Which one of the following phyla is correctly matched with

Which one of the following phyla is correctly matched with its two general characteristics?

1. Arthropoda - Body divided into head, thorax and abdomen and respiration by tracheae
2. Chordata - Notochord at some stage and separate anal and urinary openings to the outside
3. Echinodermata - Pentamerous radial symmetry and mostly internal fertilization
4. Mollusca - Normally oviparous and development through a trochophore or veliger larva

Mollusca mostly oviparous and a few viviparous. The development may be direct or indirect with trochophore, velliger and glochidium.