Page 27 - Land Snails of New Mexico

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Shellrelativelysmooth,larger(14-20mm wide);subspeciesoftheSacramentoMountains ************************************************************************ Ashmunellarhyssarhyssa(p.54)
Shellribbed,smaller(12-17mm wide);subspeciesoftheSierraBlancaMountainsandNogalPeakarea ********************************************************************** Ashmunellarhyssaaltissima(p.54)
Shellcarinate(keeled),spiremoderatelylow,butevident,withsingleparietaltooth ....Ashmunellacarlsbadensis(p.54)
Body whorl shoulder angular, shell not carinate, spire very low, almost nonexistent, with two simple,
unconnected parietal teeth. ........................................... Ashmunella amblya cornudasensis (p. 55)
SpeciesofSouthernNewMexicobetweentheRioGrandeValleyandTularosaBasin
Shell heavily ribbed ..........................................................Ashmunella salinasensis (p. 55)
Shellnotheavilyribbed ...............................................................................2
Parietalteethfusedintoasquare-shapedplaquethatoccupiesmostoftheparietalwall Ashmunellapasonispasonis(p.56)
Parietalteethnotformingaplaqueonparietalwall ..........................................................3
SpeciesoftheSanAndresandCaballoMountains ..........................................................4
SpeciesoftheOrganMountains .........................................................................7
Shell tan, very glossy, sharply angularat about 2/3 height of body whorl; with shell smoothly curved,
above and below angularity, to give lens-like profile, umbilicus relatively narrow, contained over 4 times
in shell width, a species of Goat Mountain area, southern San Andres Mountains ............. Ashmunella harrisi (p. 55)
Shell light tan, glossy, angular only at shoulder of body whorl; both bottom and top of shell flattened, withveryshortspire,umbilicusrelativelybroad,containedlessthan4timesinshellwidth..........Ashmunellakochii 5
Subspecies of the Caballo Mountains ......................................Ashmunella kochii caballoensis (p. 55)
SubspeciesoftheSanAndresMountains.......................................................* * * * * * * * * * * 6
Shell18.5mm ormoreinwidth;upperparietaltoothrudimentaryorabsent ...........Ashmunellakochiikochii(p.55)
Shell<18.5mm inwidth,anupperparietaltoothpresentandwelldeveloped ---------------------------*****************************--------- Ashmunellakochiisanandresensis(p.55)
Shelldarkbrown withroughsurface,almostcarinateperipherally,single,strong,sinuousparietaltooth
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Ashmunellatodseni(p.56)
Body whorlnotapproachingcarinatecondition,butonlyangularorrounded,notdarkbrown nor withsinuousparietaltooth .............................................................................8
Shell moderately elevated and body whorl rounded, parietal and outer lip teeth rudimentary or absent
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Ashmunellaorganensis(p.56)
Shell depressed, low spire, body whorl shoulder angular, well-developed palatal, two basal, and lower andupperparietalteeth,whicharejoinedtotherightinsomeshells ....................Ashmunella auriculata(p.56)
SpeciesofSouthernNewMexico,WestoftheRioGrandeValley
SpeciesoftheSanMateoorMogollonMountainsorBlackRange .............................................2
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SpeciesofisolatedrangesofsouthwesternNew MexicoinLuna,andinsouthernHidalgoandDoñaAnaCounties.......6
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