On the position of Cambrian archaeobranchians in the system of the class Gastropoda P. Yu. Parkhaev OriginalPaper 15 October 2017 Pages: 453 - 463
On some Rarecostites (Parkinsoniidae, Ammonoidea) from the Upper Bajocian Parkinsoni zone of the Northern Caucasus V. V. Mitta OriginalPaper 15 October 2017 Pages: 464 - 479
Shell microstructure of Discinisca suborbicularis sp. nov. (Brachiopoda, Lingulata) from the Upper Jurassic of Western Siberia T. N. SmirnovaG. T. UshatinskayaI. V. Panchenko OriginalPaper 15 October 2017 Pages: 480 - 490
Some peculiarities in the behavioral reactions of the lophophore and the trophic structuring of the colonies of the post-Paleozoic Stenolaemata (bryozoa) L. A. Viskova OriginalPaper 15 October 2017 Pages: 491 - 499
A new cornute (Homalozoa: Echinodermata) from the uppermost Middle Cambrian (stage 3, Furongian) from Northern Iran: Its systematics and functional morphology S. V. RozhnovR. L. Parsley OriginalPaper 15 October 2017 Pages: 500 - 509
Taxonomic remarks concerning ostracods of the Ponto–Caspian Basin E. I. Schornikov OriginalPaper 15 October 2017 Pages: 510 - 519
New tribe, genus, and species of paedogenetic gall midges (Diptera, Lestremiidae: Krassiloviolini trib. nov.) from the Late Cretaceous Taimyr amber Z. A. FedotovaE. E. Perkovsky OriginalPaper 15 October 2017 Pages: 520 - 532
First record of the pipefish Nerophis zapfei Bachmayer (Syngnathidae, Gasterosteiformes) from the Middle Miocene of Northern Moldova Ya. A. Popov OriginalPaper 15 October 2017 Pages: 533 - 541
New data on the morphology of the snake mackerel Abadzekhia tarletskovi Bannikov (Perciformes, Gempylidae) from the Lower Oligocene of the Northern Caucasus A. F. Bannikov OriginalPaper 15 October 2017 Pages: 542 - 546
New finds of hesperornithids in the European Russia, with comments on the systematics of Eurasian Hesperornithidae N. V. ZelenkovA. V. PanteleyevA. A. Yarkov OriginalPaper 15 October 2017 Pages: 547 - 555
First record of Chadronoxylon fossil wood (Angiospermae, Dicotyledones) from Russia M. A. Afonin OriginalPaper 15 October 2017 Pages: 556 - 561
Rhodopsin: Evolution and comparative physiology M. A. Ostrovsky OriginalPaper 15 October 2017 Pages: 562 - 572
A new replacement name for Janischewskina compressa Grozdilova et Lebedeva, 1978 (Foraminifera) T. I. StepanovaN. B. Gibshman Questions of Nomenclature 15 October 2017 Pages: 573 - 573
Davidonia nom. nov., a new substitute name for a Cambrian gastropod genus P. Yu. Parkhaev Questions of Nomenclature 15 October 2017 Pages: 574 - 574