Longisquama insignis reconstructed. A. Lateral view overall, plus a dorsal view of the sacral area, hypothetical hatchling in lateral view, manual unguals in anterior view and dorsal view of right pes. B. Longisquama in dorsal view. C. Pectoral girdles compared. (Left) Cosesaurus. (Right) Longisquama. D. Hypothetical Longisquama egg size and shape based on pelvic opening. E. Cosesaurus aviceps rconstructed in lateral view, plus pectoral girdle in ventral view, right pes in dorsal view, egg, hatchling and pelvic girdle. F. Palatal views of Cosesaurus and Longisquama. Vertical arrows indicate centers of gravity while standing. Scale bar equals 10 cm. Abbreviations: Cl, clavicle; Co, coracoid; Ic, interclavicle; Sc, scapula; St, sternum.