This is not an exhaustive list of the available literature, but this collection of resources that proved useful in assembling the Monkey-Lizards Gallery:
On the web:
Prof. Silvio Renesto—Vertebrate Paleontology at Insubria University: Research
Vertebrate Paleontology at the University of Milan
Excellent overviews of the Late Triassic environments and critters known from Northern Italy. Photographs of the fossils, colorful restorations, and reconstructions of their habits. Work by Prof. Silvio Renesto. By far the best on the web.
Elegantly posed Megalancosaurus skeletal drawing by Jaime Haedden.
Aquatic Hypuronector by Tracy Ford and an arboreal Hypuronector by Rob Gay.
In print:
Berman, David S and Reisz, Robert R. 1992. "Dolabrosaurus aquatilis, a Small Lepidosauromorph Reptile from the Upper Triassic Chinle Formation of North-Central New Mexico." Journal of Paleontology 66(6): 1001-1009.
Colbert, Edwin H. and Olsen, Paul E., 2001. "A New and Unusual Aquatic Reptile from the Lockatong Formation of New Jersey (Late Triassic, Newark Supergroup)." American Museum Novitates 3324: 1-24.
PDF from the AMNH Digital Library.
Harris, Jerald D. and Downs, Alex 2002. "A Drepanosaurid Pectoral Girdle from the Ghost Ranch (Whitaker) Coelophysis Quarry (Chinle Group, Rock Point Formation, Rhaetian), New Mexico." Journal of Vertebrate Paleontology 22 (1): 70-75.
PDF from Jerry D. Harris' website.
Pinna, Giovanni 1986. "On Drepanosaurus unguicaudatus, an Upper Triassic Lepidosaurian from the Italian Alps." Journal of Paleontology 60 (5): 1127-1132.
Renesto, Silvio 1994a. "The Shoulder Girdle and Anterior Limb of Drepanosaurus unguicaudatus (Reptilia, Neodiapsida) from the Upper Triassic (Norian) of Northern Italy." Zoological Journal of the Linnean Society 111: 247-264.
Renesto, Silvio 1994b. "Megalancosaurus, a Possibly Arboreal Archosauromorph (Reptilia) from the Upper Triassic of Northern Italy." Journal of Vertebrate Paleontology 14 (1): 38-52.
Renesto, Silvio and Fraser, Nicolas C. 2003. "Drepanosaurid (Reptilia: Diapsida) Remains from a Late Triassic Fissure Infilling at Cromhall Quarry (Avon: Great Britain)." Journal of Vertebrate Paleontology 23 (3): 703-705.
Senter, Phil 2004. "Phylogeny of Drepanosauridae." Journal of Systematic Palaeontology 2 (3): 257-268.