indeynz's Identifications
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grahameΠεριγραφή
Freshwater snail.
Quite a few of these living in a stock water trough.
They were clustered in groups around the water line.
Haven't seen these at Travis before.
Around 10mm long.
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tangatawhenuaΤόπος
Scotts Point, Northern end of Ninety Mile Beach, Oneroa a Tohe, Northland, New Zealand (Google, OSM)Περιγραφή
I think this tiny shell is a diloma. That is a mussel shell that it is cruising on.
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memopobΗμερομηνία
Φεβρουάριος 28, 2016Περιγραφή
Was Zediloma atrovirens [Philippi] a common tidal zone shell where rocks are present. Listed AWB Powell, Shells of New Zealand, Plate 8 #11.
Can't be found in WoRMS or NZ Mollusca by either Genus or specific epithet. Mystified as to why it isn't in WoRMS at least as an antiquated name. Appears Suter p. 117 [= morio Suter non Troschel, 1851]
WoRMS lacks D. morio.
NB Close examination shows hole exposing umbilicus is damage. Please ignore this feature.
Some distinguishing features. Blue, freckled, apex turns through two distinct pitches [common in Diloma sp].
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invertebratistΠεριγραφή
In beach drift in gravel and shell fragments at low tide. First one of this species for me...! Very fresh, possibly washed up because of the Tsunami. Found when I was digging the gravel to find some shells. Very rare to see them in Auckland. There are also some records of this species in Rodney, mainly by diving.
I will upload a photo of this specimen later.
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tangatawhenuaΠεριγραφή
I think.
Under a rock in the mid intertidal zone.
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raewynaΠεριγραφή
S. labiata because of overall shape, colour at apex, white spots and teeth on the outer lip.
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raewynaΠεριγραφή
It has several features of Monoplex parthenopeus but I've never seen one this colour before. Is it a colour variation (maybe from being water-worn) or is it a different species?
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invertebratistΠεριγραφή
In beach drift in gravel and shell fragments at low tide. First one of this species for me...! Very fresh, possibly washed up because of the Tsunami. Found when I was digging the gravel to find some shells. Very rare to see them in Auckland. There are also some records of this species in Rodney, mainly by diving.
I will upload a photo of this specimen later.
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lisa_bennettΠεριγραφή
Only a couple of these very delicate shells found washed up with many tiny shells
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