...) wrote: The hits I get on "extinct phylum" all point to Stephen Jay Gould's ... the Burgess Shale "weird wonders" into Arthropoda or Onchyphora, eliminating the need for separate extinct phyla. There is no such thing as a need for a separate phylum. What rank... grant to taxa (above species) is arbitrary. ``phyla can be thought of as grouping animals based on ...

... Ciszek) wrote: The hits I get on "extinct phylum" all point to Stephen Jay Gould's ...the Burgess Shale "weird wonders" into Arthropoda or Onchyphora, eliminating the need for separate extinct phyla. There is no such thing as a need for a separate phylum. What rank we grant to taxa (above species) is arbitrary. ``phyla can be thought of as grouping animals based on ...

...Ciszek) wrote: The hits I get on "extinct phylum" all point to Stephen Jay Gould's ... the Burgess Shale "weird wonders" into Arthropoda or Onchyphora, eliminating the need for separate extinct phyla. There is no such thing as a need for a separate phylum. What rank ... grant to taxa (above species) is arbitrary. ``phyla can be thought of as grouping animals based on ...

... wrote: The hits I get on "extinct phylum" all point to Stephen Jay Gould's ... the Burgess Shale "weird wonders" into Arthropoda or Onchyphora, eliminating the need for separate extinct phyla. There is no such thing as a need for a separate phylum. What rank... grant to taxa (above species) is arbitrary. ``phyla can be thought of as grouping animals based on ...

...(Paul Ciszek) wrote: The hits I get on "extinct phylum" all point to Stephen Jay Gould's "... the Burgess Shale "weird wonders" into Arthropoda or Onchyphora, eliminating the need for separate extinct phyla. There is no such thing as a need for a separate phylum. What rank we grant to taxa (above species) is arbitrary. ``phyla can be thought of as grouping animals based on ...

...:21 pm, nos...@nospam.com (Paul Ciszek) wrote: The hits I get on "extinct phylum" all point to Stephen Jay Gould's "Wonderful Life" view of the Burgess ... disagree with Gould, put the Burgess Shale "weird wonders" into Arthropoda or Onchyphora, eliminating the need for separate extinct phyla. There is no such thing as a need for a separate phylum. What rank we grant to taxa (above ...

..."weird wonders" have been shoehorned into existing phyla. So, are there any extinct animal phyla? -- Please reply to: | "One of ... all life on Earth is now extinct. And yes this includes taxons up .... The hits I get on "extinct phylum" all point to Stephen Jay ..., eliminating the need for separate extinct phyla. -- Please reply to: | "One of ...

As a sideline to my earlier inquiry about extinct phyla, I realized that the phylum Myxozoa shouldn't exist anymore because all myxozoans have been re-classified into Cnidaria ... begin with, with almost all of its members being unicellular. So, have any other phyla been classified out of existance? -- Please reply to: | "One of ...

...What rank we grant to taxa (above species) is arbitrary. ``phyla can be thought of as grouping animals based on general ...the first doesn't imply the later. Classification of organisms into phyla is not 'arbitrary' Did you even read what I wrote? Organisms are grouped into phyla according to major phenotypic and developmental differences. Organisms...

>> On Oct 31, 11:18 am, nos...@nospam.com (Paul Ciszek) wrote: I have heard the claim that all of the Burgess Shale "weird wonders" have been shoehorned into existing phyla. So, are there any extinct animal phyla? I don't think they've all been shoehorned into other phyla.