In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?
| Genus name |
|
Two characters |
|
Class/Phylum |
| Pila |
|
(a) Body segmented
(b) Mouth with radula |
|
Mollusca |
| Genus name |
|
Two characters |
|
Class/Phylum |
| Asteria |
|
(a) Spiny Skinned
(b) Water vascular system |
|
Echinoermata |
| Genus name |
|
Two characters |
|
Class/Phylum |
| Sycon |
|
(a) Pore bearing
(b) Canal system |
|
Porifera |
| Genus name |
|
Two characters |
|
Class/Phylum |
| Periplaneta |
|
(a) Jointed appendages
(b) Chitinous exoskeleton |
|
Arthropoda |
