通常海膽化石的刺棘多半不容易保存下來,歐洲侏羅紀地層出土的半頭帕海膽化石刺棘保留完美,算是相當難能可貴...

法國侏羅紀 Bajocian 地層除了出土豐富的菊石,半頭帕海膽化石也頗富盛名,海膽的刺棘保留完美,而且根部也非常清楚,深受化石朋友的喜愛。

這塊產自英國侏羅紀地層的 半頭帕海膽化石 標本,除了保留刺棘,也把口面最特別的 亞里斯多提燈 ( 海膽的牙齒 ) 清理出來,請大家一同欣賞吧 !

 

 
下面是賣家給的資料


name
Acrosalenia hemicidaroides (rare double)
age Jurassic, Bathonian, Great Oolite Series
size Size of matrix 90mm x 90mm
location Cheltenham, Gloucestershire, UK
weight 262gms
   
description  

A beautifully preserved double Acrosalenia echinoid fossil from a locality which no longer exists to collect from. Discovered during the early 1970's and prepared by Andy Cowap there is a nice bit of history to go with this fossil. Approximately 165 million years old.

 

 

 


 

 



 

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