IODP SEDIS - Thesaurus -

Kirkwood Formation
RT	Arikareean
	Hemingfordian
	Lower Cretaceous
	middle Miocene
	New Jersey
	South Africa
	Upper Jurassic
SN	Arikareean and Hemingfordian. E New Jersey. Also found in Upper Jurassic to Lower Cretaceous (Gondwana) of South Africa. Indexed with ages as applicable.