Item Number
380
Type
image
Description
Ammonites
Size
6x8
Age
~ Mesozoic, Cretaceous
SciId
Heteroceras
Status
in inventory
Display/Storage
Display
Building
Zuhl Museum
Date Acquired
2000
Gallery/Room\Floor
History of Life Gallery
Notes
This ammonite fossil is a great example of a heteromorph ammonite. Heteromorph ammonites have uncoiled shells. Ammonites, related to the modern-day nautilus, are from a group of extinct marine mollusks in the subclass Ammonoidea. These predatory sea creatures maintained a diet of shrimp, starfish, and other small marine animals. In modern times ammonite fossils are used as index fossils because of their wide geographic distribution, well-defined period of existence in Earth’s history, and their ability to be easily identified at the species level. Index fossils are used to help determine the relative age of rock layers.
Preview
Description
This ammonite fossil is a great example of a heteromorph ammonite. Heteromorph ammonites have uncoiled shells. Ammonites, related to the modern-day nautilus, are from a group of extinct marine mollusks in the subclass Ammonoidea. These predatory sea creatures maintained a diet of shrimp, starfish, and other small marine animals. In modern times ammonite fossils are used as index fossils because of their wide geographic distribution, well-defined period of existence in Earth’s history, and their ability to be easily identified at the species level. Index fossils are used to help determine the relative age of rock layers. 12
Keywords
Ammonites This ammonite fossil is a great example of a heteromorph ammonite. Heteromorph ammonites have uncoiled shells. Ammonites, related to the modern-day nautilus, are from a group of extinct marine mollusks in the subclass Ammonoidea. These predatory sea creatures maintained a diet of shrimp, starfish, and other small marine animals. In modern times ammonite fossils are used as index fossils because of their wide geographic distribution, well-defined period of existence in Earth’s history, and their ability to be easily identified at the species level. Index fossils are used to help determine the relative age of rock layers. 2000 ~ Mesozoic, Cretaceous Fossil
Keywords
Ammonites This ammonite fossil is a great example of a heteromorph ammonite. Heteromorph ammonites have uncoiled shells. Ammonites, related to the modern-day nautilus, are from a group of extinct marine mollusks in the subclass Ammonoidea. These predatory sea creatures maintained a diet of shrimp, starfish, and other small marine animals. In modern times ammonite fossils are used as index fossils because of their wide geographic distribution, well-defined period of existence in Earth’s history, and their ability to be easily identified at the species level. Index fossils are used to help determine the relative age of rock layers. 2000 ~ Mesozoic, Cretaceous Fossil