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Topic: Orthoceras

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Goniatite

Cephalopod

Genus

Scientific classification

	Maison Sijilmassa Orthoceras & Ammonite Prehistoric Primer
		Orthoceras and ammonites - the embedded animal forms seen throughout our unique fossil marble - are prehistoric marine life that existed in ancient seas between the Ordovician and Devonian periods, and the Jurassic and Cretaceous periods.
		Orthoceras, meaning “straight horn”, refers to a particular fossil genus of European and North African nautiloid cephalopods that existed from the middle Ordovician Period to the Devonian Period, or between 470 to 360 million years ago.
		As orthoceras and ammonites died, their shells accumulated in great numbers on the sea floor where they were aligned by currents, buried by sediments, and transformed over the ages into stone by various natural physical and chemical processes.
	www.maisonsijilmassa.com /prehistoricprimer.htm (479 words)

	Orthoceras Fossil Specimens
		Size: 13" Long x 9" WideA wonderful plate for the orthoceras enthusiast, it is packed with over a dozen specimens of varying sizes and weighs 10lbs.
		Orthoceras are the ancestral cousin of the modern squid or octopus...
		The ammonite and the orthoceras inhabited the sea from 250-500 million years ago.
	www.bambuddhas.com /thestore/FO.html (138 words)

	Orthoceras Fossil Red Marble (Site not responding. Last check: 2007-10-14)
		has a rare fossils called orthoceras fossil (meaning "straight horn") were primitive types of nautiloids that looked like squid with a long, straight (or slightly curved), conical, chambered, and furrowed shell.
		Orthoceras lived from the middle Ordovician Period to the Devonian Period, from about 470 to 360 million years ago.Fossil brown marble has also rare and exotic fossils called Ammonite Fossils.An ammonite is a cephalopod which once swam in shallow marine seas and became extinct at the end of the Cretaceous period (65 million years ago).
		Orthoceras fossil red marble is exclusively found only in Morocco.
	www.pietranaturalstone.com /orthocerasfossilredmarble.html (363 words)

	Orthoceras Fossil Classification
		Orthoceras fossils are the remains of an invertebrate, no backbone, that belongs to the Phylum Mollusca.
		The disagreement has to do with the time period the orthoceras fossils come from and the geographic location in which they are found.
		To further confuse the issue all members of the order Orthocerida are commonly referred to as orthoceras.
	www.fossils-facts-and-finds.com /orthoceras_fossil.html (209 words)

	Orthoceras Fossils, Malachite, Scarab Beads, Heishi Beads - Turtle Feathers (Site not responding. Last check: 2007-10-14)
		Orthoceras are extinct members of the cephalopod family.
		The 350 - 400 million year old Devonian age orthoceras are ancestors of the squid and octopus.
		Orthoceras were among the most advanced of the invertebrates having a sophisticated nervous system, eyes and jaws.
	www.turtlefeathers.com /text/natural-products/stones.html (363 words)

	Fossils (Site not responding. Last check: 2007-10-14)
		The Orthoceras were very active animals who swam in warm shallow waters by pushing water out of their body cavities.
		At the time of the emergence of the Orthoceras (the Ordovician Period 500 million years ago), there was a great submergence of the lands with the spread of the shallow seas.
		The Orthoceras was a carnivorous, shelled cephalopod who at times grew to be 6 feet long.
	www.blackstonemill.com /Fossils.htm (204 words)

	Fossil fish, Ammonites, Orthoceras and other Fossils
		This is a large, polished fossil orthoceras specimen.
		Orthoceras was a marine cephalopod, this particular species was straight shelled and they thrived some 400+ million years ago in the Paleozoic era.
		This is an Orthoceras fossil specimen with two polished specimens.
	www.therockshed.com /fossils2.html (1016 words)

	Ammonite and Orthoceras stoppers
		Orthoceras is on the left, an ammonite on the right.
		Even though they were among the earliest forms of life, this class of nautiloid is still considered one of the most intelligent forms of ocean life.
		These Orthoceras specimens are from the Atlas Mountains in Morocco.
	tucsonturnings.com /fossils.htm (317 words)

	Orthoceras: Nautiloid of The Paleozoic Era
		Orthoceras was an ancient mollusk that lived more than 400 million years ago.
		All the living relatives of these nautiloids, squid, octopus, cuttlefish, and nautilus are predators, and we can assume that orthoceras was also a hunter of the Paleozoic seas, possibly having trilobites for breakfast!
		The septa are the short curved lines that run across or side to side.
	www.fossils-facts-and-finds.com /orthoceras.html (257 words)

	Fossil 2000: Orthoceras (Site not responding. Last check: 2007-10-14)
		The orthoceras fossils mainly come from the atlas mountains, Morocco.
		Being a cephalopod, orthoceras was similar to the modern
		squid except orthoceras had a straight or slightly curved shell.
	www.fossil2000.co.uk /orthoceras.html (53 words)

	Iron isn't just for buildings any more
		This wall hanging (14" H by 15" Wide) is made with pieces of 1/4" round solid iron and a Trilobite fossil. Mysteriously, Trilobites vanished from the seas 225 million years ago. $400.00 plus shipping.
		This table (16" H x 38" W x 22.5" D) is made of 16 gauge 1.25" square tube and has a polished fossil top. The Orthoceras fossil is approximately 400,000,000 years old and is an ancestor of the modern squid and octopus. The table is priced at $1000.00 plus shipping.
		This night stand is made with iron and the top is autumn slate. The drawer and sides are of birch wood. The tables stands 27" high and is 16" x 16" square. The price is $500.00 plus shipping.
	www.ironmanstan.com (150 words)

	Orthoceras and Other Fossils
		Free standing polished orthoceras sculpture about 30cm (1 foot) high. The fossils are polished and raised from the matrix which has a contrasting rough finish. The base is sawn flat so that it can stand upright. This piece is from Morocco and around 400 million years old. Orthoceras are related to squid and octopus.
		Free standing polished orthoceras sculpture about 50cm (over 18 inches) high. The fossils are polished and raised from the matrix which has a contrasting rough finish. The base is sawn flat so that it can stand upright. This piece is from Morocco and around 400 million years old. Orthoceras are related to squid and octopus.
		Free standing polished orthoceras sculpture about 45cm (18 inches) high. The fossils are polished and raised from the matrix which has a contrasting rough finish. The base is sawn flat so that it can stand upright. This piece is from Morocco and around 400 million years old. Orthoceras are related to squid and octopus.
	www.spectrumwellbeing.co.uk /acatalog/Fossils.html (236 words)

	Orthoceras
		From Morocco, this vase has Orthoceras fossils that are about 400 million years old.
		This octagonal box is made of Black Marble with clear Orthoceras and Ammonite fossils present.
		The orthoceras was an ancient squid that had a horn shaped hard shell for protection.
	www.prestostore.com /cgi-bin/store.pl?ref=relics&ct=6765 (193 words)

	Patty's Fossils Gift Store Blessings of the Earth
		Approximately 400,000,000 years old, Orthoceras are ancestral cousins of the modern squid and octopus.
		The word orthoceras means "Straight Horn" and refers to its shape.
		Note: A description card is included with every purchase and please note the dimensions of each fossil vary and not any two fossils are the same.
	www.pattysheart.com /fossils.asp (470 words)

	About Toad Hollow Orthoceras (Site not responding. Last check: 2007-10-14)
		Orthoceras is the name for European species; those found in North America are called Michelinoceris.
		Pictured are polished fossil Orthoceras from Toad Hollow's Mineral Barn.
		Top-drilled Orthoceras are also available for jewelry-making in Toad Hollow's Bead Room.
	www.toadhollowbeads.com /ASOrthocer.htm (108 words)

	Orthoceras Fossil Specimens: Bambuddhas
		A wonderful plate for the orthoceras enthusiast, it is packed with over a dozen specimens of varying sizes and weighs more...
		This 500 million year old orthoceras makes a wonderful addition to any fossil collection.
		The ammonite and the orthoceras inhabited the sea from more...
	www.bambuddhas.com /Merchant2/merchant.mvc?Screen=CTGY&Category_Code=FO (109 words)

	ORTHOCERAS
		he term 'straight' cephalopods is used here to describe fossil examples of straight ammonoids called Baculites, straight nautiloids called Orthoceras and Belemnites.
		Their bodies were predominantly elongate with conical shells.
		Straight cephalopods probably lived for one to six years, with the majority living two to four years.
	www.paleodirect.com /strceph1.htm (425 words)

	ORTHOCERAS
		This is a superb single giant slab filled with wonderful and completely natural orthoceras fossils given a high polish to better view the creature from its surrounding matrix.
		Now extinct, the 345 - 395 million year old Devonian age orthoceras, meaning "straight horn", is an ancestor of the squid and octopus.
		Very rarely do we offer such massive specimens but even more importantly, this specific rare piece has an individual fossilized animal that is the largest we've come across.
	www.paleodirect.com /or5001.htm (357 words)

	Keichousaurus Fossils, Ammonites, Orthoceras, Trilobites, Amber. Rolla Missouri
		Whether you are looking for a souvenir for a child, or nice piece for a collector, The Old World Trader has plenty to choose from.
		Among our most exciting current pieces, we have large ammonite and orthoceras sculptures, keichousaurus, mammoth tusk, and a 21 inch diplomystus fish fossil.
		We also have amber (with or without insect inclusions), goniatites, split and polished ammonites, orthoceras plates, brachiopods, other fish, leaves, echinoids, trilobites, gastropods, and more.
	www.theoldworldtrader.com /fossilsamberinsect.html (151 words)

	Orthoceras plaques
		The Orthoceras fossils are raised and polished and the matrix is left rough.
		Please note, as these are representative specimens,sizes and shapes may vary a little.
		The fossils have been polishd and the matrix is left rough.
	pangaeaindustries.com /orthoplaques.htm (215 words)

	Orthoceras Goblet, Short SALE! Only $29 (was $35): Mama's Minerals
		This fantastic goblet is created from a fl marble matrix that displays dozens of Orthoceras and other ancient marine fossils.
		White calcite replacement shows the fossils in intricate detail, similar to an x-ray image of bones.
		Orthoceras are extinct cephalopods that lived in the ocean that once covered the Sahara Desert about 400 million years ago (during the Devonian Period).
	www.mamasminerals.com /page/MM/PROD/FOS-OGOSH (190 words)

	Necklace - Sterling With Orthoceras and Stone Pendant - Jarretts Jade Jewelry & Small Antiques - Antique & Collectible ...
		Necklace - Sterling With Orthoceras and Stone Pendant
		Dramatic 2" pendant featuring the fossil Orthoceras accented by three beautiful moonstones.
		Orthoceras fossils date back to the Silurian Age 400 + million years ago and are the earliest recognizable animals.
	www.tace.com /my_items/items_forsale/bjarrett/20042.html (150 words)

	Fossils: Buy Fossils, Dinosaur Bones, Plant Fossils, and other material at Treasures of the Earth.
		Not an imprint on the skull cap, but the actual brain itself was fossilized.
		Being a CEPHALOPOD, ORTHOCERAS was similar to the modern squid except ORTHOCERAS had a straight or slightly curved shell.
		Another way to describe the ORTHOCERAS would be a NAUTILUS with a straight, pointed shell.
	www.ctcnet.net /treasure/fossilsO.htm (453 words)

	Befallsmechanismen des hyperparasitischen Pilzes Fusarium oxysporum f.sp. orthoceras gegenüber Orobanche cumana, ... (Site not responding. Last check: 2007-10-14)
		orthoceras gegenüber Orobanche cumana, einem parasitischen Unkraut der Sonnenblume
		Interactions between the parasitic weed Orobanche cumana (sunflower broomrape) and its hyperparasite Fusarium oxysporum f.sp.
		orthoceras) als biologisches Kontrollagens stellen wirksame Möglichkeiten der Kontrolle des Pathogens dar.
	www.uni-hohenheim.de /i3v/00217110/02224041.htm (267 words)

	Orthoceras Plate Large
		These now extinct mollusks have a long, slender, chambered shell that tapers to a point.
		Orthoceras first appears in the fossil record about 450 — 500 million years ago.
		It populated mostly warm, shallow seas, and swam near the sea floor with its tentacled body pointing down, and the buoyant shell rising above it.
	www.enaturesart.com /store/store.php?crn=70&rn=349&action=show_detail (112 words)

	Orthoceras designer cab Silverhawk's designer gemstones.
		Offered here is a cabochon cut from flish marble that includes an orthoceras fossil, found in Morocco's Sahara desert.
		The orthoceras fossil lived more than 400 million years ago, an extinct ancestor of our present-day squid, octopus, nautilus and cuttlefish.
		In this example, you can clearly see several of the shell's chambers, preserved in contrasting white and gray.
	www.samsilverhawk.com /11706cabs/orthoceras.html (94 words)

	Orthoceras fossils
		Orthoceras are prehistoric cephlopods related to the modern day squid, cuttlefish, and octopus.
		They are found in the Sahara Desert, Morocco.
		Click here for more details on what an orthoceras is.
	www.fossilsplus.com /orthocerasselectr.htm (39 words)

	Orthoceras Fossil Sculpture from Great South Gems and Minerals online catalog
		Orthoceras Fossil Sculpture from Great South Gems and Minerals online catalog
		The matrix has been chiseled away to accentuate the highly polished orthoceras fossils.
		All of these sculptures are very similar to the one pictured.
	www.greatsouth.net /fossils/p-F1127.html (95 words)

	Orthoceras and pearl necklace - moodspheres.com (Site not responding. Last check: 2007-10-14)
		Real fossil orthoceras specimens from morocco, polished and set in a silver frames, linked together by silver chain and interspaced with pearls to form a unique necklace.
		The 925 silver frames are open at the back.
		Web site design, graphics and all content Copyright © Pete Sawyer 2001-2004 unless otherwise stated.
	www.newsconfidential.com /MC/MC_Detail.php?RequestID=43 (198 words)

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