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 ventral 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 ventral side showing its hypostome:
Comments are closed.
|
Kane Faucher
Archives
February 2024
|