Reassessment of the Middle Triassic rauisuchian archosaurs Ticinosuchus ferox and Stagonosuchus nyassicus Stephan LautenschlagerJulia Brenda Desojo Review Article 13 April 2011 Pages: 357 - 381
Tetrentactinia barysphaera Foreman, 1963: skeletal structure and age of a biostratigraphically important Famennian (Upper Devonian) radiolarian from the Ohio Shale, USA Jörg Maletz Research Paper 06 April 2011 Pages: 383 - 392
Frasnian bryozoans (Late Devonian) from the Khoshyeilagh Section, Alborz Mountains (northern Iran) Zoya TolokonnikovaAndrej ErnstHamed Yarahmadzahi Research Paper 10 May 2011 Pages: 393 - 405
Operculate cyclostome bryozoans (Eleidae) from the Bohemian Cretaceous Paul D. TaylorKamil Zágoršek Research Paper 18 May 2011 Pages: 407 - 432
Trigonotarbid arachnids from the Lower Devonian (Siegenian) of Bürdenbach (Lahrbach Valley, Westerwald area, Rhenish Slate Mountains, Germany) Markus PoschmannJason A. Dunlop Research Paper 25 May 2011 Pages: 433 - 447
Two ants (Insecta: Hymenoptera: Formicidae: Formicinae) from the Late Pliocene of Willershausen, Germany, with a nomenclatural note on the genus Camponotites Gennady M. DlusskyHans-Volker KarlMike Reich Research Paper 13 April 2011 Pages: 449 - 455
A small ichthyosaur from the Clearwater Formation (Alberta, Canada) and a discussion of the taxonomic utility of the pectoral girdle Erin E. MaxwellPatrick S. Druckenmiller Research Paper 03 May 2011 Pages: 457 - 463
Burrowing trilobite caught in the act Oldřich FatkaMichal Szabad Short Communication 07 June 2011 Pages: 465 - 470
Name change for the Cambrian trilobite Turkestanella Repina, 1975 Mansoureh Ghobadi Pour Short Communication 23 February 2011 Pages: 471 - 472
Erratum to: Name change for the Cambrian trilobite Turkestanella Repina, 1975 Mansoureh Ghobadi Pour Erratum 15 March 2011 Pages: 473 - 473