-
Undescribed polychaete
The creature has two antennaes with lots of setae. Family,Order,Genus remain unknown. The first picture is overlapped of positive and negative side.
Beecher's Trilobite Bed 2022 460 Mya oldywang21
-
Undescribed frontal appendages of Caryosyntrips sp.
Caryosyntrips ("nutcracker") is an extinct genus of radiodont which existed in Canada and the United States during the middle Cambrian. Caryosyntrips is known only from a handful of 14-segmented frontal appendages, which resemble nutcrackers, recovered from the Burgess Shale Formation. It was first named by Allison C. Daley, Graham E. Budd in 2010 and the type species is Caryosyntrips serratus. The specimen showing here is probably the first Ordovician Caryosyntrips ever found globally.
Beecher's Trilobite Bed 2019 460 Mya oldywang21
-
Undescribed vachonisiids
An possible acercostracan marrellomorph from the Ordovician Beecher’s Trilobite. Similar features are also found in Xylokorys chledophilia from the Silurian of England, and Vachonisia rogeri from the Devonian of Germany, indicating acercostracan affinities for this new species. This taxon is characterised by the possession of a cordiform dorsal carapace with at least two pairs of marginal spines that covering the posterior body. The head comprises two stalked eyes. The trunk possesses more than 25 pairs of delicate, almost filamentous appendages.
Beecher's Trilobite Bed 2019 460 Mya oldywang21
-
Undescribed Marrellid Marrellomorph
A very enigmatic marrellid arthropod that discovered from the BTB site. The overall exoskeleton shape looks quite similar to Furca bohemica from Letna Fm and Furca sp. from Fezouata Fm. Unfortunately there are no more soft-tissues preserved in this fossil.
Beecher's Trilobite Bed 2020 460 Mya oldywang21
-
Undescribed frontal appendage
This is a very rare frontal appendage from an unknown arthropod. It might belongs to a great-appendage one or a radiodontant.
Beecher's Trilobite Bed 2019 460 Mya oldywang21