|Here is a "Valongo Trilobite" of the species Eodalmanitina macrophtalma with a very long preserved tail spine. The plate shows also a small example trilobite of the rare species Prionocheilus mendax.|
The trilobite plate itself measures about 155 x 132 mm.
|Valongo - Portugal|
|Size trilobite:||about 42 & 7 mm wide|
|Age:||Middle Ordovician , Llandailo (Darriwilian) (about. 464. Ma)|