
Belongs within: Rissooidea.
Merelina is an Australasian genus of rissooids with a spirally lirate protoconch, clathrate teleoconch sculpture, and continuous, variced peristome with a subsutural sinus (Powell 1927).
<==Merelina Iredale 1915 [Merelinidae]BR05
|--*M. cheilostoma (Tenison-Woods 1877)P61, F27 [=Rissoa cheilostomaP61]
|--M. australiaeP27
|--M. cochleata Powell 1937P61
|--M. compacta Powell 1927P61
|--M. crassissima Powell 1937P61
|--M. crispulata Powell 1937P61
|--M. gemmata Powell 1927P61
|--M. gracilisP27
|--M. harrisonae Powell 1939P61
|--M. lyalliana (Suter 1898)P61
|--M. manawatawhia Powell 1937P61
|--M. maoriana Powell 1939P61
|--M. paupereques Powell 1937P61
|--M. pisinna (Melvill & Standen 1896) [=Alvania pisinna]P27
|--M. plaga Finlay 1927P61
|--M. superba Powell 1927P61
|--M. taupoensis Powell 1939P61
`--M. waitangiensis Powell 1933P61
*Type species of generic name indicated
References
[BR05] Bouchet, P., & J.-P. Rocroi. 2005. Classification and nomenclator of gastropod families. Malacologia 47 (1–2): 1–397.
[F27] Finlay, H. J. 1927. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.
[P27] Powell, A. W. B. 1927. The genetic relationships of Australasian rissoids. Part 1. Descriptions of new Recent genera and species from New Zealand and Kermadec Islands. Transactions and Proceedings of the New Zealand Institute 57: 534–548.
[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.