[DOC] [TLE] The Cephalopoda - University of California Museum of Paleontology [PAR] Jump to branches within the Mollusca tree ... Squid, octopuses, cuttlefish, the 
chambered nautilus, and their relatives display ... All members of these clades 
were squid-like, but had straight external shells called orthocones. .... only one 
living shelled genus, Nautilus) and Coleoidea (squids, cuttlefish, octopuses, the 
Ram's... [DOC] [TLE] Nautilus - Wikipedia [PAR] The nautilus is a pelagic marine mollusc of the cephalopod family Nautilidae, the 
sole extant family of the superfamily Nautilaceae and of its smaller but near equal 
suborder, Nautilina. It comprises six living species in two genera, the type of 
which is the genus .... To swim, the nautilus draws water into and out of the living 
chamber with its... [DOC] [TLE] Cephalopod - Wikipedia [PAR] A cephalopod is any member of the molluscan class Cephalopoda These 
exclusively marine ... About 800 living species of cephalopods have been 
identified. .... Cephalopods are the only mollusks with a closed circulatory system. 
Coleoids have two .... Nautiluses are the only extant cephalopods with a true 
external shell. [DOC] [TLE] Aquarium of the Pacific | Online Learning Center | Chambered ... [PAR] This cephalopod with an external shell is considered primitive compared to its ... 
The chambered nautilus (Allonautilus and Nautilus species) is the only living... [DOC] [TLE] Chambered Nautilus Shells - Nautilidae - Naples Sea Shell Company [PAR] ... and cuttlefish. There are many interesting facts about these sea shells. ... 
Cephalopods are the most highly evolved mollusks. They have a well ... Nautilus 
are the only cephalopod to have a true external shell. Naturalists ... Nautilus are 
considered living fossils because they have been traced back 500 million years. [DOC] [TLE] Phylum Mollusca, Class Cephalopoda [PAR] In some the shell is external, but in the most familiar cephalopods the shell is 
internal or absent. Cephalopods ... Examine a specimen of the chambered 
nautilus. This organism is the only living cephalopod with an external shell. The 
coiled... [DOC] [TLE] Mollusks [PAR] CEPHALOPODS of today live only in seawater and include the squid, ... 
Furthermore, in cephalopods with an external conch, the coiled shell is 
chambered. [DOC] [TLE] PBS - The Voyage of the Odyssey - Track the Voyage - Papua New ... [PAR] Aug 3, 2001 ... Represented by only a single genus, the chambered nautilus is an ... The 
Nautilus is the only living cephalopod to retain an external shell,... [DOC] [TLE] Chambered nautilus, Reefs & Pilings, Octopuses & kin, Nautilus sp ... [PAR] octopuses, squid, cuttlefish; Phylum: Mollusca; Class: Cephalopoda ... A native of 
the tropical Pacific, this cousin of the octopus is a living link with the pastlittle 
changed for more ... The nautilus is the only cephalopod with an external shell. [DOC] [TLE] cephalopod - Form and function | class of mollusks | Britannica.com [PAR] May 9, 2016 ... The octopus, squid, cuttlefish, and chambered... ... The nautiloids and ammonites 
were probably shallow-water animals living near the bottom and, like .... to 
Cretaceous; fossils only; external, coiled or straight chambered shell... [DOC] [TLE] Molluscs and Annelids [PAR] Molluscs include the largest invertebrates (giant squid) and the smartest .... With 
the exception of the Nautilus, cephalopod molluscs lack an external shell. The 
chambered nautilus enlarges its shell as it grows, living only in the largest outer... [DOC] [TLE] Defensive Adaptations for Cephalopods | Animals - mom.me [PAR] The only living cephalopods with an external shell, nautiluses catch fish with their 
short tentacles. Often called the chambered nautilus in reference to their shells... [DOC] [TLE] Cephalopods - sea, depth, oceans, effects, largest, source, marine ... [PAR] All cephalopods live in the marine environment, where they are carnivores. ... 
While most other mollusks have hard external shells, most cephalopods do not. ... 
including the latest and largest chamber in which the adult Nautilus lives. ... The 
Nautilus ' shell is thin, only 1 or 2 millimeters (less than a tenth of an inch), but... [DOC] [TLE] Phylum Mollusca - UMORF | University of Michigan Online ... [PAR] Bivalves are

Question: This chambered mollusk is the only living cephalopod with an external shell
Answer: Nautilus