Source / 来源: 讲解手册/珍奇柜-活化石展签五审_0923.pdf
Page / 页码: 40
Material / 材料类型: scientific_label
Text extraction / 提取方式: native

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Latimeria
Classification: Vertebrata Sarcopterygii Actinistia
Age: Recent
Status: Fluid-preserved specimen
The Only Living Representative of Coelacanths
Latimeria is the only surviving representative of coelacanths, 
a group of lobe-finned fishes, with one living genus and two 
extant species. In 1938, a living coelacanth was discovered for 
the first time off the east coast of Africa. Before this discovery, 
coelacanths were thought to have become extinct at the end 
of the Cretaceous, and this finding transformed our 
understanding of their evolutionary history. Latimeria retains 
many morphological features similar to those of ancient 
coelacanth fossils, including fleshy paired fins and distinctive 
body structures, and is therefore often referred to as a “living 
fossil.” It provides important insights into the evolution of 
lobe-finned fishes and morphological changes associated 
with the transition from fishes to tetrapods.
拉蒂迈鱼
分类：脊椎动物 肉鳍鱼类 空棘鱼类
时代：现生
属性：浸制标本
空棘鱼类唯一现生代表
拉蒂迈鱼是空棘鱼类目前唯一存活至今
的代表，属于肉鳍鱼类，现存一属两种 。
1938年，科学家在非洲东海岸首次发现活
体拉蒂迈鱼，此前人们曾认为空棘鱼类已
在白垩纪末灭绝，这一发现改变了对该类
群演化历史的认识。拉蒂迈鱼保留了许多
与古代空棘鱼类化石相似的形态特征，例
如肉质偶鳍和特殊的身体结构，因此常被
称为“活化石”。它为研究肉鳍鱼类演化以
及鱼类向四足动物演化前后的形态变化提
供了重要线索。