Dendropoma squamiferum Ponder, 1967 Diameter 10mm Marine, Native - Endemic Northland east coast. Attached to rocks A |
Novastoa lamellosa (Hutton, 1873) Diameter 6mm Marine, Native - Endemic North Island and Chatham Islands ACM |
Thylacodes aotearoicus Morton, 1951 Marine, Native - Endemic, Darker colour than Thylacodes zelandicus North Island A |
Thylacodes zelandicus (Quoy & Gaimard, 1834) Diameter 10mm Marine, Native - Endemic North and South Islands, often on Atrina shells A |