tlawson's Favorites
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Yläheimo HelicoideaHavainnoija
chloe_and_trevorKuvaus
Carbonate rock crevices. Tons of them.
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chloe_and_trevorKuvaus
Tuolumne limestone complex - missed in first pass.
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Suku MonadeniaHavainnoija
chloe_and_trevorKuvaus
Base of huge W-facing metamorphic cliff with lots of slabs / talus at base.
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Suku MonadeniaHavainnoija
chloe_and_trevorPaikka
Kings Canyon/sequoia, Sequoia National Park, Sequoia and Kings Canyon National Parks, Tulare, California, United States (Google, OSM)
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Havainnoija
anudibranchmomPaikka
YksityinenKuvaus
On private property. Four beautiful large ones, some possible mating behavior.
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Eremarionta argusHavainnoija
sheriff_woody_pctKuvaus
Gotta be something cool. Land snail at base of tall limestone cliffs which provide a cooler, shadier microclimate. Deep cracks around they could hide in. Looks like Sonorelix borregoensis, but a good deal smaller in size. So I’m guessing the same genus.
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Havainnoija
leptoniaPaikka
Channel Islands National Park, Channel Islands, Santa Barbara County, UCNRS, US-CA, US (Google, OSM)
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Suku HelminthoglyptaHavainnoija
tlawsonKuvaus
Purchased from an old collection. Data slip indicated they were collected among vegetation in field along Hwy. 58 near Tehachapi, Kern County, CA.
Shells have incised sculpture indicative of the Charodotes subgenus. Both shells are relatively small 20 and 22mm.
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Havainnoija
tlawsonKuvaus
Empty shells observed between granite boulders on rocky slopes. @cedric_lee @davegoodward I didn’t want to disturb the habitat by moving rocks but based on the empty shells observed in just 10 minutes looking between boulders I’d say this isolated hill supports a healthy colony!
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anudibranchmomKuvaus
Prettiest one of the day, found under plastic kiddie pool discarded in a culvert. :-) Or Bigtree Shoulderband Snail (Helminthoglypta napaea)? I cannot distinguish these @tlawson!
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Micrarionta feralisHavainnoija
william_hoyerKuvaus
In a rotting Leptosyne stem.
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tlawsonKuvaus
Bandless form of Helminthoglypta contracostae
These empty shells were found among dead or dormant dill plants at Point Isabel.
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tlawsonKuvaus
I believe these are Helminthoglypta salviae mina based on their diminutive size and flattened spire. Shells range between 15 - 17 mm. I’m just unsure if the species is found this far east of the type locality.
@cedric_lee @davegoodward Could any of you confirm the identity?
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tlawsonKuvaus
Empty shells exposed on loose talus slopes. Habitat photo included.
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tlawsonKuvaus
Helminthoglypta simians Hanna & Smith, 1937
Off Hwy 41 Near Cottonwood Pass, Kern Co., California. This species is in the subgenus Charodotes.
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Monadenia chaceanaHavainnoija
drivers-pankratzPaikka
YksityinenKuvaus
drp2018-22, mature. Along path on rock
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davegoodwardKuvaus
Three shells deep in talus within 5 feet of each other. The one on the right in photo 3 is very flat, while the one on the left has a high spire. That's a lot of variation in one local population. I doubt if there is more than one species there.
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finaticKuvaus
Riverside County, California, US
The spire is reduced on this shell compared to what I think of as Sonorelix rixfordi (the only Helminthoglyptidae that I see as being in this mountain range. It looks more like Eremarionta morongoana which is present one mountain range away.
Found exposed in a rocky wash.
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finaticKuvaus
BioBlitz organized by the Natural History Club at San Diego State University
Santa Margarita Ecological Reserve
Riverside County, California, US
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Cahuillus indioensisHavainnoija
jameshinsonKuvaus
I believe they were exchanging eggs and sperm.
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Suku EremariontaHavainnoija
davegoodwardKuvaus
Might be Eremarionta morongoana or close to it. Found in a transition area between morongoana and rowelli. Similar shells were just south of Chiriaco Summit.
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Monadenia churchiHavainnoija
p_herreraKuvaus
Large live land snail ~18mm. In granitic soil in blue oak woodland.
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p_herreraKuvaus
Found shell among burned brush in rocky soils on private land within 2 miles of Shasta Lake, Shasta County, California.
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rjadams55Kuvaus
I found this snail in Tuolomne County on the trail to the South Grove sequoias at 4650 ft elevation. The habitat was mature pine forest with a scattering of large Big Leaf Maples.
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tknKuvaus
Seen along the Stanislaus River (picnic area) in Big Trees State park in wet, rotted wood.
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jaspurrrKuvaus
I’ve been seeing a lot of these snails under logs but I don’t know what they are.
