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GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Paper No. 38-2
Presentation Time: 9:00 AM-5:30 PM

EVIDENCE FOR MOVEMENT IN THE EDIACARAN FROND BASE ASPIDELLA FROM BOSTON BAY, MASSACHUSETTS


LAW, Nicole M., Department of Geology, Mercyhurst University, 501 East 38th Street, Erie, PA 16546 and MCKENZIE, Scott C., Department of Geology, Mercyhurst University, 501 East 38th St., Erie, PA 16546

The Ediacaran-aged ellipsoid fossil Aspidella terranovica is widely known from a number of sites, most prolifically in eastern North America. We have analyzed several examples gathered as loose blocks from a construction site near the Hingham Harbor outcrop in Massachusetts. Upon polishing, we noticed features that immediately suggested movement of the basal discs up through the sediment, perhaps in response to rapid deposition. Could Aspidella represent the beginnings of animal locomotion?

Session No. 38--Booth# 202

D22. Paleontology: Paleoecology/Taphonomy (Posters)
Sunday, 22 September 2019: 9:00 AM-5:30 PM
Hall AB, North Building (Phoenix Convention Center)
Geological Society of America Abstracts with Programs. Vol. 51, No. 5
doi: 10.1130/abs/2019AM-334846
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