extinct marine organism
C57294
concept
An extinct marine organism is a once-living sea-dwelling life form that no longer exists today, known only through fossils or historical records.
Observed surface forms (3)
- Cambrian animal ×2
- Cambrian invertebrate ×1
- extinct marine reptile ×1
Instances (5)
- Archaeocyatha
- Odontogriphus via concept surface "Cambrian invertebrate"
- Nectocaris via concept surface "Cambrian animal"
- Vetulicolia via concept surface "Cambrian animal"
- Mosasaurus via concept surface "extinct marine reptile"