A prospective Revueltosaurus-like creature can be found about Wolfville Development (Carnian; Sues & Olsen, 2015 ) regarding Nova Scotia

A prospective Revueltosaurus-like creature can be found about Wolfville Development (Carnian; Sues & Olsen, 2015 ) regarding Nova Scotia

6.dos.3 Most other Revueltosaurus-including taxa

To begin with labeled a keen ornithischian dinosaur (Galton, 1983 ), Irmis, Parker, mais aussi al. ( 2007 ) debated you to NSM 004 Girlfriend , a rear part of a left maxilla which have much of an excellent enamel during the a keen alveolus, shares loads of reputation states with Roentgen. callenderi in dental and maxillary morphology in addition to a powerful ridge over the ventral margin of the antorbital fossa, this new well-developed buccal emargination of the tooth row inside the ventral check, and you will an effective denticled tooth top without having a basal asymmetrical swelling (Irmis, Parker, et al., 2007 ). dating for seniors giriЕџ A keen ilium regarding Wolfville Development (NSM 012 Girl ) is extremely like R. callenderi within the with a keen anterior procedure for the latest iliac blade one cannot continue anteriorly outside the prior the quantity of your own pubic peduncle possesses a standard, rounded dorsal margin on the iliac blade. This element including aids the current presence of a great Revueltosaurus-instance taxon about development (Sues & Olsen, 2015 ).

six.step three Biostratigraphic occurrences and you can effects

Roentgen. callenderi has only come submitted out of one or two portion, the kind locality regarding the Bull Canyon Creation (Dockum Category) regarding eastern The latest Mexico (Check, 1989 ; Check ainsi que al., 2005 ) and the Chinle Formation on Petrified Forest Federal Playground (Padian, 1990 ; Beuhler et al., 2001 ; Parker ainsi que al., 2005 ; Atchley ainsi que al., 2013 ; Figure 1b). During the second location, just before in search of discount specimens of your own taxon on the uppermost Bluish Mesa Representative and you will middle Sonsela Affiliate, R. callenderi is actually said to take place in a small stratigraphic diversity during the the lower-middle Petrified Forest Associate (Beuhler ainsi que al., 2001 ; Have a look, 2001 ; Parker & ) debated you to R. callenderi is away from biochronological electric. Both in this new Mexican type locality and Coated Wilderness localities during the north PEFO, Roentgen. callenderi cooccurs to your aetosaur T. coccinarum and you may mystriosuchine (= pseudopalatine) leptosuchomorph phytosaurs, taxa which have been used since index taxa towards Revueltian holochronozone (Lucas & Hunt, 1993 ; ) argued one because the during the PEFO Roentgen. callenderi try discover merely when you look at the a certain facies (blue paleosols) at one stratigraphic height (right above the Decorated Desert step 3 Sandstone), that these events don’t depict the true stratigraphic list of the brand new taxon and you will alternatively shown a preservation bias. Next findings of Roentgen. callenderi matter from the Owl Rock Member (Gordon ainsi que al., 2020 ; Whatley ainsi que al., 2013 ) and you can Sonsela Associate (Atchley et al., 2013 ) aids it hypothesis, that the brand new specimens show that at the very least at the PEFO, the fresh stratigraphic list of Roentgen. callenderi stretches toward root Adamanian holochronozone. Its lack of R. callenderi in the most other penecontemporaneous web sites regarding the Western Southwest is puzzling, such offered how abundant it is on web sites where they happen. Particularly, the newest vertebrate assemblage of your own Petrified Forest User in the Ghost Ranch inside the north The Mexico was geographically intermediate involving the form of area of Roentgen. callenderi and you may PEFO, offers the fresh new exposure some Revueltian index taxa (Irmis, Nesbitt, et al., 2007 ; Whiteside et al., 2015 ), and also perfect years limits that show they overlaps after a while with the all the way down Petrified Tree Associate from the PEFO (Irmis et al., 2011 ; Rasmussen et al., 2020 ). There is absolutely no visible taphonomic reason why it well-sampled and you can diverse assemblage must not uphold Revueltosaurus, since it includes anything from brief-bodied drepanosaurs to help you large-bodied phytosaurs and you may aetosaurs. Likewise, it’s curious you to R. callenderi was not available at almost every other Bull Canyon Creation internet or perhaps in similar strata when you look at the west Texas (age.g., Lehman & Chatterjee, 2005 ; ).

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