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Figure. General head scalation pattern for Elaphe sauromates (cs – anterior chin shields; cs' – posterior chin shields; f – frontal; g – gulars; in – internasal; l – loreal; la – upper labials; la' – lower labials; m – mental; p – parietals; pf – prefrontal; prn – prenasal; ptn – postnasal; pto – postocular; pro – preocular; r – rostral; so – supraocular; sbo – subocular; t – temporals; v – ventral shields). in Morphological characteristics of the elusive blotched snake (Elaphe sauromates) at its northwestern range limit (Romania)

Figure. General head scalation pattern for Elaphe sauromates (cs – anterior chin shields; cs' – posterior chin shields; f – frontal; g – gulars; in – internasal; l – loreal; la – upper labials; la' – lower labials; m – mental; p – parietals; pf – prefrontal; prn – prenasal; ptn – postnasal; pto – postocular; pro – preocular; r – rostral; so – supraocular; sbo – subocular; t – temporals; v – ventral shields).

Fig. 11 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 11. Wallaceophis gujaratensis with two distinct lateral stripes, from Saldi village, Amerli district, Gujarat. Photo credit Bhavesh Trivedi.

Fig. 5. Individual B in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 5. Individual B, both sides eight supralabials, fourth and fifth in contact with eye, and second and third supralabials in contact with loreal scale. (A) Left side. (B) Right side. (C) Live individual with same scalation. Photo credit Dikansh S. Parmar.

Fig. 4. Individual C in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 4. Individual C, both sides nine supralabials, fifth and sixth supralabials in contact with eye, and second, third, and fourth supralabials in contact with loreal scale. (A) Left side. (B) Right side. Photo credit Dikansh S. Parmar.

Fig. 3. Individual A in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 3. Individual A, both sides nine supralabials, fifth and sixth supralabials in contact with eye, and second, third, and fourth supralabials in contact with loreal scale. (A) Left side. (B) Right side. Photo credit Dikansh S. Parmar.

Fig. 1 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 1. Two colors of Coronella brachyura. (A) Black color. (B) Brown color. Photo credit Dikansh S. Parmar.

Fig. 2 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 2. (A) Male individual found in road kill. (B) Close up of its hemipenis. Photo credit Dikansh S. Parmar.

Fig. 9 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 9. Distribution shown in map in all four states of India along with Tropic of Cancer, Narmada and Tapi rivers. Distribution and localities shown separately in Gujarat state, Surat and Tapi districts. Map prepared by Nitin Patel and Smita Ramkumar.

Fig. 2 in Synonymised And Forgotten, The Bird'S Head Stout-Tailed Snakes, Calamophis Meyer (Squamata: Serpentes: Homalopsidae)

Fig. 2. Comparison of the tapering tail of Brachyorrhos (MSNG 30211) on left and the stout tail of Calamophis (BPBM 3850) on right.

Fig. 1. A in Synonymised And Forgotten, The Bird'S Head Stout-Tailed Snakes, Calamophis Meyer (Squamata: Serpentes: Homalopsidae)

Fig. 1. A comparison of Brachyorrhos A–C, FMNH 142323 (left) and Calamophis D–F, MSNG 3193-1(right). Brachyorrhos have a pentagonal/hexagonal frontal, divided internasal, and a narrow, long snout (A), a divided nasal that is bilobed, and two postoculars (B), and dorsal scales that are more juxtaposed than imbricate (C). Calamophis have a pentagonal/triangular frontal, a single internasal, and a broad, relatively short snout (D), an undivided nasal and a single postocular (F), and scales that are imbricate.

Fig. 4. A in Synonymised And Forgotten, The Bird'S Head Stout-Tailed Snakes, Calamophis Meyer (Squamata: Serpentes: Homalopsidae)

Fig. 4. A satellite image of West Papua, showing the geographic areas and the localities discussed in the article. Satellite image from OC® Product courtesy of TTI Production, 136 Rue Guy Arnaud, 30900 Nîmes, France.

Fig. 5. A in Synonymised And Forgotten, The Bird'S Head Stout-Tailed Snakes, Calamophis Meyer (Squamata: Serpentes: Homalopsidae)

Fig. 5. A comparison of the ventrals and body widths of Calamophis katesandersae (MSNG 56343-1) and Calamophis sharonbrooksae (MSNG 30193-1).

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- 4K Video - Golden Flying Snake (Chrysopelea ornata) head and brain 3D rendering

4K movie displaying the 3D rendering of the head and both the morphological features and spatial organization of the main encephalic subdivisions of the Golden Flying Snake. The brain reconstruction was obtained from a microCT scan of a iodine-stained specimen through manual segmentation using the software Amira 5.5.0. Other videos can be found <a href="https://zenodo.org/search?page=1&size=20&q=keywords:%22squamate%20brain%22">here</a>. If you are interested in reptile brain evolution and behavior, please, have a look to our recent publication: <a href="https://www.nature.com/articles/s41467-019-13405-w">"Comparative analysis of squamate brains unveils multi-level variation in cerebellar architecture associated with locomotor specialization"</a> Simone Macrì, Yoland Savriama, Imran Khan & Nicolas Di-Poï Nature Communications 10, 5560 (2019)   For any inquiries or additional information, please, refer to the contacts provided in the <a href="https://www.nature.com/articles/s41467-019-13405-w">article</a>.

Fig. 10 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 10. Graph showing distribution of Coronella brachyura. Prepared by Dikansh S. Parmar.

Fig. 6 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 6. Coronella brachyura preying upon gecko, coiling around it. Photo credit Dikansh S. Parmar.

Fig. 7. Captive individual did not eat frogs when offered. Photo credit Dikansh S in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 7. Captive individual did not eat frogs when offered. Photo credit Dikansh S. Parmar.

Fig. 8 in Description of head scalation variation, hemipenis, reproduction, and behavior of the Indian Smooth Snake, Coronella brachyura (Günther 1866)

Fig. 8. Eggs of Coronella brachyura in hypoosmotic condition. Photo credit Vedant Lala.