Browse Items (8 total)

(DSM# CH) It is believed that mosasaurs gave birth to live babies rather than laying eggs. These very small vertebrae could belong to the small species of mosasaur listed here or they may be the backbones of the baby of a much larger species.

(DSM DH13) Extinct family of large fish sometimes called the "saber-toothed herring". Enchodus were common in Late Cretaceous seas and survived the K-Pg extinction event. They went extinct in the Eocene.

(DSM# 10757) Steinkern (internal mold) of clam. There is only one living genus in the family Arcticidae.

(DSM# 1855) Extinct genus of marine snail

(DSM# M76) Extinct species - This species of Gyrodes (moon snail) was a relatively common predatory snail found in the Cretaceous Western Interior Seaway.

(DSM# M50) Extant genus - Lunatia (moon snail) are predatory snails that feed primarily on clams and oysters.

(DSM# M38) Extant genus - Conus sp. (cone snail) are marine snails that hunt and feed upon vertebrates and invertebrates. Living cone snails are highly poisonous.

(DSM# 10667) Extinct genus - Pterocerella (pelican foot snail) was a highly ornamented detritivore (bottom feeding) species of snail.