       |
|||||||||||
| Click on the image which your specimen most closely resembles. | |||||||||||
 |
 |
||||||||||
| Postlateral
spines (ps) less than ½ the body length and straight |
Postlateral
spines (ps) more than ½ the body length and bowed |
||||||||||
| Taxonomy | |||||||||||
|
|||||||||||