4.dos Medical diagnosis
Aetosauriformes (Shape 2) is different from some other archosaur clades inside the possessing next unique mix of character states (Nesbitt, 2011 ; Butler mais aussi al., 2014 ; ; this study): convex distal side of distal maxillary teeth (shared with certain loricatans and crocodylomorphs); game and you may dense part towards medial section https://datingranking.net/tr/daddyhunt-inceleme/ of the posterior procedure for the new squamosal to the paroccipital process (shared with Turfanosuchus dabanensis); diapophysis and you can parapophysis on the middle trunk area backbone longer towards the stalks (shared with ornithischian dinosaurs, ornithosuchids, E. okeeffeae, and crocodyliforms); distance is faster than simply 80% of your own amount of brand new humerus (shared with Dinosauria, Protosuchus richardsoni, and Alligator mississippiensis); and you can presacral paramedian osteoderms is mediolaterally wide than anteroposteriorly enough time (shared with Riojasuchus tenuisceps, protosuchid crocodyliforms, phytosaurs, plus the archosauriform V. campi); lateral osteoderms present during every carapace (shared with erpetosuchids, Good. geoffreyi and you may aetosaurians).
I ending the medical diagnosis of your genus isn’t alternative and you can limited to this new genus since in the first place diagnosed by the Seem ( 1989 ) and you will revised by the Heckert ainsi que al., ( 2012 ) (select reasoning lower than). callenderi according to research by the holotype and you may known thing.
R. callenderi and has now the following book combination of profile states (autapomorphies ; ): maxillary white teeth better inset regarding horizontal margin of your own skull (= buccal emargination) (shared with ornithischian dinosaurs); haphazard patterning toward dorsal facial skin away from rectangular paramedian osteoderms (rather than radial patterning; shared with T. coccinarum); head size is higher than regarding the new femur (distributed to phytosaurs, proterochampsids, and pterosaurs) in which the femur was
61% the size of the head; descending process of the nasal matches for the an excellent concave outlet with the the brand new premaxilla (distributed to T. dabanensis); small outside nares (limit dimensions
1/3 along the brand new orbit anteroposterior size)*; posterior procedure of jugal fits to the a-v-designed position regarding the quadratojugal*; firmly verticalized parabasisphenoid (basitubera is actually dorsal towards pterygoid process) (distributed to certain loricatans); average pharangeal recess of parabasisphenoid separated because of the an effective vertical ridge*; exterior facial skin of one’s squamosal laterally displaced with respect to the quadrate (distributed to aetosaurs, Gracilisuchus stipanicicorum, and you may Tarjadia ruthae); posterior caudal osteoderms fused towards a stronger pipe*; dorsal eminence of your paramedian osteoderms counterbalance sideways about osteoderm center; lateral osteoderms which might be markedly oblong (instead of equant or almost equant) (distributed to erpetosuchids); showing group of ventral osteoderms (shared with aetosaurs, for example, S. robertsoni).
4.6 Referred specimens
So it osteological malfunction depends mostly for the: PEFO 33787, PEFO 33788, partial head; PEFO 33789, best scapulocoracoid; PEFO 33819, one or two sacral centra; PEFO 33845, kept posterior part of the iliac knife; PEFO 33847, bonded gastralia; PEFO 33848, dorsal rib; PEFO 33861, cervical vertebra; PEFO 33870, unfinished manus; PEFO 33874, kept and proper frontals; PEFO 33875, sacral centrum; PEFO 33876, limited right ilium; PEFO 33892, proper ilium; PEFO 33894, left ilium; PEFO 34056, partial correct ilium; PEFO 34269, partial skeleton and you can skull; PEFO 34273, leftover tibia; PEFO 34274, left maxilla and you will lacrimal; and you may PEFO 34561, almost complete skull and you will related skeleton; PEFO 34570, limited braincase; PEFO 34833, articulated cervical vertebrae; PEFO 36875, nearly complete skull and you can related sample; PEFO 36876, partial bones; PEFO 42442/UWBM 116869, primarily done skeleton; PEFO 38609, complete skull; PEFO 33791, correct ilium; and you may PEFO 33991, correct ilium. Additional secret specimens is NMMNH P-16932, partial bones (Search mais aussi al., 2005 ), and other NMMNH specimens placed in Heckert ( 2002 ). The latest unmarried feature specimens listed above fits points found in the limited associated skeletons and thus was unambiguously assignable in order to Reveueltosaurus callenderi. An entire listing of specimens described R. callenderi is provided from inside the Investigation S1 and linear measurements of associated specimens are provided when you look at the Studies S2. Discover three-dimensional activities regarding PEFO 34561 are provided in the Research S4.