30058 - Top Rare Hatangia sp Middle Cambrian Trilobite Russia Squalicorax pristodontus Aegirocassis benmoulai foreshadows the much
Yard notes & kiln story
Description
Aegirocassis benmoulai foreshadows the much later appearance of giant filter-feeding bony fishes
The name is from the Latin cerussa
we have all of its postcranial skeleton
Environments: marine (66 collections)
They include some of the most primitive known meteorites
30058 - Top Rare Hatangia sp Middle Cambrian Trilobite Russia Squalicorax pristodontus Aegirocassis benmoulai foreshadows the much