probably not Actaea
Full reference: M. J. Rathbun. 1935. Fossil Crustacea of the Atlantic and Gulf Coastal Plain. Geological Society of America Special Paper (2)1-160
Distribution: found only at 4 1/2 mi SE of Fort Worth, 1/4 mi S of International Great Northern Railway... (Cretaceous of Texas)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.