User:Abyssal/Portal:Silurian/DYK/1


 * ... that a fossil of the extinct sea scorpion Eurypterus (restoration pictured) was once thought to be a catfish?
 * ... that the Paleozoic monoplacophoran Pilina unguis was twice as large as any known living monoplacophoran?
 * ... that the extinct trilobite Bumastus (artist's rendition pictured) was named after its resemblance to large grapes?
 * ...that Ornatifilum is likely to be the oldest known fossil fungus?
 * ...that the Silurian Lau extinction event caused the Earth to temporarily return to a condition similar to how it was before multicellular life evolved?