|
Psephosthenaspis glabrior
|
|
|
Adrain, Jonathan M., 2012, The Lower Ordovician (upper Floian) bathyurid trilobite Aponileus Hu, with species from Utah, Texas, and Greenland 3293, Zootaxa 3293 (1), pp. 1-67
: 25-27
|
25-27 |
|
Psephosthenaspis glabrior
|
|
|
Adrain, Jonathan M. & Karim, Talia S., 2012, 3467, Zootaxa 3467, pp. 1-97
: 6-7
|
6-7 |
|
Psephosthenaspis glabrior
|
|
|
Adrain, Jonathan M. & Karim, Talia S., 2012, 3467, Zootaxa 3467, pp. 1-97
: 7
|
7 |
