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6. Which species gives evidence for A & B morphs (sexual dimorphism)?

  • Paradoxides
  • Olenoides
  • Phacops
  • Elrathia kingi

7. What do Burgess Shale specimens show?

  • the first trilobite eggs ever found
  • Phacopid trilobites
  • Olenoides: Soft tissue preservation, including antennae and legs, spines, and gills
  • specimens are buried in mudrock and need digging out; soft tissue is preserved

8. When were trilobite eggs first found?

  • 2015
  • 2017
  • 2004
  • 1997

9. Which species gives evidence for aggregational moulting?

  • Paradoxides
  • Phacops
  • Elrathia kingi
  • Olenoides

10. Olenoides specimens are found where?

  • Hunsrock Shale
  • Burgess Shale
  • Utica Shale
  • Santana Formation