Which of the following is an oviparous animal with a four-chambered heart?

Which of the following classifications is correct?

Select the correct match for Column $X$, Column $Y$, and Column $Z$:

Column $X$	Column $Y$	Column $Z$
$(1)$ Water vascular system	$(A)$ Porifera	$(p)$ Starfish
$(2)$ Proboscis	$(B)$ Hemichordata	$(q)$ Sepia
$(3)$ Canal system	$(C)$ Mollusca	$(r)$ Hyalonema
$(4)$ Shell	$(D)$ Echinodermata	$(s)$ Balanoglossus

Statement-$I$ :- Cyclostomata do not have jaws.
Statement-$II$ :- Urochordates do not have a vertebral column.

Which of the following statements are true or false?
$(i)$ Suckers are found in liver fluke.
$(ii)$ In Arthropods,fertilization is external.
$(iii)$ Chordata is divided into $4$ subphyla.
$(iv)$ Water vascular system is present in Hemichordata.

The excretory organ found in the phylum $Arthropoda$ is: ...........