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 |
Characters |
Phylum |
| (a) Pila |
(i) Body segmented |
Mollusca |
|
(ii) Mouth with radula |
|
| (b) Asterias |
(i) Spiny skinned |
Echinodermata |
|
(ii) Water vascular system |
|
| (c) Sycon |
(i) Pore bearing |
Porifera |
|
(ii) Canal system |
|
| (d) Periplaneta |
(i) Jointed appendages |
Arthropoda |
|
(ii) Chitinous exoskeleton |
|
|
|
|
