Rhytida greenwoodii greenwoodi, copyright Jacqui Geux.

Belongs within: Rhytidoidea.

Rhytida is a New Zealand genus of moderately large snails with a light brown or olive green, often wrinkled-appearing shell bearing a protoconch of 1.5 whorls.

<==Rhytida Martens 1860BR17
| i. s.: R. ferrezianaK64
| R. inaequalisK64
|--R. (Rhytida)P61
| |--*R. (R.) greenwoodii (Gray 1850) [=Helix greenwoodii]BR17
| | |--R. g. greenwoodiP61
| | `--R. g. webbi Powell 1949P61
| |--R. (R.) australis Hutton 1873P61
| |--R. (R.) citrina Hutton 1883P61
| |--R. (R.) dunniae (Gray 1840)P61
| |--R. (R.) duplicata Suter 1904P61
| | |--R. d. duplicataP61
| | `--R. d. vivens Powell 1946P61
| |--R. (R.) forsythi Powell 1952P61
| |--R. (R.) hadfieldi Powell 1949P61
| |--R. (R.) meesoni Suter 1891P61
| | |--R. m. meesoniP61
| | `--R. m. perampla Powell 1946P61
| |--R. (R.) oconnori Powell 1946P61
| |--R. (R.) otagoensis Powell 1930P61
| |--R. (R.) patula Hutton 1883P61
| |--R. (R.) pycrofti Powell 1932P61
| |--R. (R.) spelaea Powell 1933P61
| |--R. (R.) stephenensis Powell 1930P61
| |--R. (R.) tarangaensis Powell 1930P61
| `--R. (R.) yaldwyni Dell 1955P61
`--R. (Rhytidarex Powell 1948)P61
|--R. (*R.) johnsoni Powell 1948P61
`--R. (R.) buddlei Powell 1948P61

*Type species of generic name indicated


[BR17] Bouchet, P., J.-P. Rocroi, B. Hausdorf, A. Kaim, Y. Kano, A. Nützel, P. Parkhaev, M. Schrödl & E. E. Strong. 2017. Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia 61 (1–2): 1–526.

[K64] Krauss, N. L. H. 1964. Investigations on biological control of giant African (Achatina fulica) and other land snails. Nautilus 78 (1): 21–27.

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

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