Nautiloids

Object/Artifact

-

Crater Rock Museum

Name/Title

Nautiloids

Entry/Object ID

2011.57.129

Description

Crystal System: Hexagonal System Description: Phylum: Mollusca Class: Cephalopoda Sub-Class: Nautiloidea Common Name: Nautiloids Age: Ordovician Location: Morocco Description: Large, polished slab with multiple fossils in a linear pattern. All are banded nautiloids in a 3-D matrix with light tan to gray fossils. Physical Characteristics: Nautiloids are a large and diverse group of marine cephalopods (Mollusca) belonging to the subclass Nautiloidea that began in the Late Cambrian and are represented today by the living Nautilus. Nautiloids flourished during the early Paleozoic era, where they constituted the main predatory animals, and developed an extraordinary diversity of shell shapes and forms. Some 2,500 species of fossil nautiloids are known, but only a handful of species survive to the present day. Fracture: Conchoidal Genus: Orthonyboceras Grain Size: Fine Hardness: 3 Calcite Kingdom: Animalia (Animals) Luster: Vitreous Class: Cephalopopda Phylum: Mollusca Rock Origin: Terrestrial Rock Type: Sedimentary Streak: white Subspecies: nautiloidea

Collection

Museum Collection of Fossils

Acquisition

Accession

2011.57

Source or Donor

Museum Collection of Fossils

Acquisition Method

Long-term Loan

Dimensions

Width

21-1/2 in

Depth

2 in

Length

27-1/2 in

Location

Location

Shelf

Center, Center

Wall

North

Room

Delmar Smith Hall

Building

Crater Rock Museum

Category

Permanent

Moved By

Steve Miller

Date

August 9, 2011

Location

Room

Fossil Room

Building

Crater Rock Museum

Category

Permanent