US$ 959.50
Despite their size difference
**We do recommend children to be supervised preparing fossils
during the latest Albian to earliest Cenomanian ages of the mid-Cretaceous period
air-breathing predators that once dominated the seas
which may be used and disseminated with proper attribution
Fossil Fern | Alethopteris grandini | Kansas Small Despite their size differenceAlethopteris grandini Pennsylvanian, Carboniferous Stranger Formation Franklin Co. Kansas Rick Rolater Collection Specimen measures approx. 4" x 1. 5" Matrix measures approx. 8. 5" x 6. 5" x 3" This spectacular fern specimen is very detailed and the preservation is impeccable. Alethopteris grandini is a classic and widely recognizable Pennsylvanian age seed fern (Pteridosperm) commonly found in the Carboniferous coal measures of North America and
US$ 959.50
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US$ 959.50