[philman_36]

"It must have been a clumsy swamp crawler, probably preying on small fish in the water and grabbing anything it could catch on land like millipedes and primitive scorpions." Clack said.
Nothing like a good, well educated guess is there.

[Phil V.]

The 350,000,000 year figure is MORE than a guess.

The existence of the pelvis is MORE than a guess.

The quality of the speculation WRT the critter's dexterity are meaningless one way or another.