dc:creator"Martins, Angele; Folly, Manuella; Ferreira, Guilherme Nunes; Garcia da Silva, Antonio Samuel; Koch, Claudia; Fouquet, Antoine; Machado, Alessandra; Lopes, Ricardo Tadeu; Pinto, Roberta; Rodrigues, Miguel Trefaut; Passos, Paulo";
dc:date"2023";
dc:title"An evolutionary paradox on threadsnakes: Phenotypic and molecular evidence reveal a new and remarkably polymorphic species of Siagonodon (Serpentes: Leptotyphlopidae: Epictinae) from Amazonia";
dc:description"Figure 3. Dorsal (A, D), lateral (B, E), and ventral (C, F) views of the holotype (MNRJ 27562; Figs A - C) and paratype (MNHN-RA- 2023.0001; D - F) of Siagonodon exiguum sp. nov.";
dc:description"Figure 4. Comparisons of the head in dorsal (left column), lateral (middle column) and ventral (right column) views of the type series of Siagonodon exiguum sp. nov. A MNHN-RA- 2023.0001; B MNRJ 27557; C MNRJ 27558; D MNRJ 27559; E MNRJ 27560; F MNRJ 27561; G MNRJ 27562 (holotype).";
dc:description"Figure 5. Comparisons of the tail in dorsal (left column), lateral (middle column) and ventral (right column) views of the type series of Siagonodon exiguum sp. nov. A MNRJ 27558; B MNRJ 27559; C MNRJ 27560; D MNRJ 27561; E MNRJ 27562 (holotype); F MNHN-RA- 2023.0001.";
dc:description"Figure 6. Three-dimensional reconstruction of the skull of Siagonodon exigumm sp. nov. based on µ-CT data in dorsal (A, D, G), lateral (b, e, h), and ventral (c, f, i) views. MNRJ 27562 (a - c), MNHN-RA- 2023.0001 (d - f), MNRJ 27558 (g - i). Abbreviations: bo basioccipital; fr frontal; ma maxilla; na nasal; ot otooccipital; pa parietal; pal palatine; pbs parabasisphenoid; pf prefrontal; pm premaxilla; pr prootic; pt pterygoid; sm septomaxilla; so supraoccipital; vo vomer.";
dc:description"Figure 7. Three-dimensional reconstruction of the lower jaw of Siagonodon exigumm sp. nov. based on µ-CT data in lateral (a, c, e) and medial (b, d, f) views. MNRJ 27562 (a - b), MNHN-RA- 2023.0001 (c - d), MNRJ 27558 (e - f). Abbreviations: an angular; asf anterior surangular foramen; co coronoid; de dentary; dppd dorsoposterior process of dentary; mf mental foramen; par prearticular lamina of compound bone; qd quadrate; qdf quadrate foramen; rp retroarticular process; sp splenial; spd symphyseal process of dentary.";
dc:description"Figure 8. Three-dimensional reconstruction of the atlas (first to third column) and axis (fourth to sixth column) of Siagonodon exigumm sp. nov. in anterior, lateral and posterior views based on µ-CT data. MNRJ 27562 (a), MNHN-RA- 2023.0001 (b), MNRJ 27558 (c). Abbreviations: af articular facet; con condile; iI intercentrum I: iII intercentrum II; iIII intercentrum III; na neural arch; od odontoid; odp odontoid process; sp spinal process.";
dc:description"Figure 9. Three-dimensional reconstruction of the pelvic rudiments of Siagonodon exigumm sp. nov. based on µ-CT data. MNRJ 27562 (a), MNHN-RA- 2023.0001 (b), MNRJ 27558 (c). Abbreviations: fe femur; il ilium; is ischium; pu pubis.";
dc:description"Figure 10. Schematic illustrations (upper line) and photos (lower line) of the asulcate (left) and sulcate (right) sides of the hemipenis of Siagonodon exigumm sp. nov. (MNRJ 27560).";
