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material comprises acanthodian,
elasmobranch and osteichthyan remains.
Riemann F. 1998. Mikrofauna (Ichthyolithen,
Phyllocariden und Scolecodonten) aus dem
basalen Famennium (tringularis- bis crepida-
Zone) der Montaigne Noir (Frankreich).
Diplomarbeit U. Hannover, Oct.
***********
Martha RICHTER, Laboratório de
Paleontologia, Museu de Ciências e
Tecnologia, Pontifícia Universidade Católica
do Rio Grande do Sul, Porto Alegre, RS,
BRAZIL
mrichter@pucrs.br
From July 1998 was based in Germany for a
years Post-Doc with Prof. W-E. Reif. My post-
doc project deals with thousands of shark
teeth and scales, as well as other
fragmentary actinopt remains from the Upper
Permian of Brazil. I am working on a
collection of microremains coming from similar
levels studied by Wurdig-Maciel (1975). Apart
from the actinopterygian scales and teeth,
there are numerous well-preserved
xenacanthid teeth and hybodontiform-like
teeth and (fragmentary) spines. The material
is pretty well-preserved and very good for
histology as well, so I hope to be able to
provide some new insights on that South
American ichthyofauna. I plan to examine the
Palaeozoic shark collections at different
museums around Germany and elsewhere in
Europe during my stay.
Papers of note:
Richter M. & Langer M.C. 1998. Fish remains
from the Upper Permian Rio do Rasto
Formation (Paraná Basin) of southern
Brazil. In Almond, J., Anderson, J.,
Booth, P. Chinsamy-Turane, A. Cole, D.,
De Wit, M., Rubridge, B., Smith, R. &
Van Bever Don, J. (Editors) Special
Abstracts Issue Gondwana 10: Event
Stratigraphy of Gondwana. Journal of
African Earth Sciences27: 158-159.
Richter M. 1998. Dental histology and its
bearing on the systematics of the
Xenacanthiformes (Pisces:
Chondrichthtyes). pp. 43-44. Ichthyolith
Issues Special Publication 4:1-62.
* * * * * * * * * *
Alex RITCHIE, Australian Museum, 6 College
Street, Sydney. PO Box A285, Sydney
South, NSW 2000. AUSTRALIA
NEW EMAIL: alexr@amsg.am.gov.au
Alex visited the old country for the Edinburgh
VP meeting and gave a talk on the state of
play at the Age of Fishes Museum,
Canowindra.
*************
Ivan SANSOMand M. Paul SMITH, School of
Earth Sciences, University of Birmingham,
Egbaston, Birmingham BI5 2TT, U.K.
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E-mail: <SANSOM@ers.bham.ac.uk>
Abstract of note:
Sansom I.J., Smith M.M. & Smith P.M. 1999.
The Ordovician radiation of vertebrates. In
Major Events in Early Vertebrate Evolution:
Palaeontology, Phylogeny and Development.
A joint Systematics Association / Natural
Histroy Museum meeting 8-9 April 1999, p.
26.
*************
Hans-Peter SCHULTZE, Paläontologisch-
Geologisches Institut und Museum, für
Naturkunde der Humboldt-Universität,
Invalidenstr. 43, D-10115 BERLIN, GERMANY
h0662bmw@rz.hu-berlin.de
Hans-Peter Schultze has submitted a
manuscript on "Dialipinaand the characters of
basal actinopterygians" to the special volume
of the London conference held in April 1999.
Dialipinais the most primitive member of the
actinopterygians. It possesses two dorsal
fins like other osteichthyans in contrast to
other actinopterygians.
Steve Cumbaa and Rick Day, Canadian
Museum of Nature, Ottawa, Canada, H.-P.
Schultze, Museum für Naturkunde, Berlin,
Germany, and John Storer, Yukon Tourism,
Whitehorse, Canada, relocated the Devonian
locality of Stomiahykusin the northern
Mackenzie Mountains, Yukon Territories. A
float plane dropped us on a lake 2 1/2 hours
hiking distance from the locality on July 29.
The crinoidal limestone layer is extensive, but
useful vertebrate remains could only be found
in one locality on the tributary of the Snake
River. No additional lungfish skull was found,
arthrodiran plates and one large
Machaeracanthusspine instead. The age of
Stomiahykusis not Middle, but Early
Devonian. After transfer to Popcornfish lake
by helicopter, another float plane took us out
to Mayo, Yukon Territories, on August 11.
Gloria Arratia and H.-P. Schultze are
finishing a manuscript on the vertebral
structure of sarcopterygians starting with the
ontogeny of extant lungfish together with
Casciotta. There is more variation in the
structure of the vertebrae of Eusthenopteron
than shown by Jarvik and Andrews.
Schultze H-P.1999. Dialipinaand the primitive
characters of basal actinopterygians. In
Major Events in Early Vertebrate Evolution:
Palaeontology, Phylogeny and
Development. A joint Systematics
Association / Natural Histroy Museum
meeting 8-9 April 1999, p. 27.
Schultze H-P. 1999. Melanognathus, a
primitive dipnoan from the Lower Devonian
of the Canadian Arctic. Ichthyolith Issues
Special Publication5,p38-39.
* * * * * * * * * *
¶Jonas SHETCHKUS, Lithuanian Institute of
Geology, Sevcenkos 13, 2600 Vilnius,
LITHUANIA.
E-mail: jonas@geologin.lt
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