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Topic: Elvis taxa

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Eigenvalue

Lyons, Oregon

Adulthood

22nd March

Amphipoda

169 BCE

Breakbeat

Extinction event

	Elvis Taxa (Site not responding. Last check: 2007-11-06)
		Elvis taxa are similar to Lazarus taxa and often confused with them.
		Where Lazaraus taxa are those that have returned from the dead after a mass extinction, Elvis taxa are the decendants of different groups that are known to have survived the extinction and have evolved to closely resemble the extince group through convergent evolution.
		The term Elvis taxa is used because Elvis really is dead, though he has many imitators.
	www.encyclopedia-1.com /e/el/elvis_taxa.html (84 words)

	Lazarus taxon - Wikipedia, the free encyclopedia
		In paleontology, a Lazarus taxon (plural taxa) is a taxon that disappears from one or more periods of the fossil record, only to appear again later.
		Lazarus taxa are observational artifacts that appear to occur either because of (local) extinction, later resupplied, or as a sampling artifact.
		Lazarus taxa that reappear in nature after being known only as old enough fossils can be seen as an informal subcategory of the journalist's "living fossils", because a taxon cannot become globally extinct and reappear.
	www.wikipedia.org /wiki/Lazarus_taxon (422 words)

	Search Encyclopedia.com
		Presley, Elvis Presley, Elvis, 1935-77, American popular singer, b.
		The taxa are, from most to least inclusive: phylum (usually called division in botany), class, order, family, genus, and species.
		taxon taxon (pl. taxa), in biology, a term used to denote any group or rank in the classification of organisms, e.g., class, order, family.
	www.encyclopedia.com /searchpool.asp?target=Elvis+Taxa (457 words)

	Elvis taxon
		An Elvis taxon (plural taxa) is a term used in paleontology.
		Where Lazarus taxa are those that have seemingly returned from the dead after extinction, Elvis taxa are the decendants of different groups that are known to have survived the extinction and have evolved to closely resemble the extinct group through convergent evolution.
		The term Elvis taxon is used because although Elvis Presley is truly dead, he has many impersonators.
	www.arikah.net /encyclopedia/Elvis_Taxa (118 words)

	Elvis
		Elvis impersonator Elvis impersonators are people who impersonate or copy iconic status of the man they imitate.
		Elvis Jacob Stahr Jr Elvis Jacob Stahr Jr.
		Elvis Taxa Elvis taxa are similar to Elvis really is dead, though he has many imitators.
	www.brainyencyclopedia.com /topics/elvis.html (193 words)

	Journal of Paleontology: A PROPOSED CLASSIFICATION OF ARCHEOPYLE TYPES IN CALCAREOUS DINOFLAGELLATE CYSTS
		These deficiencies explain why morphotypes now known to be separate taxa have been placed in a single genus or species (see, e.g., Streng et al., 2002 and herein), resulting in a biased stratigraphie and regional distribution for these taxa.
		Taxa that have a simple morphology often without sufficient diagnostic features, as is the case for many calcareous dinoflagellate cysts, are predestined to be Elvis taxa.
		Elvis taxa, or simple homeomorphs, are therefore probably an unrecognized problem within the Calciodinelloideae as many spherical calcareous cysts have few and subtle characteristics.
	www.findarticles.com /p/articles/mi_qa3790/is_200405/ai_n9377511/pg_10 (1240 words)

	Elvis Taxa Definition / Elvis Taxa Research (Site not responding. Last check: 2007-11-06)
		It is similar to a Lazarus taxonIn biology, a lazarus taxon (plural taxa) is a taxon that disappears from one or further periods of the fossil record, only to appear again later.
		Where Lazaraus taxa are those that have seemingly returned from the dead after a mass extinctionAn extinction event (also extinction-level event, ELE) is a period in time when a large number of species die out.
		[click for more], Elvis taxa are the decendants of different groups that are known to have survived the extinction and have evolved to closely resemble the extinct group through convergent evolutionIn evolutionary biology, convergent evolution describes the process whereby organisms not closely related independently acquire similar characteristics while evolving in separate and sometimes varying ecosystems.
	www.elresearch.com /Elvis_Taxa (326 words)

	Attend112 (Site not responding. Last check: 2007-11-06)
		Lazarus taxa are those that disappear during a mass extinction, only to reappear at the latter part of the recovery interval, once conditions ameliorate and ecosystem structure is rebuilt.
		It's not known whether such taxa survive in refugia (remember that they don't seek refugia -- some populations are simply lucky enough to find themselves in refugia) or whether they remain more widespread in their distribution (but at extremely low population densities such that the probability of finding a fossil is highly unlikely).
		Traditional systematists “focused on characters that diagnose higher taxa and set them apart adaptively from their close relatives”, so phenotypic diversity was a big deal (eg, why whales were given their own Order instead of just lumping them with the other artiodactyl Ungulates).
	www.bio.davidson.edu /biology/mastanback/evolution/199.html (3196 words)

	UC/JEPS: ERTTER: Floristic Surprises in North America
		Not only were there only half the number of taxa known in 1880 as in 1993, but there is by no means a strict one-to-one correspondence within the apparent overlap, primarily due to misapplied names and non-persisting introductions.
		For the two decades from 1975 through 1994, a total of 1,197 vascular plant taxa were described as new to science, ranging from monotypic genera to formae and nothotaxa (collectively referred to as "novelties").
		The lack of consensus is not an indication of an inability to agree on standards, of taxonomists not being able to "get their acts together," but is rather a reflection of four equally valid models for which insufficient evidence currently exists to strongly support one over the others.
	ucjeps.berkeley.edu /floristic_surprises.html (15653 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		Disaster taxa are thought to be opportunistic species that have survived the extinction phase for whatever reason, and which suddenly find themselves in a virtually unpopulated world free of competition from the species that used to make life difficult for them (picture a world populated by rats and cockroaches...).
		Among the disaster taxa are a few that begin to undergo a series of rapid speciation events, generating new species that quickly evolve to fill all the ecological niches that were left empty in the extinction phase.
		The Lazarus taxa are those that seem to have risen from the dead; one assumes that they persisted in small numbers somewhere in the world from which we have no fossil record.
	opal.geology.utoronto.ca /glg105h/MassExtinctionnotes.html (17228 words)

	Alroy in review, Paleobiology
		By analogy with the ordination-based curve, taxa would be counted only if they ranged from some interval i to the next interval i+1; by definition, all of these taxa must have existed at the time plane fixing the boundary between i and i+1.
		He argued that this would be most appropriate when the taxa have high turnover rates relative to the length of the sampling intervals, as with marine invertebrate genera and marine stages, or, in the current case, mammal species and 1 m.y.
		The other possibility is that the Lazarus taxa and ghost lineages both fail to correct fully for the extreme differences in sampling intensity between the early and late Eocene, or early and late Miocene.
	www.nceas.ucsb.edu /~alroy/Alroy.sampling.html (12572 words)

	GEOL 331 Lectures 6-7: Biostratigraphy
		Biozone (often just "zone"): body of rock characterized by one or more taxa that permit it to be distinguished from adjacent rocks.
		Mass Extinctions Abrupt simultaneous extinctions of numerous taxa, if real, are powerful biostratigaphic markers and are interesting in their own right.
		Elvis Taxa: Taxa that converge on extinct forms, giving false impression of Lazarus taxa.
	www.geol.umd.edu /~tholtz/G331/lectures/331strat.html (1235 words)

	Consequences of Egg-size Variation in the Red-winged Blackbird
		Early drafts of this paper were significantly improved by E. Borer and the ELVIS dis- cussion group at Iowa State University.
		For oviparous taxa, parental investment may be directed toward eggs or hatchlings.
		Birds are ideal organisms to test general hypotheses of parental in- vestment owing to the substantial interspecific var- iation in relative investments made by parents to- ward eggs and hatchlings and because of the ability of researchers to isolate and quantify these invest- ments.
	elibrary.unm.edu /sora/Auk/v116n02/p0549-p0552.html (5260 words)

	SVIBOR - Papers - project code: 1-08-158
		Many new taxa also were named in thehonour of guest scientists.
		Total 717 species were noted,although data on several high taxa are almost completely lacking.The inventory reflects a scarce research in peculiar habitats.Outstanding faunistic stocks are those of theAtlantic-Mediterranean (45 %) and endemic Mediterranean (18 %)distributional pattern.
		In total 320 eucariont algal taxa, 9cyanophytes, and 4 marine phanerogams were identified.
	www.mzos.hr /svibor/1/08/158/rad_e.htm (1934 words)

	SVIBOR - Project code: 1-08-158
		Summary: Adriatic fauna and flora remained scarcely known till now, although the data on diversities and distributional patterns of taxa are considered to be a basis for many fundamental and applied studies.
		With an aim to fill the gap, taxonomic research was undertaken to establish diversities at study sites, prepare inventories of peculiar east Adriatic areas, and complement and revise study collections at institutions collaborating in frames of the present project.
		Only about 50 % of taxa probably present in the Adriatic Sea were noted, and many of them were not stored in institute and museum collections.
	www.mzos.hr /svibor/1/08/158/proj_e.htm (518 words)

	Scientific classification - Questionz.net , answers to all your questions (Site not responding. Last check: 2007-11-06)
		Cladistics requires taxa (named groups in a taxonomy) to be clades.
		The standard groupings (taxa) of taxonomy from most general to most specific are: * Kingdom * Phylum (animals) or Division (plants) * Class * Order * Family * Genus * Species Several acronym mnemonics have been made for these, for instance King Phillip called out for good soup.
		Group Suffixes Taxa above the genus level are often given names derived from the type genus.
	www.questionz.net /Family/Family.html (1217 words)

	EvC Forum: Inferences based on and conclusions drawn from taxonomic classification? (Site not responding. Last check: 2007-11-06)
		Recently, it has been suggested that, for Primates at least, using estimated time of divergence from a common ancestor be used as a criterion for assigning taxa their rank - that is, deciding whether or not species X belongs to one genus or a subgenus, etc.
		I disagree with the conclusion that evolution is largely over because the number of new species, genera and other taxa that can come, and have been coming, from these basic plans is almost limitless.
		I also didn't see where he was limiting his "death knell of evolution" to higher taxa - it really appeared he was saying that NO variation could occur (except rarely, by instantaneous transmutation/saltation) even at the bottom rung.
	www.evcforum.net /cgi-bin/dm.cgi?action=msg&f=5&t=208&m=1 (2175 words)

	BBC Evolution Weekend: Extinction Files - the Big Questions about Extinction (Site not responding. Last check: 2007-11-06)
		there are many instances of so-called 'Lazarus taxa' - species, genera or even whole families which seem to vanish from the fossil record, only to reappear tens of million years later, 'risen from the dead'.
		One of the best known is that of the coelacanth - which belongs to an order of fish thought to have vanished from the fossil record around 70 million years ago, until living coelacanths were found living off the Comoro Islands in the Indian Ocean.
		'Elvis taxa' are species which disappear, only to be replaced by unrelated, but strikingly similar impersonators - ready to deceive an unwary scientist!
	www.bbc.co.uk /education/darwin/exfiles/quest3.htm (219 words)

	RedNova News - Science - Wall Structures In Selected Paleozoic Lagenide Foraminifera (Site not responding. Last check: 2007-11-06)
		The wall in Pachyphloia ovata Lange, 1925 is inferred to be plesio-monolamellar or ortho-monolamellar, because of the pronounced difference in thickness between the primary septum of a given chamber and the outer test wall in preceding portions of the test.
		Although it is unclear whether or not the microgranular inner layer is retained in S. amazonica, the absence of such a layer among the other examined Late Pennsylvanian and Permian taxa suggests that diminution and eventual loss of the vestigial "tectum" must have occurred rather soon after the origin of the lagenide clade.
		The latter species is inferred to possess a plesio- or ortho-monolamellar wall because of the unusually thickened sides of its test (relative to the primary septal wall), and because secondary lamellar structure has been shown in other specimens in the genus.
	www.rednova.com /news/display?id=51885 (6494 words)

	[No title]
		However, "silent taxa" are extremely numerous in the Frasnian, i.e.
		taxa which are present both prior to and after the Frasnian, but missing from the Frasnian record itself indicating that the Famennian Cyathaxonia fauna contains significant numbers of Lazarus and/or Elvis taxa.
		The majority of the concerned taxa were never collected in this level, but they correspond to taxa previously observed below, in the Noces Member of the Beaulieu Formation, and/or above, in the Fiennes du Bois and Parisienne Member of the Ferques Formation.
	www.korallen.de /iasfcp/vol312/body_corals.html (6421 words)

	Re: Synapsids and Basal Reptiles (was: Re: Elvis, Sue, and a guy (Site not responding. Last check: 2007-11-06)
		Euryapsida has been redefined as a monophyletic taxon and includes as such most of the taxa that have the "euryapsid" temporal fenestra.
		I was thinking of the classical distinction of the amniotes in 'anapsids', 'diapsids', 'synapsids' and 'euryapsids' based upon the configuration of the temporal fenestra (which is now known to have evolved very similarly in unrelated taxa).
		As such, the "euryapsid" configuration of the temporal fenestra in Araeoscelis and in Euryapsida evolved independently.
	dml.cmnh.org /1998Apr/msg00733.html (194 words)

	Lazarus taxon - Definition, explanation
		Lazarus taxa are observational artifactss that appear to occur either because of (local) extinction, later resupplied, or as a sampling artifact.
		On the other hand, all species "considered living fossils" (and this a point of contention) are lazarus taxa de facto.
		If they do not meet the criteria of living fossils, it is possible they are Elvis taxa.
	www.calsky.com /lexikon/en/txt/l/la/lazarus_taxon.php (451 words)

	Re: Lazarus (Site not responding. Last check: 2007-11-06)
		A Lazarus taxon is one which apparently "rises from the dead": that is to say, it is found in the fossil record, then is missing, then reappears.
		In a sense all taxa known from more than one horizon are Lazarus taxa, because they aren't found in every cm of sediment between the two horizons...
		These are forms which convergently evolve the appearance of an extinct form, sometime after the first taxon died out.
	dml.cmnh.org /1999Jan/msg00649.html (137 words)

	lazarus_taxon (Site not responding. Last check: 2007-11-06)
		Tables, Dining Tables, Picnic Tables, Folding Tables Â In paleontology, a Lazarus taxon (plural taxa) is a taxon that disappears from one or more periods of the fossil record, only to appear again later...
		Lazarus and Joannes Baptista Colloredo Lazarus Churchyard Lazarus Long Lazarus Taxa Lazarus taxon Lazarus, Charles Lazarus, Emma Lazarus, Emma Lazarus-Macy's Lazarwort Lazdu mahte Lazdu mate laze laze laze laze laze...
		A Lazarus taxon is one which apparently andquot;rises from the deadandquot;: that is to say, it is found in the fossil record...
	lazarus_taxon.networklive.org (280 words)

	[No title]
		These arbitrary values are the upper and lower bounds of "nested sets", one set for each taxa, where the set of the child taxa is contained within the larger set of the parent taxon.
		An alternative design philosophy is to break out overtly common entities into their own entity table with explicitly named fields (as has been done for literature references and taxa).
		While an ontology-driven seqfeature "meta-table" is theoretically capable of storing any information about a bioentry, it is sometimes more useful to have extraordinarily common entities represented by their own tables.
	cvs.bioperl.org /cgi-bin/viewcvs/viewcvs.cgi/checkout/biosql-schema/doc/schema-overview.txt?rev=1.6 (1949 words)

	biosql-schema/doc/schema-overview.txt - annotate - 1.2
		For 280 example, a SwissProt dbxref might have an additional qualifier value 281 that was the SwissProt name (GTM1_HUMAN) of the dbxref.
		282 283 An alternative design philosophy is to breakout overtly common 284 entities into their own entity table with explicitly named fields (as 285 has been done for literature references and taxa).
		For example, a "SwissProt_dbxref" view could 292 be made that had all the dbxref fields plus a "SwissProt_name" field 293 amackey 1.1 containing the qualifier value discussed previously.
	cvs.bioperl.org /cgi-bin/viewcvs/viewcvs.cgi/biosql-schema/doc/schema-overview.txt?annotate=1.2 (1952 words)

	[No title]
		Researchers are now beginning to look at the broader issues of how the various species interact with each other and the environment.
		The All-Taxa Biodiversity Inventory began as a volunteer educational effort to catalog all wildlife in the Smokies.
		The first inventory of this sort was attempted in the rainforests of Costa Rica in the early 1990s, but never completed.
	www.wbir.com /liveatfive/laf.aspx?storyID=15611 (129 words)

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