Introvertocystis

Introvertocystis is an extinct genus of acritarchs. Introvertocystis rangiaotea is from the Late Cretaceous (Cenomanian–Turonian) Tupuangi Formation of the Chatham Islands, New Zealand.^[1]

Introvertocystis Temporal range: Cenomanian–Turonian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	incertae sedis
(unranked):	Acritarcha
Genus:	†Introvertocystis C.M. Mays and J.D. Stilwell, 2012
Species
†Introvertocystis rangiaotea