Also known as New species Henrisporites angustus in Lignitic Clay with Paxillitriletes dakotaensis

Where: Massachusetts (41.5° N, 70.7° W: paleocoordinates 41.5° N, 70.7° W)

• coordinate based on political unit

When: Cenomanian (100.5 - 93.9 Ma)

• Formation is Raritan equivalent.

• bed-level stratigraphic resolution

Environment/lithology:

Size class: microfossils

Preservation: original sporopollenin

Collection methods: surface (in situ), chemical,

• Samples were chemically treated and then megaspores were picked from the washed coarse residue.

Primary reference: R. H. Tschudy. 1975. The Megaspore genus Henrisporites from the Cretaceous of Massachusetts. Journal of Research for the U.S. Geological Survey 3(1):15-20 [R. Lupia/T. Naeher/T. Naeher]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 31953: authorized by Rick Lupia, entered by Tiffany Naeher on 29.05.2003

Creative Commons license: CC BY (attribution)