Dear Michael

if you are interested in Haliotidae, Daniel Geiger's dissertation is
available as pdf-file on his website
(http://www.sbnature.org/geiger/index.html)

Don't use the Nordsieck books! They are full of errors and most of the
drawings are bad.
This said, I admit that I used them a lot formerly, and they certainly have
their value as a resource for researchers on some groups, but not as a
compendium for beginners.
I now mostly refer to Poppe & Goto: European Seashells Vol. 1 & 2 (see at
http://www.conchbooks.de/). Gerd Lindner's book can be quite useful too. I
haven't bought the four volumes of the "Atlante delle Conchiglie marine del
Mediterraneo" from Giannuzzi-Savelli et al. yet (complete for 343 € - no
peanuts), so I don't know much about those.
There is also a good online reference for names: the Cheklist of European
Marine Molluscs (CLEMAM) at the Paris museum
(http://www.somali.asso.fr/clemam/index.clemam.html). The Società Italiana
di Malacologia published a checklist for the Mediterranean on their website
(http://www.aicon.com/sim/).
For more details contact me privately (natürlich gerne auch auf Deutsch)!

Happy shelling
Michael


+++++++++++++++++++++++++++++++++++++++++
Michael Hölling
Spanischer Weg 32
44143 Dortmund
Germany

Tel. +49-231-134173
mobile +49-173-3295335
Fax +49-231-134086
email [log in to unmask]

"In omnibus est Limax" (C. Linnaeus)
+++++++++++++++++++++++++++++++++++++++++

-----Ursprüngliche Nachricht-----
Von: Conchologists of America List [mailto:[log in to unmask]]Im
Auftrag von olivier caro
Gesendet: Monday, August 18, 2003 5:53 PM
An: [log in to unmask]
Betreff: Re: Haliotis tuberculata and lamellosa


Hello Michael

According to D.Geiger, who did a great job on Haliotidae, Haliotis
tuberculata Linnaeus 1758 is the sole and same species occuring from the NW.
European coasts to the Mediterranean sea ; it seems there are no anatomical
differences between the big atlantic abalone and the little mediterranean
one, so that lamellosa, bistriata etc... might be considered as +/- valid
synomyms of the mediterranean tuberculata. Following this opinion, you have:
- Haliotis tuberculata tuberculata Linnaeus, 1758: ranges from the Channel
islands south to Senegal & into the Mediterranean, is bigger in Atlantic and
smaller in Mediterranean, with a wide variation in sculpture, and a
continuous size transition near Gibraltar ; the lamellae are more visible on
the little Mediterranean specimens, but do exist also in Brittany.
- Haliotis tuberculata coccinea Reeve, 1846: is a NW. African subspecies
ranging from the offshore islands south to Cabo Verde archipelago, with a
doubtful form named Haliotis tuberculata coccinea canariensis, that you fish
(that's funny) mostly in the Cabo Verde, if I've correctly understood all
that story, but here I can fail.

Hope this will help.
For better infos about these species, see
http://www.sbnature.org/geiger/ABMAP/text/index.html
D. Geiger is a serious name killer. Ask for his work on abalones.
See also this:
http://www.idscaro.net/ancient/ext/haliotidae.htm for some tuberculata pics
(that's an old site, which may run less or more correctly ; I'm building a
new release, work in progress with no more bugs etc... this old one has been
moved into a temporary directory, maybe some links are broken).

With best regards,

Olivier Caro

----- Original Message -----
From: "Michael Toennies" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, September 18, 2003 12:12 PM
Subject: Haliotis tuberculata and lamellosa


> Hello
>
> I have found in some years about 50 Haliotis from Ibiza, Balearic Islands.
>
> I have checked some books & pictures and i am pretty sure every piece is a
Haliotis tuberculata.
>
> I have seen some pictures of H. named a H. lamellosa. On some pictures you
can see its different but on many other i am somewhat sure they show a
> tuberculata form.
> There are also some named as H. tuberculata lamellosa using lamellosa as
subspecies.
>
> Are there more varieties out? I have F. Nordsiecks book about the european
seashells (ISBN 3-437-30360-0) and he mentioned there lamellosa with a note
> that he has found the shells at Ibiza.
>
> I think about to put some more rounder tuberculata in my database as form
lamellosa but is it correct? I wanted to buy a lamellosa from a trader
> as a nice addition to my collection and to show the difference - but as i
looked as the picture to the shell its looking again like a taberculata
> form... Anyone has sorted this out and had found the same problems?
>
> Michael