
Georissa purchasi
Georissa purchasi is a species of small land snail, a terrestrial gastropod mollusc in the family Hydrocenidae.
The type specimen is stored in the Imperial Natural History Museum, Vienna.
From the article Georissa purchasi on Wikipedia (CC BY-SA), quoted section by section
Description
The shell is minute, globosely conical, translucid, imperforate (no umbilicus. The sculpture consists of very fine growth-striae only. The colour is horny-fuscous. The epidermis is thin and shiny. The spire is conical, and rather obtuse. The protoconch is minute, strongly convex, smooth. The shell has 4-5 convex whorls. The last whorl is slightly greater than one-third of the height of the shell. The base is convex. The suture is impressed. The aperture is a little oblique, subcircular. The peristome is simple, straight. The columella is slightly concave, white. The inner lip is spread over the umbilicus, sealing it up more or less completely. The callus on the penultimate whorl unites the margins, and is conspicuous. The width of the shell is 1 mm. The height of the shell is 2 mm. The radula was described by Suter.
Range & habitat
Georissa purchasi is found in New Zealand.
North Island: Bay of Islands (Purchas, Hochstetter); Waro; Whangārei; vicinity of Auckland; Wairangi, Waikato Hunua Range; Mount Pirongia; Forty-mile Bush. South Island: Kenepuru Sound; Nelson; Wairoa Gorge; Greymouth; Riccarton Bush, near Christchurch.
Wikipedia: “Distribution”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Georissa purchasi in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 389760.