RE: Santana Theropods

[rbi <rbi@dana.ucc.nau.edu>]

Thanks to all who replied to me on and off list.  It really helped clear up my
confusion on the multiple specimens!

Regards,
Randall Irmis

>Spinosauridae
>
>Angaturama Kellner and Campos 1996
>= "Angaturama" anon. 1995
>A. limai Kellner and Campos 1996
>Holotype- (GP/2T-5) premaxillae, anterior maxilla, anterior nasal
>Comments- Originally printed on a Brazilian postage stamp in 1995.  May be a
>junior synonym of Irritator.
>References- Kellner, A. W. K. and Campos, D. de A., 1996. "First Early
>Cretaceous theropod dinosaur from Brazil with comments on Spinosauridae,"
>Neues Jahrbuch fuer Geologie und Palaeontologie Abhandlungen 199(2):
>151-166.
>
>Irritator Martill, Cruikshank, Frey, Small and Clarke 1996
>I. challengeri Martill, Cruikshank, Frey, Small and Clarke 1996
>Holotype- (SMNS 58022) incomplete skull (~840 mm) lacking anterior
>premaxilla, teeth, lower jaw lacking anterior dentary
>Comments- Martill, at the 1999 SVPCA, discussed the remains after having
>been fully prepared.  He discovered that the frontoparietal crest is a
>maxillary fragment and that previous reconstructions are very inaccurate.
>The redescription is due out in JVP.
>References- Martill, D.M., Cruickshank, A.R.I., Frey, E., Small, P.G. and
>Clarke, M.1996.  A new crested maniraptoran dinosaur from the Santana
>Formation (Lower Cretaceous) of Brazil.  Journal of the Geological Society
>of London 153: 5-8.
>
>Coelurosauria
>
>Santanaraptor Kellner 1999
>S. placidus Kellner 1999
>holotype- (MN 4802-V) three caudal vertebrae, chevrons, ischia (91 mm),
>femora, tibia, fibula, pes, integument, musculature
>Comments- see http://www.cmnh.org/fun/dinosaur-archive/2000Sep/msg00159.html
>References- Kellner, A. W. A.  1996.  Fossilized theropod soft-tissue.
>Nature 379: 32.
>Kellner, A.W.A. and D.A. Campos. 1998. Archosaur soft Tissue from the
>Cretaceous of the Araripe Basin, Northeastern Brazil.  Boletim do Museu
>Nacional, Geologia No. 42: 1-22.
>Kellner, A.W.A. 1999. Short note on a new dinosaur (Theropoda,
>Coelurosauria) from the Santana Formation (Romualdo Member, Albian),
>Northeastern brazil. Boletim do Museu Nacional (Rio de Janeiro, Brasil),
>N.S. No. 49: 8 p.
>
>Compsognathidae
>
>unnamed compsognathid
>Material- (SMNK 2349 PAL) thirteenth dorsal vertebra, several incomplete
>gastralia, sacral vertebrae 1-4, anterior ilium, pubes (144.8 mm), ischia,
>incomplete femora (165 mm), proximal tibia, proximal fibula, intestinal
>remains
>Comments- Oddly asymmetrical pubes and ischia, but very similar to
>Compsognathus.
>References- Martill, David M., Eberhard Frey, Hans-Deuter Sues, and Arthur
>R. I. Cruickshank, 2000. Skeletal remains of a small theropod dinosaur with
>associated soft structures from the Lower Cretaceous Santana Formation of
>northeastern Brazil. Can. J. Earth Sci., Volume 37: 891-900.
>
>Maniraptora
>
>unnamed maniraptoran (Frey and Martill 1995)
>Material- (SMNS 58023) (juvenile) first sacral vertebra (63.2 mm), second
>sacral vertebra (62.5 mm), third sacral vertebra (71.7 mm), fragment of
>fourth sacral neural arch and spine, fragment of fifth sacral neural arch,
>ilial fragment
>Comments- Described as an oviraptorosaur, it resembles segnosaurs,
>Chirostenotes or Avimimus most in my opinion.
>References- Frey and Martill, 1995. A possible oviraptorosaurid theropod
>from the Santana Formation (Lower Cretaceous, Albian?) of Brazil. Neues
>Jahrbuch Fur Geologie und Palaeontologie, No. 7: 397 (July 1).
>
>Mickey Mortimer