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gion, “Palaeorissoina” sokolovensis sp.<br />
nov., O. sinzowi sp. nov., and Nerineopsis<br />
turritum sp. nov. from Lower Aptian<br />
of the Saratov region. The Upper Hauterivian<br />
for the first time yielded representatives<br />
of the genera Pseudomelania<br />
s. l., Ampullina, and Sulcoactaeon. The<br />
specimens of Cirsocerithium subspinosum<br />
Deshayes, 1842, Ringinella obtusa<br />
(Nackij, 1916), and Crispotrochus humilis<br />
(Trautschold, 1865) found in the<br />
Lower Aptian of the Volga region are<br />
figured for the first time.<br />
2010010226<br />
乌 拉 尔 古 盆 地 古 生 代 菊 石 的 生 态 结 构<br />
和 生 态 进 化 阶 段 = Ecological structure<br />
and stage of ecogenesis of Paleozoic<br />
ammonoids in the Uralian paleobasin.<br />
( 英 文 ). Boiko M S; Konovalova V A.<br />
Paleontological Journal, 2009, 43(5):<br />
519-526 2 图 版 .<br />
The ecological structure of Paleozoic<br />
ammonoid assemblages of the Uralian<br />
paleobasin is discussed. Life forms (nektobenthic,<br />
planktonic, and benthopelagic)<br />
are used as ecological units. Four stages<br />
in evolution of the communities, with<br />
distinct structure and evolutionary pathways,<br />
are recognized.<br />
2010010227<br />
早 白 垩 世 Ancyloceratina 亚 目 菊 石 异<br />
形 和 单 形 的 演 化 = The evolution of the<br />
heteromorph and monomorph Early Cretaceous<br />
ammonites of the suborder<br />
Ancyloceratina Wiedmann. ( 英 文 ).<br />
Mikhailova I A; Baraboshkin E Yu. Paleontological<br />
Journal, 2009, 43(5): 527-<br />
536 6 图 版 .<br />
The relationship between the appearances<br />
of heteromorph and monomorph<br />
ammonoids and changes in the abiotic<br />
environment was studied. The correlation<br />
of these processes was examined for<br />
different intervals in the Early Cretaceous.<br />
The phylogeny of the superfamily<br />
Ancyloceratoidea Gill from the time of<br />
appearance of early heteromorphs (due<br />
to changes in ecological specialization)<br />
and the reversal process of the return to<br />
monomorph shells is examined for four<br />
superfamilies. The origin of monomorph<br />
ammonites of the superfamilies Theodoritoidea<br />
Baraboshkin et I. Michailova,<br />
superfam. nov., Douvilleiceratoidea<br />
Parona et Bonarelli, Parahoplitoidea<br />
Spath et Deshayesitoidea Stoyanow<br />
from heteromorph ancestral families<br />
Crioceratitidae Gill, Ancyloceratidae<br />
Gill, Hemihoplitidae Spath, and Heteroceratidae<br />
Spath in the superfamily Ancyloceratoidea<br />
Gill is suggested.<br />
2010010228<br />
Volgian 阶 的 菊 石 新 种 Craspedites<br />
schulginae sp. nov. = Craspedites<br />
schulginae sp. nov., a new ammonite<br />
species from the Volgian Stage. ( 英 文 ).<br />
Alifirov A S. Paleontological Journal,<br />
2009, 43(6): 612-614 1 图 版 .<br />
Revision of the Siberian Middle- and<br />
Upper Volgian ammonites, which were<br />
previously identified as Craspedites<br />
mosquensis Geras. allow their reidentification<br />
as a new species C. schulginae<br />
sp. nov.<br />
2010010229<br />
俄 罗 斯 地 台 Ryazanian 阶 特 提 斯 型 菊<br />
石 属 Subalpinites Mazenot = Ammonites<br />
of Tethyan origin from the Ryazanian<br />
of the Russian platform: Genus<br />
Subalpinites Mazenot. ( 英 文 ). Mitta V<br />
V. Paleontological Journal, 2009, 43(5):<br />
615-625 6 图 版 .<br />
The ammonite genus Subalpinites is<br />
known from the Berriasian of southern<br />
and central Europe, North Africa, Mangyshlak,<br />
and Ryazanian Stage of Central<br />
Russia. New species are described: S.<br />
gruendeli sp. nov., S. faurieformis sp.<br />
nov., S. remaneiformis sp. nov. These<br />
species and also S. krischtafowitschi<br />
Mitta characterize the lower subzone of<br />
the Riasanites rjasanensis Zone in the<br />
Moscow Region. The upper subzone of<br />
this zone in the Ryazan Region con-<br />
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