Wheel hop much?
Looks like you cracked the case as the crack usually runs from where the rear mount bolts up to to the drivers side then does a an "L" straight back to the shifter rod. Every cracked case ive seen was that way. Looks like yours broke enough to fall apart around the shift rod going into the trans.
Its done for. Time for a new trans or just swap bellhousings if you can find one.