Also known as Blodgett 87ABd76

Where: Alaska (65.4° N, 149.1° W: paleocoordinates 65.4° N, 149.7° W)

When: Ashgill (449.5 - 443.7 Ma)

• Collection is from a single limestone cobble.

Environment/lithology: lithified limestone and lithified conglomerate

Size class: macrofossils

Preservation: replaced with silica

Collected by Plafker in 1987

Collection methods: chemical

Primary reference: J. K. Rigby, R. B. Blodgett, and B. B. Britt. 2008. Ordovician sponges from west-central and east-central Alaska and western Yukon Territory, Canada. Bulletin of Geosciences 83(2):153-168 [A. Miller/S. Kolbe]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 100230: authorized by Arnold Miller, entered by Sarah Kolbe on 02.12.2010

Creative Commons license: CC BY (attribution)