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Re: Titanosaurs refs INFO



Alessandro Marisa wrote-

> Dear ListMembers, I'm very grateful if someone could tell me which genus
and specie of Titanosaurs
> are described in this papers:
> ARGH.. all the papers are in the journal "Ameghiniana".
> _Curry Rogers, K. The anatomy and phylogeny of a new Titanosaurid from
Madagascar (Upper
> Cretaceous Maevarano Formation). Paleovertebrados 38(4) suplemento: 18R

undescribed titanosaurid (Curry Rogers and Forster 1999)
Maastrichtian, Late Cretaceous
Anembalemba Member of Maevarano Formation, Madagascar
Material- (MAD 96-01) coracoid
(MAD 99-33) distal caudal vertebrae
Description- The caudals are much lower than Rapetosaurus, while the
coracoid is anteroposteriorly shorter with a wide scapular articulation and
distal groove (not a coracoid foramen). This came out as a saltasaurine in
Curry Rogers (2001) phylogeny.
References- Curry Rogers and Forster, 1999. New Evidence of Titanosaurian
Sauropods in the Late Cretaceous of Madagascar. VII International Symposium
on Mesozoic Terrestrial Ecosystems, abstracts.
Curry and Forster, 1999. New sauropods from Madagascar: a glimpse into
titanosaur cranial morphology and evolution. JVP 19(3) 40A-41A
Curry Rogers, 2001. A new sauropod from Madagascar: Implications for
titanosaur lower level phylogeny. JVP 21(3) 43A.

> _Apesteguía, S. y Gimenez, O. A Titanosaur (Sauropoda) from the Gorro
Frigio Formation (Aptian,
> Lower Cretaceous), Chubut Province, Argentina. Paleovertebrados 38(4)
suplemento: 4R

Despite the different formation names, I have a feeling it's the same as-

undescribed titanosauriform (Apesteguia and Gimenez, 2001)
Aptian, Early Cretaceous
Cerro Barcino Formation, Argentina
Material- dorsal vertebrae, scapulocoracoid
Description- This specimen has- strongly opisthocoelous dorsals;
hyposphene-hypantra; acuminate dorsal pleurocoels; centroparapophyseal
laminae; unforked neural spines; postspinal laminae; step shaped
articulation in the scapulocoracoid; square coracoid.
Comments- Non-titanosaurid.
Reference- Apesteguia and Gimenez, 2001. The Late Jurassic-Early Cretaceous
worldwide record of basal titanosauriforms and the origin of titanosaurians
(Sauropoda): New evidence from the Aptian (Lower Cretaceous) of Chubut
Province, Argentina. JVP 21(3) 29A.

> Calvo, J.O.; Porfiri, J.; Veralli, C. y Poblete, F. A giant Titanosaurid
Sauropod from the Upper
> Cretaceous of Neuquén, Patagonia, Argentina. Paleovertebrados 38(4)
suplemento: 5R

undescribed titanosaurid (Calvo, Porfiri, Veralli and Poblete, 2001)
Turonian-Santonian, Late Cretaceous
Rio Neuquen Formation, Argentina
Material- eight cervical vertebrae (1.02 m), partial dorsal vertebra,
sacrum, two caudal vertebrae (proximal 800 mm high), ilia, pubis (1.37 m),
ischium
Description- Titanosaurid characters include- no dorsal hyposphene-hypantra;
six sacrals; procoelous proximal caudals; anteriorly placed caudal neural
arches; open haemal arches; pubis longer than ischium.  Diagnostic
characters include- very high dorsal(?) neural spines; sail-like in anterior
view; strong prespinal laminae on proximal caudal vertebrae; proximal caudal
neural spines laterally expanded at distal end.
Reference- Calvo, Porfiri, Veralli and Poblete, 2001. One of the largest
titanosaurid sauropods ever found, Upper Cretaceous, Neuquen, Patagonia,
Argentina. JVP 21(3) 37A.

Mickey Mortimer