Happy, alternate reading: we're not looking at a photo of t-rex in panel six and listening to future generations talk about it! rather, «MANY GENERATIONS LATER» is the name of the club everyone's hanging out at in the present, and t-rex is super excited to see this photograph of some sepia-toned old-timey dude that everyone's crowded around off-panel. both interpretations are valid and exist in a state of QUANTUM-CONTINUITY CANON FLUX