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Topic: Herrerasauria

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		As small as it was, its carnivorous diet must have consisted first and foremost of scavenged carcasses or insects.
		It has been variously recognized as a saurischian (lizard-hipped) dinosaur; a theropod (a fast-moving bipedal carnivore with clawed digits and hands on the forelimbs); and a close family member of the Herrerasaurus of the Herrerasauria infraorder, but its taxonomy is in argument because only fragmentary remains have been recovered.
		It may also have been a lagosuchid (a primitive reptile from which the dinosaurs arose) or an ornithosuchian (closely connected cousins of dinosaurs) instead of a true dinosaur.
	www.rareresource.com /saltopus.htm (194 words)

	Re: Herrerrasaurus the Herrerrasaur (Site not responding. Last check: 2007-10-23)
		But herrerasaurus is no longer a member ov the orden Herrerasauria.
		Because herrerasauria dissapeared, and Herrerasaurus bacem a theropod.
		There can still be an order Herrerasauria, within a larger group Theropodomorpha.
	dml.cmnh.org /1997May/msg00062.html (99 words)

	[No title] (Site not responding. Last check: 2007-10-23)
		The Herrerasauria are an early group represented by Herrerasaurus, which was discovered in a wonderful middle-late Triassic period fossil locality (the famous Ischigualasto formation) in Argentina in the 1970's.
		These curious animals have some basic theropod characteristics, but lack others; in fact, they lack some dinosaurian characteristics as well.
		The Herrerasauria may be the earliest theropod group, or it is quite possible that they are not even theropods at all, but rather non-dinosaurs closely related to the ancestor of dinosaurs.
	home.comcast.net /~arnybarb/theropod.htm (473 words)

	Ceratosauria
		One may ask why a primitive common ancestor should give rise to both primitive and advanced descendents, but only the advanced descendents remained invisible in the fossil record for some millions of years.
		Worse, there must be a mysterious and similarily invisible taxon transitional between the Herrerasauria and the Tetanurae.
		Surely it is much more logical to have the Ceratosauria evolve from Herrerasauria ancestors, and then, several million years later, in turn give rise to Megalosaurian proto-tetanurae.
	www.kheper.net /evolution/dinosauria/Ceratosauria.html (961 words)

	geoahead: Earth Science on your desktop
		They gave rise to herbivorous forms, which then developed from small bipedal dinosaurs to long-necked four-egged ones.
		The suborders of Triassic include Theropoda (genus Coelophysis), Herrerasauria, Sauropodomorpha and Ornithopoda.
		By the end of Triassic dinosaurs gradually became dominant as other dominant reptiles and amphibians dwindled.
	www.geoahead.com /palaeo/index.php?page=dinosaur (729 words)

	Re: Dinosaur Taxonomy (was Re: Re: dinosaur flatware) (Site not responding. Last check: 2007-10-23)
		> > > > If that is the case, then no taxon Herrerasauria should ever be > > diagnosed, and the points discussed here become moot.
		It is still a "differntial > diagnosis", as it still specifies how the taxon differs from all > coordinate taxa.
		I never claimed that the Herrerasauria (or any other parataxon) COULN'T be diagnosed, just that it SHOULD'T, for the simple reason that, if the Herrerasauria is paraphyletic, then they are not each other's closest relatives.
	dml.cmnh.org /1996Jan/msg00555.html (231 words)

	Saltopus- Enchanted Learning Software
		Saltopus was named by the German paleontologist Friedrick von Huene in 1910.
		Saltopus may have been a saurischian ("lizard-hipped") dinosaur, a theropod, and a member of the infraorder Herrerasauria (which includes Herrerasaurus, Staurikosaurus, Eoraptor, and other very early dinosaurs).
		Saltopus is only known from fragmentary remains and its classification is uncertain; it may have been a lagosuchid (primitive reptiles that led to the dinosaurs) or an ornithosuchian (not dinosaurs, but closely-related archosauromorphs).
	www.zoomwhales.com /subjects/dinosaurs/dinos/Saltopus.shtml (362 words)

	Eoraptor- Enchanted Learning Software
		It was about 3 feet long (1 m); it had light, hollow bones, a long head with dozens of small, sharp teeth, and five fingers on its grasping hands (two of the fingers on each hand were very small).
		Eoraptor was a saurischian ("lizard-hipped") dinosaur, a very primitive theropod, and a member of the infraorder Herrerasauria (which includes Herrerasaurus, Staurikosaurus, Saltopus, and other very early dinosaurs).
		The type species is Eoraptor lunensis (named by Paul Sereno, Forster, Rogers and Monetta in 1993).
	www.zoomdinosaurs.com /subjects/dinosaurs/dinos/Eoraptor.shtml (414 words)

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