![](/img/cover-not-exists.png)
First report of Silurian crinoid columnals with tetralobate and hexalobate lumen structures
Thomka, James R., Motz, Gary J.Volume:
136
Language:
english
Journal:
GFF
DOI:
10.1080/11035897.2013.854271
Date:
January, 2014
File:
PDF, 316 KB
english, 2014