Cryptogramma

Genus Cryptogramma

Species total:
20

Age range:
163.5 - 0 MA (obsolete dating)

IRMNG:
find

Name	From	To
Cryptogramma cotidiana	Late Malm	Aptian
Cryptogramma crispa	Late Jurassic	Holocene
Cryptogramma geniculata	Callovian	Callovian