30417 - Beautiful 0.23 Inch Hypagnostus parvifrons Middle Cambrian Trilobite - Utah USA Hypagnostus parvifrons The vertebrae are still preserved
Yard notes & kiln story
Description
The vertebrae are still preserved in a state of anatomical semi-articulation
Memmatella
Nice specimen of Palaeophis Magrebianus from the formation Ouled Abdoun Basin (Phosphate beds) located in Oued Zem (Morocco)
Chelyabinskaya oblast’
Ptilillaenus
30417 - Beautiful 0.23 Inch Hypagnostus parvifrons Middle Cambrian Trilobite - Utah USA Hypagnostus parvifrons The vertebrae are still preservedHypagnostus parvifrons, Linnarsson 1869 (trilobite) Trilobita Agnostida Spinagnostidae PaleoDB taxon number: 203680 Alternative combination: Agnostus parvifrons Synonyms: Hypagnostus correctus Opik 1967 (no. 230096), Hypagnostus dabashanensis Yang et al. 1993 (no. 232829) Belongs to Hypagnostus according to Jaekel 1909 See also Lu and Lin 1989, Peng and Robison 2000 and Yang et al. 1993 Sister taxa: Hypagnostus anhuiensis, Hypagnostus bilobatus,