Rahman, Imran Alexander and Zamora, Samuel and Geyer, Gerd. 2010. The oldest stylophoran echinoderm: a new Ceratocystis from the Middle Cambrian of Germany. Paläontologische Zeitschrift 84. 227–237.
@article{jacquesestimative-rahman10ceratocystis,
author = {Rahman, Imran Alexander and Zamora, Samuel and Geyer, Gerd},
journal = {Paläontologische Zeitschrift},
pages = {227–237},
title = {The oldest stylophoran echinoderm: a new Ceratocystis from the Middle Cambrian of Germany},
volume = {84},
year = {2010}
}