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Ergo, i merely give a revised prognosis getting R

Ergo, i merely give a revised prognosis getting R

cuatro.dos Analysis

Aetosauriformes (Figure 2) is different from various other archosaur clades for the having the next book mix of profile says (Nesbitt, 2011 ; Butler mais aussi al., 2014 ; ; this study): convex distal edge of distal maxillary white teeth (distributed to some loricatans along with crocodylomorphs); circular and you can dense factors towards the medial area of the rear procedure of brand new squamosal towards the paroccipital process (distributed to Turfanosuchus dabanensis); diapophysis and you may parapophysis towards the center trunk spinal vertebrae extended on stalks (shared with ornithischian dinosaurs, ornithosuchids, E. okeeffeae, and crocodyliforms); distance are less than 80% of your own amount of the brand new humerus (distributed to Dinosauria, Protosuchus richardsoni, and you may Alligator mississippiensis); and you can presacral paramedian osteoderms was mediolaterally large than anteroposteriorly enough time (distributed to Riojasuchus tenuisceps, protosuchid crocodyliforms, phytosaurs, therefore the archosauriform V. campi); horizontal osteoderms establish during the all carapace (distributed to erpetosuchids, A great. geoffreyi and you will aetosaurians).

Modified analysis

I conclude your prognosis of your own genus is not alternative and you can restricted to the latest genus as the in the first place diagnosed by Appear ( 1989 ) and you may amended because of the Heckert et al., ( 2012 ) (pick need lower than). callenderi in line with the holotype and you may introduced thing.

Revised analysis

Roentgen. callenderi and contains the following novel mixture of character states (autapomorphies ; ): maxillary teeth better inset in the horizontal margin of your skull (= buccal emargination) (distributed to ornithischian dinosaurs); arbitrary patterning into dorsal body of square paramedian osteoderms (in the place of radial patterning; distributed to T. coccinarum); head duration exceeds compared to brand new femur (distributed to phytosaurs, proterochampsids, and you can pterosaurs) where femur is

61% the size of the fresh head; descending procedure for the fresh nasal matches on an effective concave socket to your the fresh new premaxilla (shared with T. dabanensis); small outside nares (maximum aspect

1/3 the duration of new orbit anteroposterior length)*; posterior means of jugal matches towards a-v-designed slot throughout the quadratojugal*; firmly verticalized parabasisphenoid (basitubera was dorsal to your pterygoid process) (shared with specific loricatans); average pharangeal recess of the parabasisphenoid split up from the a powerful straight ridge*; additional epidermis of your squamosal laterally displaced with regards to the quadrate (distributed to aetosaurs, Gracilisuchus stipanicicorum, and you may Tarjadia ruthae); rear caudal osteoderms bonded with the a good tube*; dorsal eminence of your own paramedian osteoderms counterbalance sideways throughout the osteoderm center; lateral osteoderms that will be significantly oblong (instead of equant otherwise nearly equant) (shared with erpetosuchids); revealing group of ventral osteoderms (shared with aetosaurs, such as, S. robertsoni).

cuatro.six Known specimens

So it osteological breakdown depends mainly into the: PEFO 33787, PEFO 33788, limited skull; PEFO 33789, proper scapulocoracoid; PEFO 33819, a couple sacral centra; PEFO 33845, left posterior part of the iliac blade; PEFO 33847, fused gastralia; PEFO 33848, dorsal rib; PEFO 33861, cervical vertebra; PEFO 33870, incomplete manus; PEFO 33874, kept and you will correct frontals; PEFO 33875, sacral centrum; PEFO 33876, partial proper ilium; PEFO 33892, right ilium; PEFO 33894, left ilium; PEFO 34056, limited best ilium; PEFO 34269, limited bones and you will head; PEFO 34273, remaining tibia; PEFO 34274, left maxilla and you may lacrimal; and you will PEFO 34561, almost done skull and you may relevant bones; PEFO 34570, partial braincase; PEFO 34833, articulated cervical spinal vertebrae; PEFO 36875, nearly over head and you may related sample; PEFO 36876, limited bones; PEFO 42442/UWBM 116869, mostly done bones; PEFO 38609, complete skull; PEFO 33791, best ilium; and you will PEFO 33991, correct ilium. A lot more trick specimens tend to be NMMNH P-16932, limited skeleton (See et al., 2005 ), and other NMMNH specimens placed in Heckert ( 2002 ). The solitary function specimens in the list above match aspects based in the limited relevant skeletons which means that is unambiguously assignable to Reveueltosaurus callenderi. A full variety of specimens referred to R. callenderi exists when you look at the Analysis S1 and you will linear measurements of related specimens are offered in Studies S2. Discover three-dimensional designs out-of PEFO 34561 are supplied into the Studies S4.

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