Connecting link between annelids and molluscs is
Neopilina
Peripatus
Periplaneta
Limulus
A.
Neopilina
Neopilina (mollusc) is considered as a connecting link between Annelida and Mollusca.
Moulting hormone is secreted by
corpora cardacum
corpora allata
neurosecretory hormone
prothoracic gland