Name/Title
GastropodEntry/Object ID
78.57.142Description
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: VetigastropodaCollection
Fossil CollectionAcquisition
Accession
78.57Source or Donor
Delmar Smith Fossil CollectionAcquisition Method
DonationDimensions
Width
4-1/2 inLength
2-1/2 inLocation
Location
Container
RightDrawer
Top ShelfShelf
RightCabinet
Case # 2Wall
WestRoom
Fossil RoomBuilding
Crater Rock MuseumCategory
Permanent