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Topic: Sarcopterygii

Related Topics

Ceratodontimorpha

Dipnoi

Neoceratodus

Actinistia

Bony fish

Fish

Tetrapoda

Vertebrata

Coelacanth

Chordate

Osteichthyes

List of biological orders

Pristiformes

Chondrichthyes

Actinopterygii

	Introduction to the Sarcopterygii (Site not responding. Last check: 2007-11-07)
		The Sarcopterygii are the lobe-finned fish and the tetrapods.
		The name Sarcopterygii (or sometimes Crossopterygii) used to refer only to the fish members of the group, but since it has become clear that the Tetrapoda evolved from sarcopterygian fish, the definition of the group has been expanded.
		The earliest lobe-finned fish are found as fossils in the Lower Devonian, and by the end of this period all major lineages had appeared.
	www.ucmp.berkeley.edu /vertebrates/sarco/sarcopterygii.html (253 words)

	Sarcopterygii - Wikipedia, the free encyclopedia
		Sarcopterygii (from Greek sarx, flesh, and pteryx, fin) is traditionally the class of lobe-finned fishes, consisting of lungfish and coelacanths.
		This level of taxonomy is in flux however; the membership of Sarcopterygii is likely to change, and it may even be discontinued as a classification.
		This page was last modified 05:24, 7 September 2005.
	en.wikipedia.org /wiki/Sarcopterygii (96 words)

	Osteichthyes (Site not responding. Last check: 2007-11-07)
		Sarcopterygii Osteichthyes are the bony fish, a group paraphyletic to the land vertebrates, which are sometimes included.
		They are traditionally treated as a class of vertebrates, with subclasses Actinopterygii and Sarcopterygii, but newer schemes may divide them into several separate classes.
		Osteichthians are characterized by a relatively stable pattern of cranial bones, rooted teeth, medial insertion of mandibular muscle in lower jaw.
	www.yotor.com /wiki/en/os/Osteichthyes.htm (405 words)

	Palaeos Vertebrates 140.000 Sarcopterygii: Overview
		It is easy to see how everything fit together in giving the Sarcopterygii a transitional role between jawed fish and the Tetrapoda.
		There are traditionally three main groups of Sarcopterygii, the Crossopterygia (no longer regarded as a valid taxon), the Coelocanths, once an important group but now limited to a single large deepwater genus, and the lungfish (Dipnoi), which are capable of breathing air and surviving out of water.
		The Sarcopterygii first appeared at least as early as the latest Silurian period.
	www.palaeos.com /Vertebrates/Units/140Sarcopterygii/140.000.html (533 words)

	Palaeos Vertebrates 140.100 Sarcopterygii
		However, all of these new fishes from the Pridoli and Lochkovian are showing us that we know much less than we thought we did and that it is time to reassess all of the possibilities.
		Sarcopterygii: used here as Danny Boy > Danio.
		However Long (2001) defines it as the crown group: Actinistia + Tetrapoda + Dipnomorpha.
	www.palaeos.com /Vertebrates/Units/140Sarcopterygii/140.100.html (1404 words)

	Timeline of evolution (Site not responding. Last check: 2007-11-07)
		Insects evolve on land and in fresh water from the myriapods.
		Some fresh water lobe-finned fish (Sarcopterygii) develop legs and give rise to the Tetrapoda.
		This happens in the water; tetrapods then use their legs to move out onto land, probably to hunt insects.
	www.sciencedaily.com /encyclopedia/timeline_of_evolution (1180 words)

	Re: When did the Sarcopterygii separate from Actinopterygii?
		It is true that tetrapods (amphibians, reptiles, mammals, birds) descended from members of the Sarcopterygii, but accepted classification schemes do not put these highly derived descendants in with the fleshy-finned fish.
		The oldest known fish are Cambrian, but these are primitive forms not assigned to either Sarcopterygii or Actinopterygii.
		According to Romer (1966), the split probably occurred in the early Silurian or late Ordovician, though the oldest known fossils of these two groups are early Devonian.
	www.madsci.org /posts/archives/feb2001/982264608.Ev.r.html (294 words)

	Palaeontology - Zerina Johanson (Site not responding. Last check: 2007-11-07)
		Ahlberg, P. and Johanson, Z. The second Tristichopterid (Sarcopterygii, Osteolepiformes) from the Upper Devonian of Canowindra, New South Wales, Australia.
		Johanson, Z. and Ahlberg, P. New tristichopterid (Osteolepiformes; Sarcopterygii) from the Mandagery Sandstone (Famennian) near Canowindra, N.S.W., Australia.
		Johanson, Z. and Ritchie, A. Rhipidistians (Sarcopterygii) from the Hunter Siltstone (Late Famennian) near Grenfell, NSW, Australia.
	www.austmus.gov.au /palaeontology/staff/johanson.htm (742 words)

	[No title] (Site not responding. Last check: 2007-11-07)
		(A) Myxiniformes (B) Petromyzontiformes (C) Ostracoderms (D) Acanthodii (E) Sarcopterygii (s04) Which of the following groups contains organisms that are jawless, have a heterocercal tail, have bony armor near the head and are extinct?
		(A) Petromyzontiformes (B) Ostracoderms (C) Placoderms (D) Holocephali (E) Acanthodii (F) Sarcopterygii (G) Elasmobranchii (s00) The chimaeras are represented in the group ______.
		(A) Sarcopterygii (B) Actinopterygii (C) Elasmobranchii (D) Holocephali (E) none of the above (s99) Which of the following are commonly called the spiny sharks?
	www.clemson.edu /biosci/Ichthyologytests/Test1-04.doc (1044 words)

	JVP Content (Site not responding. Last check: 2007-11-07)
		A new specimen of Sauripterus taylori (Sarcopterygii, Osteichthyes) from the Famennian Catskill Formation of North America
		A new specimen of the rhizodontid sarcopterygian, Sauripterus taylori (Sarcopterygii, Osteichthyes), from the Late Devonian (Famennian) Catskill Formation of Pennsylvania consists of a well-preserved right pectoral fin, girdle, and associated scales.
		Rhizodontid affinity is supported by the unique pattern of overlap between the clavicle and cleithrum, the robustness of the pectoral girdle, the presence of elongate and unjointed lepidotrichia in the pectoral fin, and the pattern of connectivity between the endochondral bones of the pectoral fin.
	www.vertpaleo.org /jvp/24-26-40.html (317 words)

	Untitled Document (Site not responding. Last check: 2007-11-07)
		nov. (Sarcopterygii, Osteichthyes) from the Lower Devonian of Yunnan, China
		(Sarcopterygii, Osteichthyes) is described from the Lower Devonian of Eastern Yunnan, China.
		This new form also shares some features with Powichthys, Youngolepis and Diabolepis that are not found in typical porolepiforms, such as intracranial joint situated at the level of the trigeminal exit, posterior face of ethmosphenoid facing posteroventrally, X-type skull table, and sutures always visible between premaxilla and the rest of the frontoethmoidal shield.
	www.vertpaleo.org /jvp/18-261-274.html (178 words)

	Zoology 225 -
		Consequently, it does not recognize the Class Reptilia, which is paraphyletic (not all species from the common ancestor are included-birds are excluded!) (birds are thought by most systematists to be derived from a line of the saurischian dinosaurs).
		Note also how the term Sarcopterygii is used in two different ways.
		T= Teleostomi, E= Euteleostomi, S = Sarcopterygii, Ch = Choanata, Te = Tetrapoda, A = Amniota,
	www.biology.ualberta.ca /courses.hp/zoo.225/synth.html (522 words)

	Amazon.ca: Books: Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes: Sarcopterygii : Actinistia}, and ... (Site not responding. Last check: 2007-11-07)
		Amazon.ca: Books: Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes: Sarcopterygii : Actinistia}, and Comparisons With Other Craniata
		We will notify you within 2-3 weeks if we have trouble obtaining this title.
		Top of Page : Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes: Sarcopterygii : Actinistia}, and Comparisons With Other Craniata
	www.amazon.ca /exec/obidos/ASIN/3805558023 (167 words)

	Devonian Times - More about Lobe-Fin Fishes
		Ray-fin fishes (Actinopterygii), which form the other lineage, are arguably the most successful of vertebrates and certainly the most successful "fishes".
		On the other hand, lobe-fins (Sarcopterygii) are currently represented only by the coelacanth (Latimeria chalumnae), and six species of lungfishes: Lepidosiren paradoxa, Neoceratodus forsteri, and four species of Protopterus.
		Tree of Life's (tolweb.org) web page on Sarcopterygii:
	www.devoniantimes.org /who/pages/lobe-fins.html (991 words)

	Sarcopterygii (Site not responding. Last check: 2007-11-07)
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		Find sarcopterygii at one of the best sites the Internet has to offer!
		Tetrapoda Sarcopterygii (from Greek sarx, flesh, and pteryx, fin) is traditionally the class of lobe-finned fishes, consisting of lungfish and coelacanths.
	ringtones4u.com /sarcopterygii.html (200 words)

	PANTHERA Multimedia (Site not responding. Last check: 2007-11-07)
		It will contain almost 100.000 (sub)species from the following Classes:
		Hagfishes (Myxinii) and Lampreys (Cephalaspidomorpha) - Cartilagious Fishes (Chondrichthyes) - Lobe-finned Fishes (Sarcopterygii) - Ray-finned Fishes (Actinopterygii) - Amphibians (Amphibia) - Reptiles (Reptilia) - Birds (Aves) and Mammals (Mammalia).
		Eventually, this enormous database will contain 30 million entries of data.
	www.panthera-multimedia.nl /home-uk.php (115 words)

	Creation-Evolution Headlines from the Bible-Science Association
		Comparison of a sample of 1000 published trees with an essentially independent standard (dates of origin of groups in geological time) shows that the order of branching has improved slightly, but the disparity between estimated times of origination from phylogeny and stratigraphy has, if anything, become worse.
		Controlled comparisons of phylogenies of four major groups (Agnatha, Sarcopterygii, Sauria and Mammalia) do not show uniform improvement, or decline, of fit to stratigraphy through the twentieth century.
		Nor do morphological or molecular trees differ uniformly in their performance.
	www.creationsafaris.com /crev1001.htm (15435 words)

	Pictures of LungFishes, Coelacanths Photographs, CLASS SARCOPTERYGII and Hagfishes, Lampreys-CLASS AGNATHA Animals
		Pictures of LungFishes, Coelacanths Photographs, CLASS SARCOPTERYGII and Hagfishes, Lampreys-CLASS AGNATHA Animals
		We recommend having a sense of awe, wonder, and reverence, for these fascinating animals in such a way that we respect and honor their existence.
		Included in the Vault are images of: SARCOPTERYGII and AGNATHA - THE PRIMITIVE and FLESHY FINNED FISHES: African Lungfish (Protopterus annectens),
	photovault.com /Link/Animals/Aquatic/fLungFishes/AAFVolume01.html?... (407 words)

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