Gastropod

Object/Artifact

-

Crater Rock Museum

Name/Title

Gastropod

Entry/Object ID

78.57.142

Description

Crystal System: Hexagonal System Description: Phylum: Mollusca Class Gastropoda Sub-Class: Vetigastropoda Common Name: Snail Fossil Age: Jurassic Location: Hornbrook Formation, near Jacksonville, Oregon Description: One gastropod in sandstone concretion. A single-valved, coiled shell. Physical Characteristics: The Gastropoda or gastropods, more commonly known as snails and slugs, are a large taxonomic class within the phylum Mollusca. The class Gastropoda includes snails and slugs of all kinds and all sizes from microscopic to quite large. There are huge numbers of sea snails and sea slugs, as well as freshwater snails and freshwater limpets, and land snails and land slugs. The class Gastropoda contains a vast total of named species, second only to the insects in overall number. The fossil history of this class goes back to the Late Cambrian. There are 611 families of gastropods, of which 202 families are extinct, being found only in the fossil record.[3] Fracture: Conchoidal Grain Size: Fine Hardness: 3 Calcite Kingdom: Animalia (Animals) Luster: Vitreous Class: Cephalopoda Phylum: Mollusca Rock Origin: Terrestrial Rock Type: Sedimentary Streak: white Subfamily: Vetigastropoda

Collection

Fossil Collection

Acquisition

Accession

78.57

Source or Donor

Delmar Smith Fossil Collection

Acquisition Method

Donation

Dimensions

Width

4-1/2 in

Length

2-1/2 in

Location

Location

Container

Right

Drawer

Top Shelf

Shelf

Right

Cabinet

Case # 2

Wall

West

Room

Fossil Room

Building

Crater Rock Museum

Category

Permanent