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. 2024 Nov 27;11(11):231874. doi: 10.1098/rsos.231874

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© 2024 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Images from the holotype NHMUK PV R36822 of C. microlanius, separate isolated bones referable to the taxon and a palatine of Tanystropheus longobardicus for comparison. — Images from the holotype NHMUK PV R36822 of C. microlanius, separate isolated bones referable to the taxon and a palatine of †Tanystropheus longobardicus for comparison. (a) Distal end of left humerus in anterior view exposed on the surface of the holotype rock showing an ectepicondylar and an entepicondylar foramen and the capitellum. (b) NHMUK PV 38911 isolated larger specimen of the distal end of left humerus of †Cryptovaranoides microlanius in (above) anterior and (below) posterior views showing similar features except the condyle of the capitellum. (c) Right maxilla, right vomer in ventral view, right septomaxilla in dorsal view and both premaxillae exposed on the surface of the holotype rock. (d) Scan of right septomaxilla in posteromedial view. (e) Scan of NHMUK PV R36822, mainly in ventral view, showing right lower jaw, orbitosphenoid, right jugal, right quadrate, basioccipital, sphenoid, anterior vertebrae and ribs as well as pectoral and forelimb bones. (f) Scan of left jugal in lateral view for comparison. (g,h) Fragment of right otoccipital from scan of NHMUK PV R36822 showing position of vagus foramen, in (g) medial and (h) lateral views. (i,j) NHMUK PV 38889, fragment of left exoccipital part of otoccipital in (i) lateral and (j) medial views, annotated to show vagus foramen. (k) Isolated right palatine NHMUK PV R 38916 of †Cryptovaranoides microlanius in ventral view, showing extent of the choanal sulcus (fossa). (l) Right palatine of †Tanystropheus longobardicus PIMUZ T 2484 showing position of choanal channel. Scale bars all 2 mm except (a) = 0.5 mm and (d) = 1 mm. Arrows show anterior.ant, anterior; at, atlas; ax, axis; ba, basioccipital; bi, bicapitate; cap, capitellum; cen, centrum; ch, choana; chn, channel; cv, cavity; ect, ectepicondyle; ent, entepecondyle (entepicondylar); fct, facet; fo, foramen (foramina); for, foramen; fos, fossa; hg, hypoglossal; hu, humerus (humeral); hyo, hyoid; in, intercentrum; ju, jugal; l., left; lj, lower jaw; msof, margin of suborbital fenestra; mx, maxilla (maxillary); ne, neural; od, odontoid; orbs, orbitosphenoid; oto, otoccipital; pcf, posterior of the choanal fossa; pm, premaxilla; posl, posterolateral; post, posterior; pmd, posteromedial; proc, process; pt, pterygoid; q, quadrate; r, right; ra, radius; raul, radioulnar; ri, rib; s, spine; sp, septomaxilla; sph, sphenoid; th, tooth (teeth); thr, tooth row; tr, trochlea; unc, unicapitate; vf, vagus foramen; vo, vomer (vomerine).