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Alpha Taxonomy

Debate and discussion of any biological questions not pertaining to a particular topic.

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Alpha Taxonomy

Postby Condraz23 » Sat Jul 15, 2006 3:27 am

Hey everyone.

I'm having a bit of trouble here. My school science book states that the shrimp is a member of the class crustacea, implying that crustacea is a class. Wikipedia states that the shrimp belongs in the class malocostraca. It says that crustacea is a subphylum and not an class. These two sources of information seem to be contradicting each other. The book also states the grey wolf as being Canis lupus and the domesticated dog being Canis familiaris. Isn't the dog just a subspecies of the wolf?

Thanks, I am looking forward to seeing your replies.
Last edited by Condraz23 on Mon Jun 04, 2007 4:56 am, edited 3 times in total.
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Postby Poison » Sun Jul 16, 2006 6:16 pm

First of all don't forget, there is not only one true classification. You can not say one is right and the other one is wrong. You will face this all the time during botany and zoology classes. Some scientists believe one is right, the others claim that a different one is better. Like you can classify, lets say, bryophyta many different ways. If we are talking about real bio, I mean something like uni. level, no one can say you are wrong if you give a reference. (But my advice: Try to learn what's written in your book, as some teachers are strict about these kind of things ;) )
Let me give an example from tomato. Some of our profs use Lycopersicum esculantum, some use Solanum lycopersicum. One of them is the old name but it is still used.
About Canis lupus and Canis familiaris; according to my knowledge, Canis lupus is wolf and Canis familiaris is dog. You may be right also. Taxonomy is changing everyday as new species are added.
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Postby Condraz23 » Mon Jul 17, 2006 9:50 am

Thanks for the quick reply. I guess you covered most of what I was looking for. I'm sure the science of taxanomy is changing rapidly and I understand that many scientists have different views. One more question...

Is there actually such thing as a fish class?
Last edited by Condraz23 on Mon Jun 04, 2007 4:48 am, edited 1 time in total.
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Postby Poison » Tue Jul 18, 2006 3:58 pm

Fish class: Pisces

But if you ask me Pisces is an old way. There are many species. Dividing into superclasses looks better.
As I said before, there can be different ways of classification.
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