>>2631660Those are some nice teeth anon, possibly from sometime in the Miocene- modern day but my money is on the Miocene.
>>2631838>>2631844both are most likely Pennsylvanian in age, but I could be wrong, real nice stuff though. As for the rocks used for erosion control, they are mostly likely somewhat local as it's the cheapest to do that for city's instead of importing them from far out of state.
Here are some Ptycohodus Whipplei from the Fishbed conglomerate in Denton Co. Tx, the fishbed lies between the Eagle Ford and Austin Chalk Formations -Fossil Anon