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2010010269
奥 地 利 Calcareous Alps 北 部 欧 洲 最
老 的 侏 罗 纪 菊 石 及 其 全 球 意 义 = On
the oldest Jurassic ammonites of Europe
(Northern Calcareous Alps, Austria) and
their global significance. ( 英 文 ). Hillebrandt
A V; Krystyn L. Neues Jahrbuch
fur Geologie u. Palaontologie / Abhandlungen,
2009, 253(2-3): 163-195
The earliest ammonite species of Jurassic
type, Psiloceras spelae, was unknown
till 1998. This species bridges the
long gap between the latest Triassic and
the earliest Jurassic ammonoids. It was
discovered in North America, then in
South America and finally in Europe.
The species is proposed as boundary
marker for the base of the Jurassic system.
It is known in two forms which are
regarded as subspecies.
2010010270
腹 足 类 Aldanella 属 (Archaeobranchia,
Pelagielliformes) 形 态 新 资 料 = New
data on the morphology of ancient gastropods
of the genus Aldanella
Vostokova, 1962 (Archaeobranchia,
Pelagielliformes). ( 英 文 ). Parkhaev P
Yu. Paleontological Journal, 2006,
40(3): 244-252 5 图 版 .
The position of attachment of the
shell muscle is discovered in the columellar
area of the shell of the Early
Cambrian univalved genus Aldanella
(family Aldanellidae, order Pelagielliformes,
subclass Archaeobranchia), the
structure of its protoconch is described,
and the presence of series of septa in the
embryonic part of their shell is confirmed.
These new features confidently
support the position of the family
Aldanellidae within the gastropod class
and allow them to be considered ancestral
to younger gastropod lineages with a
turbospiral shell.
2010010271
显 生 宙 正 常 海 相 双 壳 类 软 体 动 物 的 分
类 多 样 化 = Taxonomic diversification
of normal-marine bivalve mollusks in
the Phanerozoic. ( 英 文 ). Dmitriev V Yu;
Nevesskaja L A. Paleontological Journal,
2006, 40(3): 253-260 6 图 版 .
The dynamics of the taxonomic diversification
of normal-marine bivalve mollusks
and that of the entire fossil marine
skeletal fauna are compared. A major
Early Permian turnover has been revealed.
The changes in the proportions
of the bivalve mollusks to the entire marine
fauna during the Phanerozoic are
studied.
2010010272
亚 洲 东 北 部 卡 尼 阶 Apartidae 科 菊 石
的 首 次 发 现 = The first discovery of
Apartidae (Ammonoidea) in the Carnian
of northeastern Asia. ( 英 文 ). Konstantinov
A G. Paleontological Journal, 2006,
40(3): 261-265 4 图 版 .
A new genus Siberioklipsteinia (with
the type species S. dagysi sp. nov.) and a
new species Arctoarpadites nelgesensis
are described from the Carnian of the
Kharaulakh Range and Yana Upland
(eastern Yakutia). The new data allow
refinement of the taxonomy of Carnian
ammonoids of northeastern Asia and
emendation of some details of their geographical
differentiation. The new ammonoid
taxa belong to the family Arpaditidae,
which was not previously recorded
from the eastern Boreal Realm.
2010010273
伏 尔 加 河 地 区 Ulyanovsk 一 带 欧 特 里
夫 期 腹 足 类 软 体 动 物 :2. Khetella 属
和 Cretadmete 新 属 = Gastropod mollusks
from the Hauterivian of Ulyanovsk
(Volga Region): 2. Genera Khetella
Beisel, 1977 and Cretadmete gen. nov..
( 英 文 ). Blagovetshenskiy I V; Shumilkin
I A. Paleontological Journal,
2006, 40(2): 143-149 2 图 版 .
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