of the skull parts.
Sincerely, Greg Carr