 |
 |
 |
|
|
|
 |
|
invertebrate
|
Precambrian—580 milliom yrs old |
|
Spriggina floundersi |
|
Spriggina
floundersi
|
|
cast
of segmented worm
|
|
found in
South Australia
4.8 x 3.5 cm |
 |