|
53 N. Macdonald
Mesa, AZ 85201
Phone:
480-644-2230
E-mail |
|
Tonto National Forest Devonian Project
Fossil of primitive fish Asterolepis in
foreground, with life reconstruction behind.
| Museum
Researchers: |
Principal
Investigator Adjunct Curator Dr. Heidemarie
Johnson |
| Location: |
Near Payson |
| Age: |
Middle to Upper
Devonian, 380 million years before present |
| Geological
Unit: |
Martin
Limestone |
| Discoveries
Include: |
The ancient
fishes, Asterolepis, Bothriolepis,
Arthrodira. |
| Comments: |
The beds
containing the fish, Asterolepis
apparently represent a mass death in a
drying pond or ox bow lake, not far from the
ancient ocean that covered much of Arizona. |
Publications from Tonto National Forest Devonian
Project
| 2001 |
In Search of
Clues: Solving the Mystery of a 375 million
year old Mass-Kill.
Heidemarie G. Johnson. Mesa Southwest Museum
Bulletin 8:1. |
| 2000 |
A New Antiarch
(Class Placodermi) from Arizona.
Heidemarie G. Johnson (abstract). Mesa
Southwest Museum Bulletin 7: 1. |
| 1995 |
Devonian Fossil
Fish from Central Arizona.
Heidemarie G. Johnson. Fossils of Arizona
Symposium Proceedings Volume 3:1-6. |
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