Today I received a few packages in the mail, including one Czech trilobite and five Russian ones.
Here, four asaphids and a corynexochid are gathered around a trio of ptychoparids. A reflective moment for these Ordovician trilobites with the much older Cambrian trio in the centre.
This is Ellipsocephalus hoffi from Jince in the Czech Republic, Cambrian in age. This is a nice assemblage. These are what are known as blind trilobites as, well, they have no eyes!
Illaenus sp. (?oblongata), a Russian corynexochid from the Ordovician.
Readers of this blog might recall when I was preparing an Asaphus lepidurus not long ago. This is what a full, professionally prepped one looks like.
Here is the same specimen on its dorsal side, showing off a very nice hypostome!
This is definitely "wide-load" - Asaphus latus. Almost as wide as it is long.
The aptly named Delphasaphus delphinus fully prone and looking a bit like a dolphin... if a dolphin were a segmented arthropod from over 400 million years ago.
This is the biggest of today's acquisitions at over 76 mm: Asaphus holmi. Below is the dorsal side showing its hypostome: