Vahe Demirjian


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1 vote
24 May 2017

Pitekunsaurus and Muyelensaurus are recovered as members of Aeolosaurini in the original description of Overosaurus by Coria et al. (2013), yet your paper recovers the two genera a...

1 vote
20 Jul 2017

Hi Chase, The specimen AMNH 2550-2553 you mention was originally assigned to the ornithomimosaur Coelosaurus antiquus by Leidy (1865), only to be later made the holotype of the...

30 Sep 2015

Hi Yun, Bell et al. (2016) report a new megaraptoran specimen from Australia, and their cladistic analyses test the carcharodontosaurian and tyrannosauroid placements of Megarap...

04 Oct 2015

Hi, As you are no doubt aware, NHMUK R.3741 and NHMUK R.1831 have been named Mantellodon and Darwinsaurus respectively by Paul (2012). Gregory S. Paul (2012). "Notes on the...

06 Oct 2015

Hi Taylor, I was kind of surprised to see that only a handful of specimens of sauropod species have complete necks. Regarding Giraffatitan, you didn't mention that the reclassif...

09 Oct 2015

Hi, Since Tschopp et al. (2015) refer AMNH 7535 to Barosaurus and AMNH 7530 and SMA D16-3 to Kaatedocus, it may be imperative to update the paper by Taylor and Wedel to take int...

11 Oct 2015

Hi Mike, I forgot to mention that the following Camarasaurus (or camarasaurid specimens) have complete or near-complete necks: 1. SMA 002 (referred to Cathetosaurus lewisi in...

16 Oct 2015

With respect to juvenile tyrannosaurs found in Lancian-age strata in western North America besides CMNH 7541 and Jane, Snively and Longrich (2009) report on an undescribed juvenile...

22 Nov 2015

One of the papers by Ji et al. has now been published --- the citation for this paper is as follows: Cheng Ji, Da-Yong Jiang, Ryosuke Motani, Olivier Rieppel, Wei-Cheng Hao & Zu...

19 Jan 2016

Hi Yun, A new paper by Schmerge and Rothschild (2016) claims that Nanotyrannus is not just distinct from T. rex, but also an albertosaurine because CMNH 7541, Jane, and BHI 6437...

22 Jul 2016

Hi Chase, The correct name for "Ornithomimus" affinis should be "Dryosaurus" grandis Lull, 1911. The truth of the matter is that Gilmore (1920) coined Ornithomimus affinis as a...

25 Nov 2016

Hi, The Schott and Evans paper cited in the references section is now published: Schott, R. K. and Evans, D. C. (2016), Cranial variation and systematics of Foraminacephale b...

29 Jan 2017

Due to the description of Hungarosaurus and Struthiosaurus languedocensis, it's arguable whether all non-osteoderm, non-cranial material can be assigned to S. austriacus because of...

08 Apr 2017

Carr et al. (2017) note that the pneumatic foramen on the quadratojugal that Larson (2013) used to distinguish Nanotyrannus from T. rex is also present in Daspletosaurus horneri an...

05 May 2017

Osborn and Mook (1921) actually synonymize Amphicoelias latus with Camarasaurus supremus, but Carpenter (1998) considers it a synonym of Camarasaurus grandis because it was found l...

24 May 2017

The femur FMNH 13020 labeled as Argyrosaurus ?superbus? has been referred to Titanosauria indet. by Mannion and Otero (2012). Also, the results of the SVP abstract by Tschopp et al...

24 May 2017

Hi, I forgot to mention that the euhelopodid classification of Daxiatitan by D'Emic (2012) is questioned by Mannion et al. (2013) and Poropat et al. (2016), who recover Daxiatit...

26 May 2017

Brachiosaurus spp. should read Brachiosaurus altithorax in the cladogram due to the erection of Lusotitan for Brachiosaurus atalaiensis. Also, Baotianmansaurus and Dongyangosaurus...

05 Jun 2017

If you have an opportunity, you might want to scrutinize the original description of the Maastrichtian form Qinlingosaurus by Xue et al. (1996) to see how it compare with Ruyangosa...

14 Jul 2017

A new paper on Lethiscus by Pardo et al. (2017) recovers Aistopoda as stem-tetrapods, while recovering microsaurs and lysorophians as amniotes. In particular, their cladistic analy...

07 Aug 2017

Now that Steneosaurus obtusidens is now renamed Lemmysuchus, "Steneosaurus" megarhinus should be entered into the data matrix for Johnson et al. (2017) to test the phylogenetic hyp...

20 Sep 2017

Simon et al. (in press) describe the new Patagonian titanosaur Choconsaurus baileywillisi from the Huincul Formation (from which Argentinosaurus hails). Because Choconsaurus is rec...

04 Nov 2017

Hi Chase, The statement in the abstract "This landmass, isolated from the western landmass Laramidia by a great inland sea known as the Western Interior Seaway, may have been a...

04 Nov 2017

Hi Chase, I know you mentioned ornithomimosaur pedal phalanges from the Atlantic Coastal Plain that are more robust than AMNH 2551, 2552, and 2553, but Tsogtbaatar et al. (2018)...

05 Nov 2017

Hi, Currie et al. (in press) report the relocation of the Nemegtosaurus holotype quarry and describe newly discovered postcranial remains from the Nemegtosaurus type locality th...