No such thing as "OSTEICHTHYES"
Tom DiBenedetto
tdib at UMICH.EDU
Tue Sep 21 12:30:47 CDT 1999
John Bruner wrote:
>As a "fish" cladist, I must remind you that the term "OSTEICHTHYES" is no
>longer recognized.
As another fish cladist, this is news to me!
> Currently, 8 classes of fishes are recognized, 3 in
>the Superclass Agnatha and 5 in the Superclass Gnathostomata. Your
>"OSTEICHTHYES" = roughly the Grade [between Superclass and Class]
>Teleostomi are divided into Classes Acanthodi, Sarcopterygii, and
>Actinopterygii.
But Osteichthys = Sarcopterygii + Actionopterygii, and is a
monophyletic group.
Teleostomi = Osteichthys + Acanthodii
You are right about Pisces though!
> For a 5 year-old, widely used fish classification scheme,
>I suggest the following reference.
>Nelson, Joseph Schiesser. 1994. Fishes of the World. 3rd edition. John
>Wiley and Sons, Inc. New York, New York, USA. 600 pp.
Very useful book, but definitly not a cladistic classification.
More information about the Taxacom
mailing list