Dinoflagellates and acritarchs from the Upper Cretaceous, (Senonian), Monmouth Group of the Maryland-Delaware Coastal Plain.
Reference:
Whitney,B.L. et al. (1973)
Dinoflagellates and acritarchs from the Upper Cretaceous, (Senonian), Monmouth Group of the Maryland-Delaware Coastal Plain. Geological Society of America, Abstracts with Program, Annual Meeting
Vol. 5 # 5 P. 451- 451