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Topic: Globigerinida

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	Molecular systematics of foraminifera is the leading MSG project
		According to a generally accepted idea, the planktonic Globigerinida evolved from a single benthic lineage in the Mid-Jurasic (Caron and Homewood, 1983) and radiated from surviving species after every major extinction event (Tappan and Loeblich, 1988).
		A single representant of Candeinidae (G. glutinata) is unambiguously placed within the benthic Rotaliida, far from the rest of the planktonic species, suggesting that the microperforate foraminifera have diverged independently from some benthic lineages.
		The lowest G+C content was observed in the Miliolida (29-32%) and Astrorhizida (30-31%), while in the Globigerinida, it averages 45%.
	www.unige.ch /sciences/biologie/biani/msg/people/Jan/forams.htm (3000 words)

	Find in a Library
		The Cainozoic Globigerinida : a study of the morphology, taxonomy, evolutionary relationships, and the stratigraphical distribution of some Globigerinida (mainly Globigerinacae)
		To find a library, type in a postal code, state, province, or country.
		WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
	www.worldcatlibraries.org /wcpa/ow/f8b5f0706a213405.html (50 words)

	K/T extinction (forams and birds)
		Order Involuntinida (which made it through the Permian extinction) apparently did not make it through K/T (but who knows, it may be found in the early Paleozoic someday).
		But most Cretaceous foram orders made it through and are still with us today: Monothalamida, Allogromiida, Astrorhizida, Haplophragmiida, Spirillinida, Miliolida, Lagenida, Robertinida, Globigerinida, Buliminida, Cassidulinida, Nonionida, Plaorbulinia, Asterigerinida, Discorbida, and Rotaliida.
		Sadly, Order Orbitoidida made it through K/T, but only made it to the Eocene.
	dml.cmnh.org /2001May/msg00452.html (234 words)

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