Untitled

2008010320
记 贵 州 顶 效 中 三 叠 世 一 新 的 海 生 爬 行 动 物
= On a new marine reptile from Middle Triassic
Yangliujing Formation of Guizhou, China.
( 中 文 ). 刘 冠 邦 ; 尹 恭 正 ; 王 雪 华 ; 王 尚 彦 ; 黄 理
中 . 高 校 地 质 学 报 , 2002, 8(2): 220-226 1 图
版 .
在 贵 州 兴 义 顶 效 绿 荫 村 西 大 约 150m 绿 荫
水 泥 厂 南 面 采 石 场 出 露 的 中 三 叠 统 杨 柳 井
组 ( 拉 丁 阶 ) 灰 黑 色 中 薄 层 灰 岩 中 发 现 一
新 的 海 生 爬 行 动 物 —— 绿 荫 顶 效 龙
Dingxiaosaurus luyinensis gen. et sp. nov.。
它 的 肢 骨 形 态 和 结 构 颇 为 独 特 , 股 骨 、
胫 、 腓 骨 以 及 跗 骨 的 形 状 和 结 构 相 似 于 原
始 的 鱼 龙 , 而 趾 骨 形 状 和 数 目 有 些 相 似 于
最 早 的 蛇 颈 龙 , 但 又 与 所 有 已 知 的 鱼 龙 和
蛇 颈 龙 类 的 属 种 均 明 显 不 同 , 它 是 早 期 海
生 爬 行 动 物 进 化 的 一 个 比 较 原 始 而 孤 立 的
新 种 类 。 它 的 发 现 对 早 期 海 生 爬 行 动 物 进
化 多 样 性 的 认 识 具 有 十 分 重 要 的 科 学 意
义 。
2008010321
辽 宁 下 白 垩 统 义 县 组 恐 龙 类 蜥 脚 亚 目 原 始
巨 龙 牙 齿 = Basal titanosauriform (Dinosauria,
Sauropoda) teeth from the Lower Cretaceous
Yixian Formation of Liaoning Province,
China. ( 英 文 ). Barrett PM;Wang Xiao-Lin.
palaeoworld, 2007, 16(4): 265-271
The Yixian Formation of Liaoning Province,
People's Republic of China has yielded a diverse
fauna of non-avian dinosaurs, but is
dominated by small-bodied taxa. Here, we
describe a series of isolated teeth from the
Lujiatun Beds of the formation that are referable
to a basal titanosauriform sauropod.
Some of the teeth possess a distinctive circular
boss on the lingual surface, which suggests
that they are referable to cf. Euhelopus sp.
This identification provides some additional
support for biostratigraphical correlations between
the Jehol Group and the Mengyin Formation
of Shandong Province that suggest an
Early Cretaceous age for the latter unit. Moreover,
the titanosauriform affinities of the teeth
provide further evidence for the dominance of
this sauropod clade in eastern Asia during the
Cretaceous.
2008010322
根 据 中 国 下 白 垩 统 新 化 石 的 CT 扫 描 观 察
恐 龙 类 角 龙 亚 目 鹦 鹉 嘴 龙 的 内 颅 骨 的 形 态
= Endocranial morphology of psittacosaurs
(Dinosauria: Ceratopsia) based on CT scans of
new fossils from the Lower Cretaceous, China.
( 英 文 ). Zhou Chang-Fu; Gao Ke-Qin; Fox R
C; Du Xiang-Ke. palaeoworld, 2007, 16(4):
285-293
Psittacosaurs, small basal ceratopsians with
a parrot-like beak, are among the most abundant
dinosaurs, but occur only in the Early
Cretaceous of East Asia. Although the general
morphology of psittacosaurs is fairly well understood,
the endocranial anatomy of the
group has never been described. New discoveries
of well-preserved skulls from the celebrated
Liaoning beds in northeastern China
provide the material for conducting research
on psittacosaur endocranial morphology. Using
computed tomography scans of threedimensionally
preserved skulls, this study reveals
basic endocranial anatomy of psittacosaurs
and provides the first palaeoneurological
evidence of psittacosaurs in relation to their
behaviour. Although commonly believed to
have had a small brain and small eyes, psittacosaurs
had relatively high brain/body size
ratios that are comparable to those in the large
theropod Tyrannosaurus, and probably had a
keen sense of smell and acute vision, as evidenced
by their enlarged olfactory lobes and
bulbous optic lobes. The configuration of the
semicircular canals agrees with limb proportions
to suggest that psittacosaurs were agile
animals, perhaps better able to escape predation
by carnivorous dinosaurs on that account.
The behavioural adaptations implied by this
study may have been crucial for the successful
radiation of psittacosaurs during the Early
Cretaceous of East Asia.
2008010323
加 拿 大 曼 尼 托 巴 下 坎 潘 阶 Pierre 页 岩 沧 龙
一 新 种 = A new species of mosasaur (Squamata:
Mosasauridae) from the Pierre Shale
(lower Campanian) of Manitoba. ( 英 文 ).
Cuthbertson R S; Mallon J C; Campione N E;
Holmes R B. Canadian Journal of Earth Sciences,
2007, 44(5): 593-606
Plioplatecarpus nichollsae, sp. nov., from
the lower Campanian (Pembina Member, Pierre
Shale Formation) is diagnosed by the following:
a thickened ventral rim of the external
naris, a short supratemporal fenestra, a frontal
shield with well-developed posterolateral lappets
that overlap the parietal dorsally, proximal
rib shafts with an approximately circular
(but not inflated) cross section, a scapula
shaped as in other Plioplatecarpus species but
approximately the same size (not larger) than
the coracoid, and a moderately large parietal
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