- “Grypania Spiralis (GRY12)” already exists in your wishlist
Grypania Spiralis (GRY10)
$1,850.00
Notes specific to this specimen: This sizeable slab shows abundant evidence of fragmentary Grypania, although there are some longer pieces with the telltale arching strings. The impressions are numerous but not very apparent except under close inspection.
SIZE: 4″ x 6″
NAME: Grypania spiralis
AGE: Paleoproterozoic Era / 2.1 billion years
UNIT : Negaunee Iron Formation
SITE: Empire Mine, Palmer, Michigan
Notes specific to this specimen: This sizeable slab shows abundant evidence of fragmentary Grypania, although there are some longer pieces with the telltale arching strings. The impressions are numerous but not very apparent except under close inspection.
SIZE: 4″ x 6″
NAME: Grypania spiralis
AGE: Paleoproterozoic Era / 2.1 billion years
UNIT: Negaunee Iron Formation
SITE: Empire Mine, Palmer, Michigan
Documentation: This authentic fossil specimen comes with a Certificate of Authenticity and Origin.
Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 4 × 8 × .3 in |
| Name / Species | Grypania spiralis |
| Age | Paleoproterozoic Era / 2.1 billion years |
| Unit | Negaunee Iron Formation |
| Site | Empire Mine, Palmer, Michigan |
