Ammonite - extinct marine mollusc
0:25
YouTubePaleozoo
Ammonite - extinct marine mollusc
Ammonites are extinct marine molluscs of the class Cephalopodia that appeared midway through the Paleozoic Era (400 Mya). They typically had a ribbed spiral-form shell that encased soft body parts and a hardened beak. Ammonites had a wide dispersion and their remains have been found in large numbers around the world. To date no trace fossil has ...
已浏览 25.1万 次2018年11月3日
Ammonoidea Fossils
What is an Ammonite? (A Quick Introduction)
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What is an Ammonite? (A Quick Introduction)
YouTubeDino Fossils UK
已浏览 6.9万 次2021年11月17日
The Amazing Shapes of Ammonites
3:14
The Amazing Shapes of Ammonites
YouTubeAmerican Museum of Natural
已浏览 16.7万 次2016年6月17日
What are Ammonites and Nautiloids? A geologist explains!
14:20
What are Ammonites and Nautiloids? A geologist explains!
YouTubeGeology Johnson
已浏览 3189 次2019年10月26日
热门视频
How I Prepare Fossils - Amazing Ammonite Transformation
5:54
How I Prepare Fossils - Amazing Ammonite Transformation
YouTubeForgotten Fossils
已浏览 1.3万 次2023年11月20日
Mollusca II : Cephalopods (part 1) Ammonites
10:41
Mollusca II : Cephalopods (part 1) Ammonites
YouTubeAnthöny Pain
已浏览 3万 次2019年2月2日
Why Ammonoids Went Extinct at the End Cretaceous While Nautiloids Survived? GEO GIRL
11:43
Why Ammonoids Went Extinct at the End Cretaceous While Nautiloids Survived? GEO GIRL
YouTubeGEO GIRL
已浏览 4.8万 次2023年6月4日
Ammonoidea Evolution
Ammonites: One of the most iconic fossil animals
4:08
Ammonites: One of the most iconic fossil animals
YouTubeThundercliff93 (Thundercliff93
已浏览 514 次2024年2月23日
113 , do you know about AMMONITES let's learn and color
2:10
113 , do you know about AMMONITES let's learn and color
YouTubejumo art
已浏览 245 次2024年10月26日
Cephalopoda Ammonoidea (Ammonites) fossil specimen
0:12
Cephalopoda Ammonoidea (Ammonites) fossil specimen
YouTubeWildFilmsIndia
已浏览 1328 次2014年3月20日