(unnumbered) Petrified wood often exhibits a combination of replacement and permineralization. This specimen clearly shows how the cell walls have been replaced with minerals. The cells themselves are also filled in some cases.
(DSM #10716) This Mosasar shoulder blade shows signs of being scavenged by shark after death. This indicates that the creature was on the sea floor for a while after it died.
(unnumbered) Plant fossils can be extremely useful in studies to determine past climates. They can also be used to better understand the relationships between plants and insects.