在白纪晚期的海洋中发现的类浮游鱼
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在PubMed上查看摘要
概括
此摘要是机器生成的。墨西哥的一种已灭绝的鱼, 这一发现揭示了古代鱼在现代鱼之前的食和飞行的融合进化.
科学领域
- 古生物学
- 海洋生物学
- 进化生物学
背景情况
- 已灭绝的弹性树枝的生态形态多样性仍然不完全理解.
- 很少有化石证据显示古代鱼有特殊的食和运动方式.
研究的目的
- 描述一个新的灭绝的鱼属和物种,
- 调查其独特的体型规划的生态形态和进化影响.
主要方法
- 来自墨西哥晚白纪早期矿床的化石遗迹的描述.
- 遗传学分析初步将Aquilolamna归类为类动物.
- 与现存和灭绝的海洋脊椎动物进行比较生态形态分析.
主要成果
- 发现了一种可能是浮游动物的鱼,
- 标识了一种代表鱼在水下飞行的早期实验的新型身体图.
- 在远距离相关的过的弹性枝条中发现了类似翅膀的独立进化证据.
结论
- Aquilolamna milarcae代表了一个新的家族,Aquilolamnidae,具有水族的生态形态.
- 类似翅膀的胸在鱼和鱼中独立进化,表明了趋同的进化.
- 这种古老的鱼可能占据了与现代的鱼和鱼相似的生态.
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