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Topic: Astacidea

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Parastacidae

Crayfish

Northern Hemisphere

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	All about lobsters
		the Astacidea (marine lobsters and freshwater crayfishes), Palinuridea (spiny and slipper lobsters), and Thalassinidea (mud lobsters).
		The infraorder Astacidea contains three superfamilies: the Nephropoidea (the commercially important marine lobsters) and the Astacoidea and Parastacoidea (freshwater crayfishes of the northern and southern hemispheres, respectively).
		Lobsters and crayfishes of the infraorder Astacidea are distinguishable from other lobsters because they bear pincers (or chelae) on the first three pairs of legs.
	www.lobsters.tripod.com /lobsters/id1.html (1054 words)

	Group: Shrimps
		The shell (or exoskeleton) must be replaced during growth, this process is named molting.
		Decapoda includes many different suborders (Penaeidea, Stenopodidea, Caridea, Astacidea, Palinuridea, Thalassinidea) also known as a whole as Macrura (large tail).
		These are what commonly we call shrimps, prawns, lobsters.
	www.edge-of-reef.com /macruri/macrurien.htm (657 words)

	biotemp
		Because lobsters bear ten legs, they are placed in the order Decapoda (from the Latin, meaning ten feet).
		Similarly, the infraorder Palinuridea contains three superfamilies: the Eryonoidea (deepwater species), the Glypheoidea (a fossil group with only one living representative), and the Palinuroidea (the commercially important spiny and slipper lobsters).
		Of the Astacidea, we will only consider the true lobsters or those belonging to the superfamily Nephropoidea.
	www.lobsters.org /tlcbio/biology1.html (382 words)

	World bibliography on subterranean Decapoda (Caridea, Astacidea, Anomura) (Site not responding. Last check: 2007-11-03)
		HOBBS III (H. Decapoda (Caridea, Astacidea, Anomura): 891-911, en anglais, 13 fig.
		World bibliography on subterranean Decapoda (Caridea, Astacidea, Anomura).
		Bibliographie mondiale des Decapoda (Caridea, Astacidea, Anomura) souterrains.
	members.aol.com /blspecies/decapoda.htm (234 words)

	Tropical reef lobsters of the genus Enoplometopus - Character List
		Tropical reef lobsters of the genus Enoplometopus (Astacidea, Enoplometopidae)
		- Crustacea Decapoda of French Polynesia (Astacidea, Palinuridea, Anomura, Brachyura).
		- Enoplometopoidea, nouvelle famille de Crustacés Décapodes Astacidea.
	biomar.free.fr /enoplometopus/www/refs.htm (1222 words)

	Crayfish Taxon Browser :: Infraorder Page
		Hobbs (1988) gives a good discussion on the fossil taxa associated with this group as well as their presumed evolutionary history.
		There are several fossil representatives included within the Astacidea, and a few are closely related to extant crayfish species (based on morphological evidence).
		However, several recent discoveries may suggest an alternative evolutionary history involving crayfish.
	iz.carnegiemnh.org /crayfish/NewAstacidea/infraorder.asp?io=Astacidea (709 words)

	USGS Release: USGS Science at Ecological Society of America (8/7/2006 10:46:04 AM)
		The author will compare the Great Lake systems in North America and East Africa with respect to invasive species -- routes of invasions and introductions, which species were successful and some that were not, and efforts to control invasive species.
		Water hyacinth (Eichhornia crassipes), nutria (Myocastor coypus), freshwater crawfish (infraorder Astacidea), and top level fish predators will be discussed.
		No sign of saturation of plant and bird communities in the United States, 9:40 a.m.
	www.usgs.gov /newsroom/article.asp?ID=1536 (1554 words)

	Singapore Zoological Gardens - Docent (Site not responding. Last check: 2007-11-03)
		They have a keen sense of "smell", using their two pairs of
		Lobsters are crustacea which belong to the suborder Reptantia which include: marine lobsters and freshwater crayfishes (Astacidea), spiny and slipper lobsters (Palinuridea), mud lobsters (Thalassinidea), hermit crabs (Aomura) and true crabs (Brachyura).
		Although often labelled as scavengers, lobsters prefer live or recently killed food.
	www.szgdocent.org /resource/ff/f-reef7a.htm (846 words)

	Definition of astacidea - Merriam-Webster Online Dictionary (Site not responding. Last check: 2007-11-03)
		Click here to search for another word in the Merriam-Webster Online Dictionary.
		Visit Britannica.com for more information on "astacidea "
		Get the Top 10 Search Results for "astacidea "
	www.bonus.com /contour/merriam_webster/http@@/www.m-w.com/dictionary/astacidea (55 words)

	Protein Spotlight Issue 26: Squeeze me and I will change color
		Protein Spotlight Issue 26: Squeeze me and I will change color
		Astaxanthin is a chromophore which lends an orangey-red hue to sea animals such as the pink flesh of salmon, and the exoskeletons of crayfish - or Astacidea from where it was first identified - shrimps.
		Is it astaxanthin that gives lobsters their blue-green color in the first place?
	www.expasy.org /spotlight/back_issues/sptlt026.shtml (1164 words)

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