Making Fossils

Home » Case Index » Making Fossils
Acquisition # Common Name Species Namesort descending Image Period Location
F-08
Olive shell - internal sandstone mold
photo of a Olive shell - internal sandstone mold
427
Trace Fossil - Bird Tracks
photo of a Trace Fossil - Bird Tracks
Paleogene (Eocene) Green River Formation
F-09
Clam (Eel river) - showing traces of original shell
photo of a Clam (Eel river) - showing traces of original shell
F-10
Clam assemblage (Eel river) - showing traces of original shell
HSU-41
Coprolite - fossil cast of excrement
photo of a Coprolite - fossil cast of excrement
624
Gastropod (snail) - internal sandstone mold
photo of a Gastropod (snail) - internal sandstone mold
Neogene (Pleistocene) Sonora, Mexico
F-01
Whale bone- cross section showing bone cells, some filled with mud
photo of a Whale bone- cross section showing bone cells, some filled with mud
F-02
Redwood - wood fragment
photo of a Redwood - wood fragment
F-03
Tree branch - showing external shape
photo of a Tree branch - showing external shape
F-05
Amber with insect parts
photo of a Amber with insect parts
F-06
Scallop assemblage - external impressions in mudstone
photo of a Scallop assemblage - external impressions in mudstone
F-07
Turret shell - internal sandstone mold
photo of a Turret shell - internal sandstone mold
257 & 258
Fern Leaf - positive and negative impressions Alethopteris seili
photo of a Fern Leaf - positive and negative impressions
Pennsylvanian Mazon Creek, Illinois
580
Beetle (predacious water beetle) - preserved in asphalt Cybister explanatus
photo of a Beetle (predacious water beetle) - preserved in asphalt
Neogene (Pleistocene) Kern County, California
456
Redwood Leaf - impressions in limonite Dendraster venturensis
photo of a Redwood Leaf - impressions in limonite
Neogene (Pliocene)
157
Horn Corals - replaced with red agate Lophophyllum sp.
photo of a Horn Corals - replaced with red agate
Devonian Utah
1305 & 1306
Brachiopod - pyrite replacement (left: acid etched; right: natural) Paraspirifer bqwenockeri
photo of a Brachiopod - pyrite replacement (left: acid etched; right: natural)
Devonian Silica Shale, Lucas County, Ohio
F-04
Boring Clam Burrows Pholads sp.
photo of a Boring Clam Burrows
368
Redwood Tree Leaf - carbon film impression Sequoia sp.
photo of a Redwood Tree Leaf - carbon film impression
unknown
1279
Mammal Bone Unidentified
photo of a Mammal Bone
Paleogene (Oligocene) South Dakota