PBDB Taxon

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

Deussenia ripleyana

Taxonomy

Deussenia ripleyana was named by Harbison (1945) [m. kosnik taxon no: 3002].

Sister species lacking formal opinion data

Year	Name and author
1945	Deussenia ripleyana Harbison
1964	Deussenia ripleyana Sohl p. 200 figs. Pl 25, figs 1,2,5-7,11-13

Time interval	Ma	Country or state	Original ID and collection number
Maastrichtian	72.1 - 66.0	USA (Mississippi)	Deussenia ripleyana (7600)
Early/Lower Maastrichtian	70.6 - 66.0	USA (Mississippi)	Deussenia ripleyana (7476 7586 7590)
Early/Lower Maastrichtian	70.6 - 66.0	USA (Maryland)	Deussenia ripleyana (125950)