Pteranodon wing (reverse side close up)

Pteranodon Sp.

Logan County, Kansas

Niobrara form. Smokey Hill chalk

Santonian-Campanian, late Cretaceous 

Sadly this one broke while removing it from packaging, even with great care. Thankfully a beautifully clean break with no fragments or even visible dust! 

Im not exactly sure which bones they are, and I’d appreciate any input about it, but based on the significant difference between the 2 connecting bones, I’d imagine it’s one of the metacarpals and the connecting 1st phalanx.

(I’m very proud of the display/storage box I made for it. Removed box innards and carved tightly fitted slots in padding from an old crystal wine glass box. Who says having random stuff sitting around for decades is a bad thing!?)