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Topic: Scaphopoda

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	Scaphopoda - LoveToKnow 1911 (Site not responding. Last check: 2007-11-06)
		SCAPHOPODA, the third of the five classes into which the Phylum Mollusca is divided.' The Scaphopoda are marine Molluscs with the body, especially the foot, adapted to a burrowing life in sand.
		Heart and blood-vessels are entirely absent; the blood is contained in sinuses which have no distinct walls or endothelial lining, and the principal of which are the perianal, the pedal, the visceral and the pallial.
		It is remarkable that in Scaphopoda only among Mollusca the blood-spaces are in communication with the external medium: a pair of apertures near the renal openings lead from the perianal sinus to the exterior and allow the blood to escape during violent contractions of the body.
	www.1911encyclopedia.org /S/SC/SCAPHOPODA.htm (1467 words)

	Introduction to the Scaphopoda
		The Scaphopoda are a distinctive group of molluscs commonly known as the "tusk shells" because their shells are conical and slightly curved to the dorsal side, making the shells look like tiny tusks (see the photos below).
		The scientific name Scaphopoda means "shovel foot", a term that refers to the "head" of the animal, which lacks eyes and is used for burrowing in marine mud and sediments.
		Scaphopoda images listings at Eddie's Shell Catalogue, which illustrates a number of other mollusks as well.
	www.ucmp.berkeley.edu /mollusca/scaphs/scaphopoda.html (842 words)

	Palaeos Metazoa: Mollusca: Cyrtosoma: Scaphopoda
		Scaphopoda first appear in the Ordovician (see also Reynolds for references for the Ordovician date) or the Devonian (Engeser and Riedel) or even the Mississippian, depending on one's interpretation of the earliest forms.
		The Class Scaphopoda is divided into two orders, the Dentaliida and the Gadilida or Siphonodentalioida).
		The latter is distinguished by the constriction of the anterior aperture and the shape of the central tooth of the radula (Reynolds.
	www.palaeos.com /Invertebrates/Molluscs/Cyrtosoma/Scaphopoda.html (669 words)

	The Scaphopod Page
		The Scaphopoda are a class of benthic infaunal molluscs that are characterized by a univalve, tusk-shaped shell that is open at both ends.
		This division is based primarily on the constriction of the anterior aperture in the Gadilida and the shape of the central tooth of the radula (Emerson, 1962), although there are also several shell, radular and anatomical differences between the two groups, as enumerated by Scarabino (1979) and Steiner (1992b).
		While all maintain the dichotomy of the Scaphopoda into the orders Dentaliida and Gadilida, each scheme presents a different distribution of genera among family groups (Staurobogatov,1974; Palmer, 1974; Chistikov, 1975, 1978; Steiner 1992b; Scarabino, 1995).
	academics.hamilton.edu /biology/preynold/Scaphopoda (1121 words)

	Palaeos Metazoa: Mollusca: Phylogeny
		During the 90s the two competing hypotheses of evolutionary relationships among conchiferan molluscs: the Diasoma-Cyrtosoma concept recognizing the clades (Tryblidiida, (Bivalvia, Scaphopoda), (Gastropoda, Cephalopoda)); and the Helcionellid concept with (Tryblidiida, (Bivalvia, (Gastropoda, Scaphopoda, Cephalopoda))).
		Recently, Waller (1998) has overturned this traditional view by proposing that the Scaphopoda and Cephalopoda are sister groups within the subphylum Cyrtosoma.
		After the separation of the gastropod lineage, the stem-group of Scaphopoda and Cephalopoda comprised high-shelled, dorsoventrally elongated helcionellids with a deep mantle cavity, multiple cephalic feeding tentacles, and a circular area of muscle-shell connection.
	www.palaeos.com /Invertebrates/Molluscs/Mollusca.Phylogeny.html (2179 words)

	Fossil Scaphopoda (Site not responding. Last check: 2007-11-06)
		The Scaphopoda are commonly regarded as a class of the Mollusca.
		The larval conch of the Scaphopoda strongly resembles the adult conch of a conocardiod rostroconch.
		The evolution of the Scaphopoda and its implications for the systematics of the Rostroconchia (Mollusca).
	userpage.fu-berlin.de /~palaeont/fossilscaphopoda/welcome.htm (2194 words)

	SCAPHOPODA - Online Information article about SCAPHOPODA (Site not responding. Last check: 2007-11-06)
		SCAPHOPODA, the third of the five classes into which the Phylum See also:
		Mollusca is divided.' ' The Scaphopoda are marine Molluscs with the See also:
		It is remarkable that in Scaphopoda only, among Mollusca the blood-spaces are in communication with the See also:
	encyclopedia.jrank.org /SAR_SCY/SCAPHOPODA.html (1724 words)

	MavicaNET - Hyrnuskeljar (Scaphopoda) (Site not responding. Last check: 2007-11-06)
		The Scaphopoda are a distinctive group of molluscs commonly known as the "tusk shells" because their shells are conical and slightly curved to the dorsal side, making the shells look like tiny tusks (see the photos below).
		The scientific name Scaphopoda means "shovel foot", a term that refers to the "head" of the animal, which lacks eyes and is used for burrowing in marine mud and sediments.
		The Scaphopods (Class Scaphopoda) are a small but interesting class of Molluscs.
	www.mavicanet.com /lite/isl/7136.html (241 words)

	steiner, g. publications
		Phylogeny of Scaphopoda (Mollusca) in the light of new anatomical data on the Gadilinidae and some Problematica, and a reply to Reynolds.
		Steiner, G. and Linse, K. Systematics and distribution of the Scaphopoda (Mollusca) in the Beagle Channel (Chile).
		The organization of the pedal musculature and its connection to the dorsoventral musculature in Scaphopoda (Mollusca).
	www.univie.ac.at /systematische-zoologie/publications.htm (400 words)

	Scaphopoda (Phylum Mollusca)
		Hello, my name is Seymour Scaphopoda and I'm here to tell you about my Class, the Scaphoda.
		Scaphopoda shells (many of them from Vancouver Is, British Columbia) were the shells used to make the North American Indian trade money "Wampum"
		Taxonomy of the Phylum Mollusca Voyages of the H.M. Bark Endeavour and its Replica
	www.manandmollusc.net /beginners_intro/scaphopoda.html (469 words)

	Patrick Reynolds Home Page
		The phylogeny and classification of Scaphopoda (Mollusca): an assessment of current resolution and cladistic reanalysis.
		Distribution and ultrastructure of ciliated sensory receptors in the posterior mantle epithelium of Dentalium rectius (Mollusca, Scaphopoda).
		Functional morphology of the perianal sinus and pericardium of Dentalium rectius (Mollusca: Scaphopoda) with a reinterpretation of the scaphopod heart.
	academics.hamilton.edu /biology/preynold (1030 words)

	References (Fossil Scaphopoda) G-H (Site not responding. Last check: 2007-11-06)
		Goncharova, I. On classification and systematic composition of Upper Paleogene and Neogene Scaphopoda of southern part USSR.
		The Lignitic Stage Part II Scaphopoda, Gastropoda, Pteropoda and Cephalopoda.
		Heering, J. Pelecypoda (and Scaphopoda) of the Pliocene and older Pleistocene deposits of The Netherlands.
	userpage.fu-berlin.de /~palaeont/fossilscaphopoda/G_H.HTM (2461 words)

	BOTW Directory - Science > Biology > Plants and Animals > Animalia > Mollusca > Scaphopoda
		Biolib Scaphopoda - Contains information on taxonomic profile, member species, hierarchical level as well as latin and vernacular names.
		Class Scaphopoda (Tusk shells) - Discusses diversity, habitat, physical description, taxonomic history, reproduction and behavior.
		Overview of the Conservation of Australian Marine Invertebrates, Scaphopoda (Tusk Shells) - Contains information on physical features, population and distribution in the area.
	botw.org /top/Science/Biology/Plants_and_Animals/Animalia/Mollusca/Scaphopoda (242 words)

	Tusk shell - Wikipedia, the free encyclopedia
		The tusk shells are a class Scaphopoda of marine mollusks distinguished by openly curved planispiral tubular shells open at both ends, resembling an elephant's tusk (thus the name).
		They are mostly small, with some species reaching 15 centimeters long, and live in the bottom sediment where they feed on microscopic detritus and organisms such as foraminifera.
		Steiner, "Phylogeny and classification of Scaphopoda", Journal of Molluscan Studies 58:385-400 (1992)
	en.wikipedia.org /wiki/Scaphopoda (251 words)

	MacNeil and Dockery (1984) Lower Oligocene Gastropoda, Scaphopoda, and Cephalopoda of the Vicksburg Group in Mississippi (Site not responding. Last check: 2007-11-06)
		MacNeil and Dockery (1984) Lower Oligocene Gastropoda, Scaphopoda, and Cephalopoda of the Vicksburg Group in Mississippi
		Lower Oligocene Gastropoda, Scaphopoda, and Cephalopoda of the Vicksburg Group in Mississippi
		Gastropoda, Fossil; Scaphopoda, Fossil; Cephalopoda, Fossil; Paleontology; Oligocene; Mississippi
	www.getcited.org /pub/102513036 (50 words)

	References (Fossil Scaphopoda) T-Z (Site not responding. Last check: 2007-11-06)
		New specimens of Prodentalium raymondi Young (Scaphopoda) from the Pennsylvanian of Texas.
		Discovery of Dentalium (Dentaliidae, Scaphopoda) from Lower Cretaceous of Gucuo Village, Nyalam, southern Xizang (Tibet).
		Young, John A. Pennsylvanian Scaphopoda and Cephalopoda from New Mexico.
	userpage.fu-berlin.de /~palaeont/fossilscaphopoda/T_Z.HTM (2598 words)

	Mollbase.de > Scaphopoda (Site not responding. Last check: 2007-11-06)
		This class of marine mollusca has a worldwide distribution and is known from all depths as well as from numerous fossil records.
		This page will be continously enlarged, up to now you can search the database of publications on recent and fossil Scaphopoda (more than 2800 titles).
		This webpage should be cited as "Scaphopoda of the World - Database www.mollbase.de/scaphopoda/ (Version: 24.10.2006)"
	www.mollbase.org /scaphopoda/index.php (151 words)

	Class Scaphopoda 1
		The Class Scaphopoda contains about 400 species of molluscs called tooth or tusk shells, all of which are marine.
		Scaphopods range in size from 4 to 25 cm long (although most species are 2.5-5 cm in length).
		Note: This page is best viewed at a screen size of 800 X 600 pixels
	bioweb.uwlax.edu /zoolab/Table_of_Contents/Lab-5a/Class_Scaphopoda_1/class_scaphopoda_1.htm (209 words)

	Definition of scaphopoda - Merriam-Webster Online Dictionary (Site not responding. Last check: 2007-11-06)
		Click here to search for another word in the Merriam-Webster Online Dictionary.
		Visit Britannica.com for more information on "scaphopoda "
		Get the Top 10 Search Results for "scaphopoda "
	www.bonus.com /contour/merriam_webster/http@@/www.m-w.com/dictionary/scaphopoda (55 words)

	Scaphopoda - Dictionnaire Français-Anglais WordReference.com
		We found no English translation for 'Scaphopoda' in our French to English Dictionary.
		Or did you want to translate 'Scaphopoda' from English to French?
		Forum discussions with the word(s) 'Scaphopoda' in the title:
	www.wordreference.com /fren/Scaphopoda (49 words)

	Su-Jine: Top: Science: Biology: Flora_and_Fauna: Animalia: Mollusca: Scaphopoda: (Site not responding. Last check: 2007-11-06)
		Su-Jine: Top: Science: Biology: Flora_and_Fauna: Animalia: Mollusca: Scaphopoda:
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	www.su-jine.com /dmoz/dir/Science/Biology/Flora_and_Fauna/Animalia/Mollusca/Scaphopoda (94 words)

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