Zediloma digna, copyright Auckland War Memorial Museum.

Belongs within: Trochidae.

Zediloma is a New Zealand genus of trochids with a subglobose to conical, spirally sculpted shell.

Zediloma Finlay 1927 P61
    |–Z. (Zediloma) P61
    |    |–*Z. (Z.) digna Finlay 1927 P61
    |    `–Z. (Z.) arida Finlay 1927 P61 [=Diloma arida HS01]
    `–Z. (Fractarmilla Finlay 1927) P61
         |–Z. (*F.) corrosa (Adams 1853) P61 (see below for synonymy)
         |    |–Z. c. corrosa P61
         |    `–Z. c. zebrina Powell 1946 P61
         |–Z. (F.) atrovirens (Philippi 1851) P61 [=Monodonta atrovirens F27, Diloma atrovirens CH97]
         |–Z. (F.) morio (Troschel 1851) [=Monodonta morio] F27
         |–‘Monodonta’ rudis [incl. M. melanoloma] F27
         |–‘Monodonta’ striolata [incl. M. concamerata] F27
         `–Z. (F.) subrostrata (Gray 1835) P61 [=Monodonta subrostrata F27, Diloma subrostrata HS01]

Zediloma (*Fractarmilla) corrosa (Adams 1853) P61 [=Labio corrosa P61, Diloma (*Fractarmilla) corrosa KC60, Monodonta corrosa F27; incl. Zediloma plumbea Hutton 1883 P61]

*Type species of generic name indicated


[CH97] Castro, P., & M. E. Huber. 1997. Marine Biology 2nd ed. WCB McGraw-Hill: Boston.

[F27] Finlay, H. J. 1927. A further commentary on New Zealand molluscan systematics. Transactions and Proceedings of the New Zealand Institute 57: 320–485.

[HS01] Hayward, B. W., A. B. Stephenson, M. S. Morley, W. M. Blom, H. R. Grenfell, F. J. Brook, J. L. Riley, F. Thompson & J. J. Hayward. 2001. Marine biota of Parengarenga Harbour, Northland, New Zealand. Records of the Auckland Museum 37: 45–80.

[KC60] Knight, J. B., L. R. Cox, A. M. Keen, R. L. Batten, E. L. Yochelson & R. Robertson. 1960. Gastropoda: systematic descriptions. In: Moore, R. C. (ed.) Treatise on Invertebrate Paleontology pt I. Mollusca 1: Mollusca—General Features, Scaphopoda, Amphineura, Monoplacophora, Gastropoda—General Features, Archaeogastropoda and some (mainly Paleozoic) Caenogastropoda and Opisthobranchia pp. I169–I331. Geological Society of America, and University of Kansas Press.

[P61] Powell, A. W. B. 1961. Shells of New Zealand: An illustrated handbook 4th ed. Whitcombe and Tombs Limited: Christchurch.

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