Fig. 1. C in A Triassic crown squamate

Fig. 1. C. microlanius (NHMUK PV R36822), anatomical details. (A) Rock slab exhibits articulated partial left side of skull and mandible in medial view next to articulat- ed anterior skeleton. (B to D) Segmented CT scan models with regions outlined in (A); (B) is obverse side to (A). (E) Close-up of the left-hand side of the skull in medial view. (F) Lateral view of CT-scanned right mandible. Arrow points to anterior in this and subsequent figures. 2nd, secondary; Ad, adductor; An, angular; Ant, anterior; At, atlas; Ax, axis; Ba, basioccipital; Bs, basipterygoid; C, crest or crista; Car, carpal; Cer, cervical; Cl, clavicle; Co, coracoid; Cor, coronoid; De, deltopectoral; Den, dentary; Do, dorsal; Ec, ectopterygoid; Ect, ectepicondyle (ectepicondylar); Ent, entepicondylar; Fo, foramen (foramina); Fos, fossa; Hu, humerus (humeral); In, intercentrum; Inc, interclavicle; Ju, jugal; L., left; Lac, lacrimal; Mt., metacarpal; Mx, maxilla (maxillary); Not, notch; Oto, otoccipital; Pa, palatine; Pm, premaxilla; Po, postorbital; Post, posterior; Pra, prearticular; Prf, prefrontal; Proc, process; Pt, pterygoid; Q, quadrate; R, right; Ra, radius; Rart,retroarticular; Ri, rib; Sc,scapula;Sp, septomaxilla; Sph, sphenoid; Spl,splenial; Sq, squamosal; Sup, supratemporal; Sur, surangular; Tu, tubera; Ul, ulna; V, vertebra(l); Vo, vomer.