PBDB Taxon

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

Zartus thayeri

Protozoa - Spumellaria - Pantanelliidae

Taxonomy

Zartus thayeri was named by Pessagno and Blome (1980). Its type locality is Snowshoe Formation, Oregon, USA (Locality 516), which is in a Bajocian marine mudstone/lime mudstone in the Snowshoe Formation of Oregon.

Sister species lacking formal opinion data

Z. dickinsoni, Z. imlayi, Z. jonesi, Z. mostleri, Z. praejonesi

Year	Name and author
1980	Zartus thayeri Pessagno and Blome

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Aalenian	174.7 - 170.9	Japan	Zartus thayeri (54166)
Early/Lower Bajocian	170.9 - 168.6	Canada (British Columbia)	Zartus thayeri (71122)
Early/Lower Bajocian	170.9 - 168.6	USA (Oregon)	Zartus thayeri (32730)
Bajocian	170.9 - 168.2	USA (Oregon)	Zartus thayeri (type locality: 32741)
Bajocian	170.9 - 168.2	Oman	Zartus thayeri (125362)
Late/Upper Bajocian	168.6 - 168.2	USA (Oregon)	Zartus thayeri (106403)
Early/Lower Bathonian	168.2 - 165.3	USA (Oregon)	Zartus thayeri (94149)