13. Pees M, Kiefer I, Thielebein J, Oechtering G, Krautwald-Junghanns ME (2009) Computed tomography of the lung of healthy snakes of the species Python regius, Boa constrictor, Python reticulatus, Morelia viridis, Epicratescenchria, and Morelia spilota. Vet Radiol Ultrasound 50: 487–491. 14. Raiti P, Haramati N (1997) Magnetic resonance imaging and computed tomography of a gravid leopard tortoise (Geochelone pardalis pardalis) with metabolic bone disease. J Zoo Wildl Med 28: 189–197. 15. Samii VF, Biller DS, Koblik PD (1998) Normal cross-sectional anatomy of the feline thorax and abdomen: comparison of computed tomography and cadaver anatomy. Vet Radiol Ultrasound 6: 504–511. 16. Smith DG, Campbell G (1976) The anatomy of the pulmonary vascular bed in the toad Bufomarinus. Cell Tissue Res 165: 199–213. 17. O’Malley B (2007) Clinical anatomy and physiology of exotic species Structure and function of mammals, birds, reptiles and amphibians. New York: Elsevier Saunders. 269 p. 18. Pough FH, Heiser JB, McFarland W (1996) Vertebrate Life. 4th edition. New Jersey: Prentice Hall. 19. De Iuliis G, Pulera D (2007) The dissection of vertebrates A laboratory manual. London: Elsevier Academic Press. 20. Kent GC, Carr RK (2001) Comparative anatomy of the vertebrates, 9th edn. Singapore: McGraw-Hill. 21. Dinley J, Hawkins L, Paterson G, Ball AD, Sinclair I, et al. (2010) Micro- computed X-ray tomography: a new non-destructive method of assessing sectional, fly-through and 3D imaging of a soft-bodied marine worm. J Microsc 238: 123–133. 22. Ziegler A, Faber A, Mueller S, Bartolomaeus T (2008) Systematic comparison and reconstruction of sea urchin (Echinoidea) internal anatomy: a novel approach using magnetic resonance imaging. BMC Biol 6: 1–15. 23. Ziegler A, Faber C, Bartolomaeus T (2009) Comparative morphology of the axial complex and interdependence of internal organ systems in sea urchins (Echinodermata: Echinoidea). Front Zool 6: 1–31. 24. Ziegler A, Mooi R, Rolet G, Ridder C (2010) Origin and evolutionary plasticity of the gastric caecum in sea urchins (Echinodermata: Echinoidea). BMC Evol Biol 10: 1–32. Modern Imaging Techniques to Reveal Animal Anatomy 25. Dierick M, Cnuddeb V, Masschaelea B, Vlassenbroecka J, Hoorebekea LV, et al. (2007) Micro-CT of fossils preserved in amber. Nuclear Instrum Methods 580: 641–643. 26. Rieppel O, Gauthier J, Maisano J (2008) Comparative morphology of the dermal palate in squamate reptiles, with comments on phylogenetic implications. Zool J Linn Soc 152: 131–152. 27. www.digimorph.org (Digital Morphology. A National Science Foundation Digital Library at the University of Texas, Austin). 28. www.digitalfishlibrary.org (Digital Fish Library. A collaborative project at the University of California, San Diego funded by the National Science Foundation’s (NSF) Biological Infrastructure program). 29. Haacke EM, Brown RW, Thompson MR, Vankatesan R (1999) Chap 15: Signal, contrast, and noise, Chap 23: Motion artifacts and flow compensation. In: Magnetic Resonance Imaging. New York: John Wiley & Sons. pp 331–380 and 669–702. 30. Bojanus LH (lived 1776–1827). Anatometestudinis Europaeae/indagavit, depinxit, commentatus Vilnae, Impensisauctoris, typis Josephi Zawadzki, Contributed By: Harvard University, MCZ, Ernst Mayr Library. 31. Young J (1929) Malpighi’s ‘‘De Pulmonibus’’. Proc Royal Soc Med 23: 1–11. 32. Randall D, Burggren W, French K (2002) Eckert animal physiology. 5th edition. New York: WH Freeman and Company. 33. Rosen DE, Greenwood PH (1976) A fourth neotropical species of synbranchid eel and the phylogeny and systematic of synbranchiform fishes. Bull Am Mus Nat Hist 157: 1–69. 34. Secor SM (2008) Digestive physiology of the Burmese python: broad regulation of integrated performance. J Exp Biol 211: 3767–3774. 35. Baker M (2010) Whole-animal imaging: The whole picture. Nature 463: 977–980. 36. Zhou YQ, Davidson L, Henkelman RM, Nielman BJ, Foster FS, et al. (2004) Ultrasound-guided left ventricular catheterization: a novel method of whole mouse perfusion for microimaging. Lab Invest 84: 385–389. 37. Ziegler A, Ogurreck M, Steinke T, Beckmann F, Prohaska S, et al. (2010) Opportunities and challenges for digital morphology. Biol Direct 5: 1–9. PLoS ONE | www.plosone.org 10 March 2011 | Volume 6 | Issue 3 | e17879