Tarrant County, Texas
Aug. 14, 2008

Today Me and Roz hunted a drainage area exposing the lower Duck Creek formation very close to our homes.  It was after work so the sun was going down quickly.  
location
ammonite (species unknown)
 
smae
Macraster echinoid (species uncertain)
 
same
Where it was found 
Pics of the cleaned Macraster echinoid: