BERNHARD Hausdorf
BERNHARD Hausdorf
Twelve species of introduced land molluscs, including seven slug species, have been found in the cold zone above 2000 m altitude in the Departamentos Cundinamarca and Boyacá, and the Distrito Especial in Colombia. The introduced land mollu...
COMPARATIVE SPERM ULTRASTRUCTURE OF BAIKALIAN ENDEMIC PROSOBRANCH GASTROPODS [0.03%]
巴尔喀shal特有柄眼螺类的精子超微结构比较研究
PETER Ropstorf,JOHN M. Healy,FRANK Riedel et al.
PETER Ropstorf et al.
Mature euspermatozoan ultrastructure is described for seven species of the rissooidean family Baicaliidae (endemic to Lake Baikal, Russia)-Liobaicalia stiedae, Teratobaikalia ciliata, T. macrostoma, Baicalia carinata, Pseudobaikalia pulla, ...
COMPARISON OF BIOCHEMICAL COMPOSITION AND DEVELOPMENTAL MODE IN TWO POPULATIONS OF COSTASIELLA [OPISTHOBRANCHIA: ASCOGLOSSA (= SACOGLOSSA)] [0.03%]
_COSTASIELLA_[头盘目]两种种群的生化组成及发育模式比较研究
CECELIA M. Miles,KERRY B. Clark
CECELIA M. Miles
Egg masses of two populations of the ascoglossan Costasiella with different developmental modes were examined. Costasiella ocellifera is an encapsulated developer; Costasiella sp. has an obligate plankto-trophic larval stage. Adults of the ...
MICROANATOMY, ULTRASTRUCTURE, AND SYSTEMATIC SIGNIFICANCE OF THE EXCRETORY SYSTEM AND MANTLE CAVITY OF AN ACOCHLIDIAN GASTROPOD (OPISTHOBRANCHIA) [0.03%]
腹足纲内褶贝类一新种排泄系统及外套腔的微解剖、超微结构及其分类意义
A. Fahrner,G. Haszprunar
A. Fahrner
The microanatomy and ultrastructure of the excretory system of an undescribed mesopsammic gastropod of the genus Hedylopsis have been examined by means of semithin serial sections, reconstructions, and transmission electron microscopy. The ...
A deep water patellogastropod from oligocene water-logged wood of Washington State, USA (Acmaeoidea: Pectinodonta) [0.03%]
美国华盛顿州渐新世木头中的深水鲍螺类（腹足纲新月藻目）
D R Lindberg,C Hedegaard
D R Lindberg
Late Oligocene concretions from the shores of the Strait of Juan de Fuca, Washington State, USA contain limpets that represent the earliest record of the taxon Pectinodonta. Assignment of these specimens to this taxon is based on scanning e...