The best distal tarsal 4 (Data 11m–o) try maintained and also an effective posteromedial techniques. The newest rounded proximal facial skin are a little concave that have a heel with the the fresh new rear piece. A very clear aspect is found towards the posterolateral front that would articulate towards the proximal percentage of metatarsal V. Rear toward element to own metatarsal V are a non-articular body with fossae and you may foramina. The medial side is concave and you can articulated that have metatarsal IV. Just dorsal to that particular articulation an effective concavity exists which can keeps complement the third tarsal. Distal tarsal 4 out of Roentgen. callenderi is more like phytosaurs (e.grams., AMNH FR 3001) than to paracrocodylomorphs (age.grams., ‘H. agilis’, YPM 41198; Nesbitt, 2011 ).
Metatarsal We features a horizontal extension within proximal avoid that anterodorsally overlaps metatarsal II
The newest metatarsals (Data 11p, q), exclusive away from metatarsal V, display next letters: proximal and you may distal expansions, convex distal ends up, strong horizontal tendon pits, and you can deep extensor pits towards the dorsal counters such as extremely archosauriforms (Nesbitt, 2011 ). On top of that, the new distal counters is square-designed, mediolaterally wider than dorsoventrally deep, which have a space in the center of brand new posterior front. Into the proximal have a look at, metatarsal I is ellipsoid. A couple of metatarsals portray II and you will III, however, due to the fact you’re unfinished, it is hard to help you designate such bones a position. Metatarsal II and you can III will be longest, thickest at the midshaft, and also have the top distal extension. Metatarsal IV is the thinnest at the midshaft which will be the new really gracile of four metatarsals. This new highly addicted metatarsal V (Profile 11p), portrayed out-of PEFO 34269 (kept dorsal front-right up inside an excellent cut-off off other aspects), carries a huge proximal skin for articulation with distal tarsal 4. The new distal kasidie Гјyelik end tapers to a little articular skin for contact towards the phalanges. Most of the brand new phalanges was recognized; however, because of disarticulation, this new task so you can a digit and also the order is impossible to rebuild. It is possible that the phalangeal formula is actually dos-3-4-4-?, like most other early-diverging archosaurs. The newest asymmetrical unguals features concave articular points and you will arc ventrally. New ventral side are flat and also the unguals are triangular inside the cross-area. So it morphology is a lot like that some aetosaurs (elizabeth.g., An effective. ferratus, SMNS 5771-S22; A good. scagliai, PVL 2052; Letter. engaeus, PVL 3525), but differs from the new mediolaterally compressed unguals out-of phytosaurs (age.grams., UCMP 34239), P. chiniquensis (SNSB-BSPG XXV 11e), and you can Roentgen. tenuisceps (PVL 3827).
R. callenderi and has a complex dermal skeleton of rectangular osteoderms that cover the latest dorsal and you will ventral surfaces of the animal (Figures 7b, 12h). New dorsal armor contains a couple paramedian columns out of dishes one to straddle this new midline of your creature just as the carapace off many pseudosuchians, and two columns out-of associated lateral osteoderms getting five dorsal osteoderms for each and every row such as aetosaurs (Desojo mais aussi al., 2013 ). There’s no proof one to Roentgen. callenderi possessed “sublateral” osteoderms such as those found in A great. geoffreyi ( ). For every single line out of osteoderms inside the Roentgen. callenderi represents a fundamental vertebra (Hunt mais aussi al., 2005 ). This new ventral armour consists of no less than four columns regarding rectangular to help you rectangular (anteroposteriorly longer than mediolaterally wide) osteoderms that covers the fresh thorax and end. This new posteriormost osteoderms of your own end co-ossify to form a tube-such as caudal sheath. This is not clear in the event the discover gular osteoderms like in phytosaurs (elizabeth.grams., UCMP 27235). Nor is it obvious when the there had been quick appendicular osteoderms given that within the aetosaurs (age.grams., Coahomasuchus kahleorum, NMMNHS P-18496; Good. scagliai. PVL 2052) or even in erpetosuchids (age.grams., T. ruthae) (Ezcurra et al., 2017 ; Heckert & Lucas, 1999 ).