Phrixgnathus

Phrixgnathus spiralis, copyright Te Papa Tongarewa.

Belongs within: Punctoidea.

Phrixgnathus is a genus of very small snails with a glossy, fragile-appearing shell found in New Zealand.

Phrixgnathus Hutton 1883 P61
    |--P. (Phrixgnathus) P61
    |    |--P. (P.) celia Hutton 1883 [incl. Helix fatua non P. fatua (Pfeiffer 1857), *P. fatua] P61
    |    |    |--P. c. celia P61
    |    |    |--P. c. alboviridis (Suter 1913) P61
    |    |    `--P. c. levis (Suter 1913) P61
    |    |--P. (P.) alfredi (Suter 1909) P61
    |    |--P. (P.) ariel Hutton 1883 P61
    |    |--P. (P.) blacki Powell 1951 P61
    |    |--P. (P.) cheesemani Suter 1894 P61
    |    |--P. (P.) cognatus (Suter 1909) P61
    |    |--P. (P.) compressus (Suter 1909) P61
    |    |--P. (P.) conella (Pfeiffer 1862) P61
    |    |--P. (P.) elaiodes (Webster 1904) P61
    |    |--P. (P.) elevatus (Suter 1896) P61
    |    |--P. (P.) erigone (Gray 1850) P61
    |    |--P. (P.) fatua (Pfeiffer 1857) P61
    |    |--P. (P.) filicosta (Suter 1907) P61
    |    |--P. (P.) flemingi Dell 1950 P61
    |    |    |--P. f. flemingi P61
    |    |    `--P. f. stewartensis Dell 1954 P61
    |    |--P. (P.) forsteri Dell 1952 P61
    |    |--P. (P.) francesci (Webster 1904) P61
    |    |--P. (P.) fulguratus (Suter 1909) P61
    |    |--P. (P.) glabriusculus (Pfeiffer 1853) P61
    |    |--P. (P.) haasti Hutton 1883 P61
    |    |--P. (P.) hamiltoni (Suter 1896) P61
    |    |--P. (P.) laqueus Dell 1950 P61
    |    |--P. (P.) larochei Powell 1928 P61
    |    |--P. (P.) liratulus (Suter 1909) P61
    |    |--P. (P.) lucidus (Suter 1896) P61
    |    |--P. (P.) mariae (Gray 1843) P61
    |    |--P. (P.) marginatus Hutton 1883 P61
    |    |--P. (P.) microreticulatus (Suter 1890) P61
    |    |--P. (P.) moellendorffi (Suter 1896) P61
    |    |--P. (P.) murdochi Suter 1894 P61
    |    |--P. (P.) oconnori Powell 1941 P61
    |    |--P. (P.) phrynia Hutton 1883 P61
    |    |--P. (P.) rakiura Dell 1954 P61
    |    |    |--P. r. rakiura P61
    |    |    `--P. r. solanderi Dell 1954 P61
    |    |--P. (P.) regularis (Pfeiffer 1855) P61
    |    |--P. (P.) sciadium (Pfeiffer 1857) P61
    |    |--P. (P.) serratocostatus Webster 1906 P61
    |    |--P. (P.) spiralis (Suter 1896) P61
    |    |--P. (P.) subariel Powell 1948 P61
    |    |--P. (P.) sublucidus (Suter 1896) P61
    |    |--P. (P.) titania Hutton 1883 P61
    |    |--P. (P.) trailli (Suter 1909) P61
    |    |--P. (P.) transitans Suter 1892 P61
    |    `--P. (P.) viridulus (Suter 1909) P61
    |         |--P. v. viridulus P61
    |         `--P. v. caswelli Dell 1955 P61
    `--P. (Taguahelix Powell 1955) P61
         |--P. (T.) campbellicus (Filhol 1880) [incl. Thermia expeditionis, *Taguahelix expeditionis] P61
         |--P. (T.) antipodensis Powell 1955 P61
         |--P. (T.) delicatulus Powell 1955 P61
         `--P. (T.) hirsutus Powell 1955 P61

*Type species of generic name indicated

REFERENCES

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