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Topic: Halkeria

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	Halkeria
		Halkeria is a very early Cambrian animal of unknown affinity.
		After being known from armour fragments for several decades, intact specimens were recovered in 1998 from shales in an unglaciated area of NorthEast Greenland.
		It is possible that Halkeria is related to later animals known as Machaerids and/or to sclerite bearing worm like animals from the Lower Cambrian of China.
	www.ebroadcast.com.au /lookup/encyclopedia/ha/Halkeria.html (145 words)

	halkeria
		Halkeria àêòóàëüíî â ñòâîðêàõ áîëüøèõ halkeria halkeria ïðèâîä ñ ïðîâåòðèâàíèåì.
		halkeria halkeria ñèñòåìå AUBI 300 halkeria ïðèìåíåíèå ñïåöèàëüíîãî ïðèâîäà halkeria ïîâîðîòíûõ îêîí, êîòîðûé halkeria êîìôîðòíîå ïðîâåòðèâàíèå.
		Halkeria èñïîëüçóåòñÿ ñïåöèàëüíàÿ halkeria halkeria ïðåäîòâðàùàåò äåìîíòàæ ñòâîðêè ñíàðóæè.
	mywebpage.netscape.com /ManyaWave7048/halkeria.html (191 words)

	Brachiopod
		The oldest Lingula occur in the very early Cambrian and are roughly 550 million years old.
		A possible ancestor is a sort of ancient "armored slug" known as halkeria that has recently been found to have had small brachiopod-like shields on its head and tail.
		During the Ordovician and Silurian periods brachiopods became adapted to life in most marine environments and became particularly numerous in shallow water habitats, in some cases forming whole banks in much the same way as bivalves (such as mussels) do today.
	www.starrepublic.org /encyclopedia/wikipedia/b/br/brachiopod.html (754 words)

	Halkeria - Wikipedia, the free encyclopedia
		Halkeria is an animal of unknown affinity that lived in the early Cambrian.
		After being known from armour fragments for several decades, intact fossil specimens were recovered in 1998 from shales in an unglaciated area of northeast Greenland.
		This page was last modified 21:22, 10 May 2005.
	en.wikipedia.org /wiki/Halkeria (174 words)

	Monoplacophora - Palaeos (Site not responding. Last check: 2007-10-31)
		This pseudometameric or quasi-segmented body plan led to the idea that "Monoplacophora" had a common ancestry with other metameric coelomates like annelids and arthropods.
		However, neither extant aplacophoran primitive molluscs or Cambrian pre-annelid and pre-molluscan procoelomates like Wiwaxia and Halkeria are obviously segmented (although the regular series of scales in the latter two forms may be the beginning of segmentation).
		It is possible then that the multiple organ systems and body segments developed independently among a number of different organisms.
	www.palaeos.org /Monoplacophora?title=Monoplacophora&printable=yes (915 words)

	Encyclopedia: Brachiopod (Site not responding. Last check: 2007-10-31)
		A possible ancestor is a sort of ancient "armored slug" known as Halkeria that was recently been found to have had small brachiopod-like shields on its head and tail.
		Jump to: navigation, search Charles Darwin, father of the theory of evolution by natural selection.
		During the Ordovician and Silurian periods brachiopods became adapted to life in most marine environments and became particularly numerous in shallow water habitats, in some cases forming whole banks in much the same way as bivalves (such as mussels) do today.
	www.nationmaster.com /encyclopedia/Brachiopod (2244 words)

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