For the extinct brachiopods, the Treatise on Invertebrate Paleontology
is a good option.  I haven't found a good comprehensive source on the
cephalopods as of yet-certain subtaxa have good data available, but
others are rather dated, and there doesn't seem to be strong consensus
on how to rank higher taxa.

On Mon, Oct 22, 2012 at 12:39 PM, Charles L Powell <[log in to unmask]> wrote:
> I'm looking for reference citations for various higher order taxonomic
> groups - usually class, order, families, and genera and I'm having a
> difficult time finding many.  Is there a web or several sites where this
> information can be obtained.  For instance, I'm trying to find the reference
> describing the family Nassariidae.  I know its Iredale (1916) but what that
> paper is exactly I don't have a clue and haven't been able to find it on the
> web.  You can find dozens of web sites that say Iredale (1916) is the author
> of Nassariidae, but no citation of what Iredale (1916) is.  Any help is
> appreciated.
>
> Best,
>
> Chuck
>
> Charles L. Powell, II
> Geology, Minerals, Energy, and Geophysics Science Center (GMEGSC), MS 975
> U. S. Geological Survey
> 345 Middlefield Rd.
> Menlo Park, CA  94025
> [log in to unmask]
> (650) 329-4985
> https://profile.usgs.gov/cpowell, http://www.youtube.com/watch?v=B7zo2zY1Zqg



--
Dr. David Campbell
Visiting Professor
Department of Natural Sciences
Gardner-Webb University
Boiling Springs NC 28017

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