Apr 30, 2021 · Inoceramids are bivalves related to living clams and mussels and are one of the most common marine fossils of the Late Cretaceous. Large, diverse groups of Inoceramids lived in shallow …

Ammonites were shelled cephalopods that died out about 66 million years ago. Fossils of them are found all around the world, sometimes in very large concentrations. The often tightly wound shells of …

Their fossil shells usually take the form of planispirals, although some helically spiraled and nonspiraled forms (known as heteromorphs) have been found, primarily during the Cretaceous period.

Shells are classified as “body fossils,” the preserved remains of an organism’s physical body. This distinguishes them from “trace fossils,” which are evidence of activity like footprints or burrows.

Jun 29, 2023 · Seashell fossils are formed when a sea animal with a shell dies, and their body and shell begin to decompose. Seashell fossils are more common than other fossils because the shell is hard …

Jul 6, 2023 · Discover the fascinating world of ammonites — extinct marine cephalopods. Learn about their evolution, shell structure, fossilization, and role as key index fossils in geology.

The seashells and fossils you will find during your Treasure Quest are from Africa and Asia. Our shells are from the Indo-Pacific region of Asia which includes the tropical waters of the Indian and Pacific …

Unlike bivalves, brachiopods are symmetrical along the midline of the shell, which inspired the Chinese name "stone butterflies." Their beauty and variety is illustrated by this selection donated to the …

Foundation for the study of shells, fossil and recent, with a museum for educational purposes.

Nov 11, 2025 · Ammonoid, any of a group of extinct cephalopods (of the phylum Mollusca), forms related to the modern pearly nautilus (Nautilus), that are frequently found as fossils in marine rocks …