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Topic: Olenellina

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	Olenellina - Wikipedia, the free encyclopedia
		Olenellina is a suborder of the order Redlichiida of Trilobites.
		Olenellina are the earliest trilobites in Cambrian stratigraphy.
		No calcified protaspis is known, the body is flattened and the cuticle is thin.
	en.wikipedia.org /wiki/Olenellina (236 words)

	Trilobite Origins
		The earliest occurring trilobites in the fossil record are the Olenellids, members of the order Redlichiida, suborder Olenellina, and particularly the Fallotaspididae.
		These taxa belong to the suborder Olenellina, which are distinct among trilobites in primitively lacking facial sutures: though other groups may have secondarily lost facial sutures, Olenellina are believed never to have had them.
		The unique primitive condition and the circumstantial but voluminous evidence that fossils from this group underlie all others, prompts the view that Olenellina are the ancestral trilobite stock.
	www.peripatus.gen.nz /Taxa/Arthropoda/Trilobita/TriOri.html (1420 words)

	REDLICHIIDA FACT SHEET
		With a primitive lack of facial sutures, and a stratigraphically early range, the Olenellida have been recognized as distinct sister taxon to "typical" trilobites, and arguments have been made to exclude them from the Trilobita.
		Fortey (1990) argued effectively for maintaining the Olenellina as trilobites, albeit they serve as the primitive sister group to all trilobites bearing facial sutures.
		The relationship between the Olenellina and Redlichiina is by no means clear.
	www.trilobites.info /ordredlichiida.htm (1124 words)

	Phylogenetic analysis of the Olenellina Walcott, 1890 (Trilobita, Cambrian) Journal of Paleontology - Find Articles (Site not responding. Last check: 2007-10-31)
		Phylogenetic analysis of the Olenellina Walcott, 1890 (Trilobita, Cambrian)
		To code this node, all taxa considered by Lieberman (1998) and where applicable by Lieberman (1999) were coded for all of the characters utilized in the phylogenetic analysis presented above.
		There are other characters which vary within the Olenelloidea, but which are absent or invariant in the other exponents of the Olenellina.
	www.findarticles.com /p/articles/mi_qa3790/is_200101/ai_n8935896/pg_7 (459 words)

	REDLICHIIDA FACTS AND INFORMATION (Site not responding. Last check: 2007-10-31)
		They follow typical trilobite patterns in terms of the number, placement, and types of legs, antennae, gills, etc.
		The Redlichiids are divided into two suborders: Olenellina and Redlichiina.
		The Olenellids are found in North America and associated areas that comprised the Cambrian continent of Laurentia.
	www.factagent.com /?req=redlichiida (328 words)

	PHYLOGENETIC ANALYSIS OF THE OLENELLINA WALCOTT, 1890 (TRILOBITA, CAMBRIAN) -- LIEBERMAN 75 (1): 96 -- Journal of ...
		PHYLOGENETIC ANALYSIS OF THE OLENELLINA WALCOTT, 1890 (TRILOBITA, CAMBRIAN) -- LIEBERMAN 75 (1): 96 -- Journal of Paleontology
		Fifty-seven exoskeletal characters were coded for 24 taxa within
		the Olenellina and two outgroups referable to the "fallotaspidoid"
	jpaleontol.geoscienceworld.org /cgi/content/abstract/75/1/96 (259 words)

	List of Publications (Site not responding. Last check: 2007-10-31)
		Induced color in ostracode shells: an experimental study, 10 p., 1 fig.
		Through a glass darkly: taxonomy, phylogeny, and biostratigraphy of the Olenellina, 35 p., 13 fig.
		Hageman, S. Effects of nonnormality on studies of morphological variation of a Rhabdomesine bryozoan, Streblotrypa (Streblascopora) prisca (Gabb and Horn), 13 p., 4 fig.
	www.paleo.ku.edu /recent.html (2663 words)

	Inter. Subcommission on Cambrian Stratigraphy
		Palmer, A. Out like a lion: the extinction of the Olenellina and other related issues.
		The Conterminous United States Mineral-Resource Assessment Program; background information to accompany folios of geologic and mineral-resource maps of the Harrison 1 degrees X2 degrees quadrangle, Kansas and Missouri.
		Palmer, A. Terminal Early Cambrian extinction of the Olenellina: documentation from the Pioche Formation, Nevada.
	www.uni-wuerzburg.de /palaeontologie/Stuff/casu3.htm (13398 words)

	Redlichiida - EvoWiki (Site not responding. Last check: 2007-10-31)
		They are distinguished by their half-circle shaped cephalons, many segmented thoraces, and very small pygidiums.
		The order is divided into two suborders, Suborder Olenellina, and Suborder Redlichiina.
		Redlichiida Factsheet by Sam Gon III This page is a "stub"!
	wiki.cotch.net /index.php/Redlichiida (110 words)

	Redlichiida Scientific classification Kingdom Animalia Phylum...
		Redlichiida Scientific classification Kingdom:Animalia Phylum:Arthropoda Class:Trilobita Order:"Redlichiida" Families "Suborder Olenellina" "Superfamily Olenelloidea" Olenellidae Holmiidae "Superfamily Fallotaspidoidea" Archaeaspididae Fallotaspididae Judomiidae Neltneriidae Nevadiidae "Suborder Redlichiina" "Superfamily Emuelloidea" Emuellidae "Superfamily Redlichioidea" Abadiellidae Chengkouaspidae Dolerolenidae Gigantopygidae Kuechowiidae Mayiellidae Menneraspididae Metadoxididae Redlichiidae Redlichinidae Saukiandidae Yinitidae "Superfamily Paradoxidoidea" Centropleuridae Paradoxididae Xystriduridae An order within the major extinct arthropod class Trilobita.
		The "Redlichids" are one of the four older classes of trilobita that originated in the Early Cambrian.
		A copy of the license is included in the section entitled
	www.geodatabase.de /Redlichiida (347 words)

	Trilobiten.de :: Thema anzeigen - Der Ursprung der Trilobiten- The Trilobite Forum
		Furthermore, specimens of a new species referable to Nevadia Walcott, 1910, are recognized in strata traditionally treated as within the Fallotaspis Zone, which is held to underlie the Nevadella Zone, suggesting further biostratigraphic complexity within the basal Lower Cambrian of southwestern Laurentia.
		Phylogenetic analyses of the Olenellina and Olenelloidea, along with the phylogenetic analysis presented here, are used to consider the biogeographic origins of the eutrilobites.
		The group appears to have originated in Siberia.
	www.trilobiten.de /forum/viewtopic.php?p=906 (1574 words)

	Olenellus trilobite Canada
		Class Trilobita; Trilobite Order Redlichiida; Suborder Olenellina; Family Olenellidae
		Size: 35 mm on 70 by 40 matrix
		A product of the Cambrian explosion, the suborder Olenellina is morphologically diverse and constitutes a major suborder within the Order Redlichiida.
	www.fossilmuseum.net /Fossil_Galleries/TrilobitesCanada/Olenellus/Olenellus.htm (146 words)

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