A.  Alonso and Camargo, J. A., ?Ameliorating effect of chloride on nitrite toxicity to freshwater invertebrates with different physiology: a comparative study between amphipods and planarians?, Arch Environ Contam Toxicol, vol. 54, no. 2, pp. 259-65, 2008.

A. W.  Norden, ?Freshwater Triclad Planarians (Turbellaria) from Plummers Island, Maryland?, Bulletin of the Biological Society of Washington, vol. 15, no. 1, pp. 11 - 12, 2008.

C. P.  Petersen and Reddien, P. W., ?Smed-betacatenin-1 is required for anteroposterior blastema polarity in planarian regeneration?, vol. 319, 2008.

Y. F.  Zhong, Butts, T., and Holland, P. W., ?HomeoDB: a database of homeobox gene diversity?, vol. 10, 2008.

S. M.  Robb, Ross, E., and Alvarado, A. S., ?SmedGD: the Schmidtea mediterranea genome database?, vol. 36, 2008.

K. A.  Gurley, Rink, J. C., and Alvarado, A. S., ?Beta-catenin defines head versus tail identity during planarian regeneration and homeostasis?, vol. 319, 2008.

A.  Hejnol and Martindale, M. Q., ?Acoel development indicates the independent evolution of the bilaterian mouth and anus?, vol. 456, 2008.

M.  Iglesias, Gomez-Skarmeta, J. L., Salo, E., and Adell, T., ?Silencing of Smed-betacatenin1 generates radial-like hypercephalized planarians?, vol. 135, 2008.

P. D.  Olson, ?Hox genes and the parasitic flatworms: new opportunities, challenges and lessons from the free-living?, vol. 57, 2008.

E. M.  Robertis, ?Evo-devo: variations on ancestral themes?, vol. 132, 2008.

M.  Álvarez-Presas, Baguñà, J., and Riutort, M., ?Molecular phylogeny of land and freshwater planarians (Tricladida, Platyhelminthes): from freshwater to land and back?, Molecular Phylogenetics and Evolution, vol. 47, pp. 555-568, 2008.

F.  Carbayo, ?A new species of land planarian of Gigantea Ogren and Kawakatsu, 1990 (Platyhelminthes, Tricladida, Terricola) from Colombia, with taxonomic remarks on the genus?, Italian Journal of Zoology, vol. 75, pp. 85-95, 2008.

M. B.  Antunes, Marques, D. I. L., and Leal-Zanchet, A. M., ?Composição das comunidades de planárias terrestres (Platyhelminthes, Tricladida, Terricola) em duas áreas de floresta estacional semidecidual do sul do Brasil?, Neotropical Biology and Conservation, vol. 3, pp. 34-38, 2008.

K.  Kobayashi, Ishizu, H., Arioka, S., Cabrera, J. Padilla, Hoshi, M., and Matsumoto, M., ?Production of diploid and triploid offspring by inbreeding of the triploid planarian Dugesia ryukyuensis?, Chromosoma, vol. 117, pp. 289-296, 2008.

H. D.  Jones, McDonald, J. C., Webster, B. L., and Littlewood, T. D. J., ?Molecular and morphological evidence for two new species of terrestrial planarians of the genus Microplana (Platyhelminthes; Turbellaria; Tricladida; Terricola) from Europe?, Zootaxa, vol. 1945, pp. 1-38, 2008.

M.  Vila-Farre, Mateos, E., Sluys, R., and Romero, R., ?Terrestrial planarians (Platyhelminthes, Tricladida, Terricola) from the Iberian Peninsula: new records and description of three new species?, Zootaxa, pp. 1-20, 2008.