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Topic: Actinistia

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	Untitled Document (Site not responding. Last check: 2007-10-29)
		Within the lobe-fined fishes are two major subgroups, the Actinistia (Coelacanths and extinct lineages) and the Dipnoi (lungfishes).
		The fins have fleshy, paddle-like paired fins, with heavy bony elements that connect the distal portions of the fins with the pelvic and pectoral girdles (sometimes the fins are modified into much thinner appendages as in some lungfish).
		The Actinistia consist of the extant coelacanths and related extinct groups.
	www.zoology.ubc.ca /~etaylor/426www/lectures/boney_fishes.htm (362 words)

	New Page 12
		Their fossil record starts in the early Devonian although the more primitive taxa seem to appear later indicating the stratigraphical distribution does not match closely the current accepted pattern of their interrelationships and hence much of their development must have occurred much earlier than the fossil record would suggest.
		Onychodontiformes, Actinistia (including the extant coelacanth, Latimeria), Dipnomorpha (including the Dipnoi, lungfishes), Rhizodontiformes, Osteolepiformes, Panderichthydia and the Tetrapoda.
		The fossil record begins in the Giventian, with the number of species increasing from the Devonian to Carboniferous, they decrease in the Permian, peak in the Triassic, decrease to the end of the Cretaceous, then disappear from the fossil record from the Tertiary.
	www.btinternet.com /~vendian/FOSSILWEB/new_page_12.htm (259 words)

	Craniata
		The Sarcopterygii are known as “fleshy-finned” fish because the skeletal support for their paired fins extends outside of the body wall.
		The entire group is often called “lobe-finned” as well, making for some confusion between the group as a whole and the subgroup Actinistia.
		The Actinistia are represented by only one extant form, a "living fossil" called the coelacanth from the Indian Ocean.
	online.sfsu.edu /~biol240/labs/lab_21chordatediversity/pages/craniata.html (992 words)

	Coelacanth - TheBestLinks.com - Actinistia, Animal, Chordate, Comoros, ... (Site not responding. Last check: 2007-10-29)
		Actinistia, Coelacanth, Animal, Chordate, Comoros, Cretaceous, DNA, Fossil...
		Tissue samples were taken using a dart probe.
		Coelacanthimorpha or Actinistia are sometimes used to designated the group of Sarcopterygii animals that contains the Coelacanthiformes.
	www.thebestlinks.com /Actinistia.html (876 words)

	Actinistia Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-10-29)
		Looking For actinistia - Find actinistia and more at Lycos Search.
		Find actinistia - Your relevant result is a click away!
		Coelacanthimorpha or Actinistia are sometimes used to designate the group of Sarcopterygian fishes that contains the Coelacanthiformes.
	www.karr.net /search/encyclopedia/Actinistia (1168 words)

	Palaeos Vertebrates 140 Sarcopterygii: References
		Actinistia, Canowindridae, Dipnomorpha; Elpistostegalia, Megalichthyidae, Osteolepididae, Osteolepiformes, Overview, Porolepiformes, Rhizodontiformes, Youngolepis.
		Long, JA (1995), The Rise of Fishes: 500 Million Years of Evolution.
		Actinistia, Canowindridae, Megalichthyidae, Onychodus, Osteolepididae, Osteolepiformes, Porolepiformes; Powichthys; Rhizodontiformes, Youngolepis.
	www.palaeos.com /Vertebrates/Units/140Sarcopterygii/140References.html (1104 words)

	Amazon.de: Bücher: Cranial Nerves of the Coelacanth, Latimeria Chalumnae /Osteichtyes: Sarcopterygii: Actinistia ... (Site not responding. Last check: 2007-10-29)
		Amazon.de: Bücher: Cranial Nerves of the Coelacanth, Latimeria Chalumnae /Osteichtyes: Sarcopterygii: Actinistia and Comparisons with other Craniata.
		Cranial Nerves of the Coelacanth, Latimeria Chalumnae /Osteichtyes: Sarcopterygii: Actinistia and Comparisons with other Craniata.
		Zum Seitenanfang : Cranial Nerves of the Coelacanth, Latimeria Chalumnae /Osteichtyes: Sarcopterygii: Actinistia and Comparisons with other Craniata.
	www.amazon.de /exec/obidos/ASIN/3805558023/digitalphot00-21 (348 words)

	DINOFISH.COM - Weird Bodies Frozen in Time
		The classification of coelacanths is a murky business with more than one vairation in the class category, but we'll give it a shot.
		Kingdom: Animalia, Phylum: Chordata, Class: Pices (fishes), Sub class: Gnathostomata- jawed fishes, Sub class: Teleostei- bony fishes (though cartilaginous, coelacanths are usually classed with the teleosts), Sub class: Sarcopterygii (lobed-finned fishes), Order: Crossopterygii, Family: Actinistia (coelacanths), Gennus: Latimeria, Species: chalumnae and menadoensis.
		The coelacanth appears to be a cousin of Eusthenopteron, the fish once credited with growing legs and coming ashore-360 million years ago- (today scientists prefer to cite the tongue-twisting fossil candidates: icthyostega, panderichthyes, and acanthotega) as the ancestor(s) of all tetrapods (amphibians,reptiles,and mammals)including ourselves.
	www.dinofish.com /biol.htm (906 words)

	Devonian Times - More about Lobe-Fin Fishes
		Most lobe-fins belong to one of three major groups: the Actinistia (coelacanths), the Dipnomorpha (lungfishes and Porolepiformes), and the Tetrapodomorpha (Rhizodontoformes, Osteolepiformes and Elpistostegalia).
		The Actinistia first appear in the Middle Devonian and become relatively diverse during the Carboniferous, decline in the Permian and again become diverse in the Triassic.
		They apparently decline through the remainder of the Mesozoic, with the last fossil record occurring in the Late Cretaceous.
	www.devoniantimes.org /who/pages/lobe-fins.html (991 words)

	Palaeos Vertebrates 140.100 Sarcopterygii
		However Long (2001) defines it as the crown group: Actinistia + Tetrapoda + Dipnomorpha.
		Phylogeny: Osteichthyes : Actinopterygii + * : Psarolepis + (Achoania + (Grossius + ((Onychodontiformes + Actinistia) + (Styloichthys + Rhipidistia)))).
		Phylogeny: Sarcopterygii : (Achoania + (Grossius + ((Onychodontiformes + Actinistia) + (Styloichthys + Rhipidistia)))) + *.
	www.palaeos.com /Vertebrates/Units/140Sarcopterygii/140.100.html (1404 words)

	Fish-amphibians - CreationWiki (Site not responding. Last check: 2007-10-29)
		This is another broad type that includes the coelacanth which still exists today, but is somewhat different from its fossil counterparts (Forey, 1998).
		The coelacanth belongs to the Actinistia, whereas osteolepis belongs to the 'Osteolepiformes', a group of sarcopterygian fishes that bears specific affinities to tetrapods, including similarities in limb patterning and the presence of an internal nostril.
		They call a set of bones by the same name and that is supposed to prove evolution.
	www.nwcreation.net /wiki/index.php?title=Fish-amphibians (1681 words)

	Close tetrapod relationships of the coelacanth Latimeria indicated by haemoglobin sequences (Site not responding. Last check: 2007-10-29)
		In traditional systematics, the extinct lobe-finned bony fish (Rhipidistia) are regarded as the closest relatives of tetrapods
		Among living fish, the coelacanth Latimeria chalumnae (Actinistia)
		, which is the only recent representative of the Crossopterygii (Actinistia and Rhipidistia), the lungfish (Dipnoi)
	www.nature.com /nature/journal/v351/n6325/abs/351394a0.html (447 words)

	Amazon.ca: Books: Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes: Sarcopterygii : Actinistia}, and ... (Site not responding. Last check: 2007-10-29)
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		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 (219 words)

	Definition of actinistia - Merriam-Webster Online Dictionary
		actinistia is one of more than 1,000,000 entries available at Merriam-WebsterUnabridged.com.
		For More Information on "actinistia" go to Britannica.com
		Now you can take the Eleventh Edition with you anywhere as Franklin's new Speaking Electronic Handheld!
	www.m-w.com /dictionary/actinistia (82 words)

	Books : Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes: Sarcopterygii : Actinistia}, and ... (Site not responding. Last check: 2007-10-29)
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	Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes : Sarcopterygii Actinistia}, and Comparisons With ...
		Cranial Nerves of the Coelacanth, Latimeria Chalumnae {Osteichthyes : Sarcopterygii Actinistia}, and Comparisons With Other Craniata
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	UnB - outros cursos: UFRGS - MSc THESES/PALEONTOLOGY (Site not responding. Last check: 2007-10-29)
		Informations on the stratigraphy of the studied sediments are also dealt with.
		The revision of the paleofauna led, for the first time, to the description of Elasmobranchia teeth, scales and teeth of Crossopterygii (Actinistia) and scales of Paleoniscoidei.
		Three geologic profiles developed at the Budó, Acampamento Velho and Cambaí Grande outcrops provided stratigraphic correlations based on lithologic, structural and paleontologic characteristics.
	www.unb.br /ig/posg/outros/ufrgs4.htm (12006 words)

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