Tyrannomimus fukuiensis, a new ornithomimosaur from Japan

[VD231991]

A new ornithomimosaur-related paper is online:
https://www.nature.com/articles/s41598-023-40804-3

Although ornithomimosaur remains have been previously reported from Japan, including a vertebra from the Early Cretaceous Sebayashi Formation informally dubbed "Sanchusaurus", Tyrannomimus is the first ornithomimosaur taxon to be described from Early Cretaceous deposits in Japan, and it is interesting to note that the paper describing Tyrannomimus demonstrates that the narrow vertical ridge on the lateral surface of iliac blade used to refer the Late Jurassic genus Aviatyrannis to Tyrannosauroidea also occurs in some ornithomimosaurs, including Shenzhousaurus and Harpymimus. The authors of this paper assign Aviatyrannis to Ornithomimosauria because they note that the ilia of this taxon are more similar morphologically to those of ornithomimosaurs than those of tyrannosauroids, so the reclassification of Aviatyrannis as the oldest ornithomimosaur fills a 20 million year ghost lineage for ornithomimosaurs stretching to the Middle Jurassic. In this way, just as unpublished results indicate that Ornitholestes is a basal oviraptorosaur, the ornithomimosaur placement of Aviatyrannis should shed new light on early ornithomimosaur evolution.

[Sim]

Mickey Mortimer doesn't agree Ornitholestes is an oviraptorosaur:

More recently, Chapelle et al. (2021) proposed a novel hypothesis using a TWiG analysis that Ornitholestes is a basal oviraptorosaur, with scansoriopterygids and oviraptorosaurs sensu stricto more closely related to each other.  Updating its cranial information and other relevant taxa in Hartman et al.'s matrix leads to a revised position just outside Maniraptoriformes, but enforcing membership in Oviraptorosauria takes eighteen additional steps, which is more than the number of oviraptorosaurian characters indicated in the presentation. 

From The Theropod Database: https://theropoddatabase.com/Coelurosauria.htm#Ornitholesteshermanni

[Faelrin]

I wonder when we'll get figures of this. Japanese figure companies have put out a number of their unique taxa over the years, that it wouldn't surprise me if this joins them at some point.

Here's an image from the paper showing the remains:

[Halichoeres]

I wonder when we'll get figures of this. Japanese figure companies have put out a number of their unique taxa over the years, that it wouldn't surprise me if this joins them at some point.

My first thought also! It's a question of who will be first to jump on it: Takara Tomy, Favorite, Kaiyodo, maybe Qualia? I have the "Sanchusaurus" from Kanna, but I think the isolated vertebra it represents came from a larger animal.

[Sim]

I would like it if Favorite made a mini figure of this new ornithomimosaur which would join their current lineup of Japanese dinosaur mini figures.  I have the Fukuiraptor and Fukuivenator and would love to have this ornithomimosaur too!