Here's some stuff from SVP to entertain all of you come Thanksgiving.
Akerson and Trost think cervical and anterior dorsal air sack diverticula helped support sauropods' necks. Apparently it works that way in avians and sauropods lack evidence of mammal-like nuchal ligaments.
Anton presented a hypthesis that ceratopsian frills were used as an acoustic device to amplify sound waves. Tests indicate low frequency sounds are amplified three times.
The Japanese hypsilophodont skull includes much of the left facial region, palatal and skull roof elements and a partial dentary. It seems more like Atlascopcosaurus and Leaellynasaura than Hypsilophodon. Other Tetori Group dinosaurs mentioned by Barrett and Manabe include an iguanodont, a nemegtosaurid, a basal titanosauriform or euhelopodid, a tyrannosaurid, a velociraptorine ("Kitadanisaurus") and an segnosaur-oviraptorosaur.
A juvenile Parasaurolophus was described by Bennett and Sullivan from the Fruitland Formation of New Mexico.
Bertini reports on titanosaurid remains from the Bauru Group of Brazil. Lots of caudal vertebrae from the various formations suggests three species were present. Sinks Gondwanatitan into Aeolosaurus, which I disagree with as can be read here:
Bilbey, Hall and Hall report a new "haplocanthosaurid" from the Morrison of Utah. 60% complete, including limbs, old adult but only 2.25 meters at the hip. No news on whether its a new genus or species.
Lots of new Ceratosaurus stuff by Britt, Chure, Holtz, Miles and Stadtman. Nick covered most of it. Nasal and lacrimal horns develop ontogenetically, sacral osified tendons, both gracile and robust forms are present at Dry Mesa. Phylogenetic analyses still keep it in Neoceratosauria/Ceratosauroidea and Ceratosauria, but only two steps more separates coelophysoids from ceratosaurs. Still not as drastic as separating abelisaurs and ceratosaurids as some have done...
Brochu presents some stuff on Sue. The sex is unknown, it has a proatlus arch and caudalmost dorsal rib. There's pneumatophores on most cervical ribs and all vertebrae through the fourth sacral. Four rows of gastralia are present and many of the anterior medial segments are fused.
A new brachiosaurid from the Ruby Ranch Member of the Cedar Mountain Formation (Burge, Bird, Britt, Chure and Scheetz). Minimum of four individuals, including vertebrae, pelvic elements, long bones and metapodials. Brachiosaurid characters include- elongate pubic peduncle, broad puboischial contact, camellate vertebrae, slender cervical centra, caudal vertebrae with short spines and back-swept ribs.
Calvo has lots of stuff from the Rio Neuquen and Rio Colorado Formations. Titanosaurids are represented by-
(MUCPv-204) 13 caudals, scapula, humerus, femur
(MUCPv-300) several dorsals
(MUCPv-302) two dorsals
(MUCPv-303) dorsals, ribs, caudals, scapula (huge!)
(MUCPv-304) three mid-cervicals (950 mm long!) (huge!)
Also a couple theropods-
(MUCPv-275) tetanuran humerus
(MUCPv-301) almost complete theropod, not abelisaurid or carcharodontosaurid
Chure, Britt, Foster, Madsen and Miles report new specimens of Ceratosaurus, Torvosaurus, Coelurus and Stokesosaurus(!) are known. Unfortunately no details (arghh!).
Clark, Norell and Barsbold report two new oviraptorid species. First is represented by the nesting specimen, another nester, the embryo and a skull. Ascending proces of premaxilla vertical, anteriorly extending parietal, anterodorsally sloped occiput, elongate cervicals, epipterygoid and coronoid are present. Other species is based on three Conchoraptor-like skeletons. Has fused nasals, more horizontal naris and proximally reduced third metacarpal that does not contact the carpus(!). Perhaps opposable? The holotype of Ovirator philoceratops is also redescribed. Can't wait until this gets into AMN!
That's it for now. More stuff will come on Sunday, including Gobi ornithurines and Avimimus. Also, expect Details on Eoenantiornis in the very near future......
Have a great Thanksgiving!