PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Archaeohagiastrum munitum

Taxonomy

Archaeohagiastrum munitum was named by Baumgartner (1984).

Sister species lacking formal opinion data

Year	Name and author
1984	Archaeohagiastrum munitum Baumgartner

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Bajocian	170.9 - 168.6	Canada (British Columbia)	Tetraditryma sp. B (71125)
Late/Upper Bajocian	168.6 - 168.2	Japan	Archaeohagiastrum munitum (51714)
Early/Lower Bathonian	168.2 - 165.3	USA (Oregon)	Archaeohagiastrum munitum (94149)
Callovian	165.3 - 161.5	Italy	Archaeohagiastrum munitum (47163)